File name:

usf.exe

Full analysis: https://app.any.run/tasks/1a7f72c0-2303-4a73-8857-f8581d504a42
Verdict: Malicious activity
Analysis date: January 15, 2024, 14:10:05
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
MD5:

311D64E4892F75019EE257B8377C723E

SHA1:

694C1C80280A031095CC2FA567526E88FD800BF4

SHA256:

168E625C7EB51720F5CE1922AEC6AD316B3AACA838BD864EE2BCDBD9B66171D0

SSDEEP:

49152:j6OV5mDYOgJXTr/xvsFZIUjHu0UaZHIIxB3zfEJUqi5:jV5mrgJX3xvkXi9aZRKc

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

      • usf.exe (PID: 2036)

  • SUSPICIOUS

    • Reads the Internet Settings

      • usf.exe (PID: 2036)
      • rundll32.exe (PID: 2416)

    • Uses RUNDLL32.EXE to load library

      • usf.exe (PID: 2036)

    • Connects to unusual port

      • usf.exe (PID: 2036)

  • INFO

    • Checks supported languages

      • usf.exe (PID: 2036)

    • Reads the computer name

      • usf.exe (PID: 2036)

    • Create files in a temporary directory

      • usf.exe (PID: 2036)

    • Reads the machine GUID from the registry

      • usf.exe (PID: 2036)

    • Checks proxy server information

      • usf.exe (PID: 2036)

    • Application launched itself

      • msedge.exe (PID: 1392)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable (generic) (52.9)
.exe | Generic Win/DOS Executable (23.5)
.exe | DOS Executable Generic (23.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 0000:00:00 00:00:00
ImageFileCharacteristics: Executable, 32-bit, No debug
PEType: PE32
LinkerVersion: 3
CodeSize: 3235840
InitializedDataSize: 155648
UninitializedDataSize: 10088448
EntryPoint: 0xcb4ac0
OSVersion: 5.1
ImageVersion: 1
SubsystemVersion: 5.1
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
57
Monitored processes
24
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start usf.exe rundll32.exe no specs msedge.exe msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
668"C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=109.0.5414.149 "--annotation=exe=C:\Program Files\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win32 "--annotation=prod=Microsoft Edge" --annotation=ver=109.0.1518.115 --initial-client-data=0xc8,0xcc,0xd0,0x9c,0xd8,0x6c6ef598,0x6c6ef5a8,0x6c6ef5b4C:\Program Files\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Edge
Exit code:
0
Version:
109.0.1518.115
Modules
Images
c:\program files\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\edge\application\109.0.1518.115\msedge_elf.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
1000"C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=renderer --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4004 --field-trial-handle=1264,i,3177082444593870326,6983582935437152236,131072 /prefetch:1C:\Program Files\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Exit code:
0
Version:
109.0.1518.115
Modules
Images
c:\program files\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\edge\application\109.0.1518.115\msedge_elf.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
1392"C:\Program Files\Microsoft\Edge\Application\msedge.exe" --single-argument https://home.ultrasurfing.com/C:\Program Files\Microsoft\Edge\Application\msedge.exe
rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Edge
Exit code:
0
Version:
109.0.1518.115
Modules
Images
c:\program files\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\edge\application\109.0.1518.115\msedge_elf.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
1560"C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=renderer --first-renderer-process --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2272 --field-trial-handle=1264,i,3177082444593870326,6983582935437152236,131072 /prefetch:1C:\Program Files\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Exit code:
0
Version:
109.0.1518.115
Modules
Images
c:\program files\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\edge\application\109.0.1518.115\msedge_elf.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
1796"C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=1656 --field-trial-handle=1264,i,3177082444593870326,6983582935437152236,131072 /prefetch:8C:\Program Files\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Exit code:
0
Version:
109.0.1518.115
Modules
Images
c:\program files\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\edge\application\109.0.1518.115\msedge_elf.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
1824"C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1440 --field-trial-handle=1264,i,3177082444593870326,6983582935437152236,131072 /prefetch:3C:\Program Files\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Edge
Exit code:
0
Version:
109.0.1518.115
Modules
Images
c:\program files\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\edge\application\109.0.1518.115\msedge_elf.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
1848"C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1336 --field-trial-handle=1264,i,3177082444593870326,6983582935437152236,131072 /prefetch:2C:\Program Files\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Exit code:
0
Version:
109.0.1518.115
Modules
Images
c:\program files\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\edge\application\109.0.1518.115\msedge_elf.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
1860"C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3312 --field-trial-handle=1264,i,3177082444593870326,6983582935437152236,131072 /prefetch:8C:\Program Files\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Exit code:
0
Version:
109.0.1518.115
Modules
Images
c:\program files\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\edge\application\109.0.1518.115\msedge_elf.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
2036"C:\Users\admin\AppData\Local\Temp\usf.exe" C:\Users\admin\AppData\Local\Temp\usf.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\usf.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\winmm.dll
c:\windows\system32\user32.dll
2096"C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=renderer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2276 --field-trial-handle=1264,i,3177082444593870326,6983582935437152236,131072 /prefetch:1C:\Program Files\Microsoft\Edge\Application\msedge.exe—msedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Exit code:
0
Version:
109.0.1518.115
Modules
Images
c:\program files\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\microsoft\edge\application\109.0.1518.115\msedge_elf.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
4 150
Read events
4 115
Write events
35
Delete events
0

