File name:

Net-Worm.Win32.Blaster.A

Full analysis: https://app.any.run/tasks/e66d09fc-4777-494a-b564-ad35de948682
Verdict: Malicious activity
Analysis date: February 04, 2024, 15:58:40
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5:

5AE700C1DFFB00CEF492844A4DB6CD69

SHA1:

BED8E439F28A1A0D3876366CBD76A43CDCCF60FA

SHA256:

258F82166D20C68497A66D82349FC81899FDE8FE8C1CC66E59F739A9EA2C95A9

SSDEEP:

192:Z3AnYJq6/eKxjEMfMVj78aCFE4uF2X+xYQPx4bQ5I:ZQnYJJ/RhMV/1yEIdQW85I

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Drops the executable file immediately after the start

      • Net-Worm.Win32.Blaster.A.exe (PID: 268)

  • SUSPICIOUS

    • Reads the Internet Settings

      • Net-Worm.Win32.Blaster.A.exe (PID: 268)

    • Connects to unusual port

      • Net-Worm.Win32.Blaster.A.exe (PID: 268)

  • INFO

    • Checks proxy server information

      • Net-Worm.Win32.Blaster.A.exe (PID: 268)

    • Reads the computer name

      • Net-Worm.Win32.Blaster.A.exe (PID: 268)

    • Checks supported languages

      • Net-Worm.Win32.Blaster.A.exe (PID: 268)

    • Manual execution by a user

      • explorer.exe (PID: 2944)
      • chrome.exe (PID: 3440)

    • Application launched itself

      • chrome.exe (PID: 3440)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | UPX compressed Win32 Executable (39.3)
.exe | Win32 EXE Yoda's Crypter (38.6)
.dll | Win32 Dynamic Link Library (generic) (9.5)
.exe | Win32 Executable (generic) (6.5)
.exe | Generic Win/DOS Executable (2.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2003:08:11 13:21:14+02:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
PEType: PE32
LinkerVersion: 2.55
CodeSize: 8192
InitializedDataSize: 4096
UninitializedDataSize: 20480
EntryPoint: 0x71f0
OSVersion: 1
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
50
Monitored processes
15
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start net-worm.win32.blaster.a.exe explorer.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
268"C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Blaster.A.exe" C:\Users\admin\AppData\Local\Temp\Net-Worm.Win32.Blaster.A.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\net-worm.win32.blaster.a.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crtdll.dll
c:\windows\system32\wininet.dll
2848"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --disable-quic --mojo-platform-channel-handle=3472 --field-trial-handle=1192,i,15853659266844095983,4775765172458295631,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
2852"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --disable-quic --mojo-platform-channel-handle=3356 --field-trial-handle=1192,i,15853659266844095983,4775765172458295631,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:8C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
2912"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2140 --field-trial-handle=1192,i,15853659266844095983,4775765172458295631,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
2916"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2108 --field-trial-handle=1192,i,15853659266844095983,4775765172458295631,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
2944"C:\Windows\explorer.exe" C:\Windows\explorer.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
3320"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1156 --field-trial-handle=1192,i,15853659266844095983,4775765172458295631,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
3432"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win32 --annotation=prod=Chrome --annotation=ver=109.0.5414.120 --initial-client-data=0xc8,0xcc,0xd0,0x9c,0xd4,0x6d5b8b38,0x6d5b8b48,0x6d5b8b54C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
3440"C:\Program Files\Google\Chrome\Application\chrome.exe" "--disable-features=OptimizationGuideModelDownloading,OptimizationHintsFetching,OptimizationTargetPrediction,OptimizationHints"C:\Program Files\Google\Chrome\Application\chrome.exe
explorer.exe
User:
admin
Company:
Google LLC
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
3652"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1296 --field-trial-handle=1192,i,15853659266844095983,4775765172458295631,131072 --disable-features=OptimizationGuideModelDownloading,OptimizationHints,OptimizationHintsFetching,OptimizationTargetPrediction /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exe—chrome.exe
User:
admin
Company:
Google LLC
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
109.0.5414.120
Modules
Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\google\chrome\application\109.0.5414.120\chrome_elf.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
Total events
2 737
Read events
2 698
Write events
39
Delete events
0

Modification events

(PID) Process:(268) Net-Worm.Win32.Blaster.A.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(268) Net-Worm.Win32.Blaster.A.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000005B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A8016B000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3440) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(3440) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(3440) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\ThirdParty
Operation:writeName:StatusCodes
Value:
01000000
(PID) Process:(3440) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(3440) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96}
Operation:writeName:dr
Value:
1
(PID) Process:(3440) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome\StabilityMetrics
Operation:writeName:user_experience_metrics.stability.exited_cleanly
Value:
1
(PID) Process:(3440) chrome.exeKey:HKEY_CURRENT_USER\Software\Google\Chrome
Operation:writeName:UsageStatsInSample
Value:
0
(PID) Process:(3440) chrome.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientStateMedium\{8A69D345-D564-463C-AFF1-A69D9E530F96}
Operation:writeName:usagestats
Value:
0
Executable files
0
Suspicious files
28
Text files
19
Unknown types
0