Modification events

(PID) Process:(2036) usf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2036) usf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
1
(PID) Process:(2036) usf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyServer
Value:
127.0.0.1:9666
(PID) Process:(2036) usf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000005C010000030000000E0000003132372E302E302E313A3936363600000000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(2036) usf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000005D0100000B0000000E0000003132372E302E302E313A3936363600000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A8016B000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(1392) msedge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Edge\BLBeacon
Operation:writeName:failed_count
Value:
0
(PID) Process:(1392) msedge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Edge\BLBeacon
Operation:writeName:state
Value:
1
(PID) Process:(1392) msedge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Edge\ThirdParty
Operation:writeName:StatusCodes
Value:
01000000
(PID) Process:(1392) msedge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Edge\BLBeacon
Operation:writeName:state
Value:
2
(PID) Process:(1392) msedge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\EdgeUpdate\ClientState\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}
Operation:writeName:dr
Value:
1
Executable files
6
Suspicious files
85
Text files
25
Unknown types
0

Dropped files

PID
Process
Filename
Type
1392msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old~RFe16fe.TMP —
MD5:—
SHA256:—
1392msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old —
MD5:—
SHA256:—
1392msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old~RFe172d.TMP —
MD5:—
SHA256:—
1392msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old —
MD5:—
SHA256:—
1392msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old~RFe17e9.TMP —
MD5:—
SHA256:—
1392msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old —
MD5:—
SHA256:—
1392msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\8ad28888-6275-4b34-a32d-e4eadab2af2e.tmpbinary
MD5:F78D5150837030868AB4F15282B1B7DE
SHA256:710BB15E583B96743134A13E47A8CA43C594813116C5FA5A74B4FEC7FEE051AB
1392msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\Site Characteristics Database\LOG.old~RFe16fe.TMPtext
MD5:DC3DFB5AC4FB94152BBCC0A1072D0D87
SHA256:FDD5048837BDED85426AF270E6E08913657C1A12B1E40F6A67CF9487D7559FC9
668msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\CrashpadMetrics.pmabinary
MD5:C612E96CBFAC63232FC2062E15600FB1
SHA256:DB3C05D5EC0B6719A73E7F0BE84BCE9342772DA70567E7CE08CF6573480B38FF
1392msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\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
11
DNS requests
1
Threats
0

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
192.168.100.255:138
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
2036
usf.exe
9.9.9.11:443
—
QUAD9-AS-1
CH
unknown
2036
usf.exe
72.52.87.64:54925
—
HURRICANE
US
unknown
2036
usf.exe
74.82.60.30:443
—
HURRICANE
US
unknown
1392
msedge.exe
239.255.255.250:1900
—
—
—
whitelisted
1392
msedge.exe
224.0.0.251:5353
—
—
—
unknown

DNS requests

Domain
IP
Reputation
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

No threats detected
No debug info
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Reports
usf.exe