Dropped files

PID
Process
Filename
Type
3440chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\commerce_subscription_db\LOG.old~RF1a008e.TMP —
MD5:—
SHA256:—
3440chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\commerce_subscription_db\LOG.old —
MD5:—
SHA256:—
3440chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.datbinary
MD5:9C016064A1F864C8140915D77CF3389A
SHA256:0E7265D4A8C16223538EDD8CD620B8820611C74538E420A88E333BE7F62AC787
3440chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\coupon_db\LOG.old~RF1a02a1.TMP —
MD5:—
SHA256:—
3440chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\coupon_db\LOG.old —
MD5:—
SHA256:—
3440chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\LOG.oldtext
MD5:ECD3386BCC950E73B86EB128A5F57622
SHA256:C9A068EAFBC587EDFC89392F64DDD350EEB96C5CF195CDB030BAB8F6DD33833B
3440chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\a3f393d0-9307-4278-a539-1248d738ad5f.tmpbinary
MD5:5058F1AF8388633F609CADB75A75DC9D
SHA256:—
3440chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.old~RF1a008e.TMPtext
MD5:05CF4C3C5148DA6355D3561A9EAA5E8A
SHA256:8D720243F6876898E4F197C8867C4CEE69F1C7335C55B8A29C120B1028D93E41
3440chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\LOG.oldtext
MD5:358570F689377CE6838812643E03734B
SHA256:5B41FCC2E1A843AEAB9437B06E27B798870FF10D86A51B163BF48862BCD32590
3440chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Variationsbinary
MD5:961E3604F228B0D10541EBF921500C86
SHA256:F7B24F2EB3D5EB0550527490395D2F61C3D2FE74BB9CB345197DAD81B58B5FED
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3 334
DNS requests
14
Threats
5

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
268
Net-Worm.Win32.Blaster.A.exe
192.168.85.1:135
—
—
—
unknown
268
Net-Worm.Win32.Blaster.A.exe
192.168.85.2:135
—
—
—
unknown
268
Net-Worm.Win32.Blaster.A.exe
192.168.85.3:135
—
—
—
unknown
268
Net-Worm.Win32.Blaster.A.exe
192.168.85.4:135
—
—
—
unknown
268
Net-Worm.Win32.Blaster.A.exe
192.168.85.5:135
—
—
—
unknown
268
Net-Worm.Win32.Blaster.A.exe
192.168.85.6:135
—
—
—
unknown
268
Net-Worm.Win32.Blaster.A.exe
192.168.85.7:135
—
—
—
unknown
268
Net-Worm.Win32.Blaster.A.exe
192.168.85.8:135
—
—
—
unknown

DNS requests

Domain
IP
Reputation
clientservices.googleapis.com
  • 142.250.186.131
whitelisted
accounts.google.com
  • 64.233.166.84
shared
www.google.com
  • 142.250.184.196
whitelisted
www.gstatic.com
  • 142.250.185.67
whitelisted
apis.google.com
  • 142.250.185.110
whitelisted
update.googleapis.com
  • 142.250.184.227
whitelisted
www.googleapis.com
  • 142.250.186.74
  • 142.250.181.234
  • 142.250.185.202
  • 142.250.184.202
  • 172.217.16.138
  • 172.217.18.10
  • 142.250.186.42
  • 172.217.16.202
  • 142.250.184.234
  • 142.250.185.170
  • 142.250.186.138
  • 142.250.185.106
  • 142.250.186.170
  • 142.250.185.138
  • 142.250.185.234
  • 142.250.186.106
whitelisted

Threats

PID
Process
Class
Message
268
Net-Worm.Win32.Blaster.A.exe
Misc activity
ET SCAN Behavioral Unusual Port 135 traffic Potential Scan or Infection
268
Net-Worm.Win32.Blaster.A.exe
Misc activity
ET SCAN Behavioral Unusual Port 135 traffic Potential Scan or Infection
268
Net-Worm.Win32.Blaster.A.exe
Misc activity
ET SCAN Behavioral Unusual Port 135 traffic Potential Scan or Infection
268
Net-Worm.Win32.Blaster.A.exe
Misc activity
ET SCAN Behavioral Unusual Port 135 traffic Potential Scan or Infection
268
Net-Worm.Win32.Blaster.A.exe
Misc activity
ET SCAN Behavioral Unusual Port 135 traffic Potential Scan or Infection
No debug info
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Reports
Net-Worm.Win32.Blaster.A