File name:

challenge.exe

Full analysis: https://app.any.run/tasks/f4b79658-aada-40a8-b466-4826753a499b
Verdict: Malicious activity
Threats:

Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying.

Malware Trends Tracker     >>>
Analysis date: November 05, 2023, 21:43:46
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
stop
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

A2F33095EF25B4D5B061EB53A7FE6548

SHA1:

B38A8CB06507ADB966DFDB809403F8F7F64CA534

SHA256:

B0D41E9B8C941D207A0958B92F57083DD9B9246958BD32E2E6E90C4EE0E12419

SSDEEP:

24576:sHMFgBanP6wJlYixpC9gbYstRiNhmREhf4gnlzY1hcP0GeN53UB:sHmgq1sUJOLlucev3UB

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

      • challenge.exe (PID: 3372)

    • Stop is detected

      • challenge.exe (PID: 3900)

  • SUSPICIOUS

    • Application launched itself

      • challenge.exe (PID: 3204)
      • challenge.exe (PID: 3372)
      • challenge.exe (PID: 3844)

    • Reads security settings of Internet Explorer

      • challenge.exe (PID: 3372)
      • challenge.exe (PID: 3900)

    • Reads the Internet Settings

      • challenge.exe (PID: 3372)
      • challenge.exe (PID: 3900)

    • Checks Windows Trust Settings

      • challenge.exe (PID: 3372)
      • challenge.exe (PID: 3900)

    • Reads settings of System Certificates

      • challenge.exe (PID: 3372)
      • challenge.exe (PID: 3900)

    • Uses ICACLS.EXE to modify access control lists

      • challenge.exe (PID: 3372)

  • INFO

    • Checks supported languages

      • challenge.exe (PID: 3204)
      • challenge.exe (PID: 3372)
      • challenge.exe (PID: 3844)
      • wmpnscfg.exe (PID: 3856)
      • challenge.exe (PID: 3900)

    • Checks proxy server information

      • challenge.exe (PID: 3372)
      • challenge.exe (PID: 3900)

    • Creates files or folders in the user directory

      • challenge.exe (PID: 3372)
      • challenge.exe (PID: 3900)

    • Reads the computer name

      • challenge.exe (PID: 3372)
      • wmpnscfg.exe (PID: 3856)
      • challenge.exe (PID: 3900)

    • Reads the machine GUID from the registry

      • challenge.exe (PID: 3372)
      • wmpnscfg.exe (PID: 3856)
      • challenge.exe (PID: 3900)

    • Manual execution by a user

      • wmpnscfg.exe (PID: 3856)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (67.4)
.dll | Win32 Dynamic Link Library (generic) (14.2)
.exe | Win32 Executable (generic) (9.7)
.exe | Generic Win/DOS Executable (4.3)
.exe | DOS Executable Generic (4.3)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:03:23 02:28:10+01:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 10
CodeSize: 768000
InitializedDataSize: 623104
UninitializedDataSize: -
EntryPoint: 0x9d410
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
46
Monitored processes
6
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
start challenge.exe no specs challenge.exe icacls.exe no specs challenge.exe wmpnscfg.exe no specs #STOP challenge.exe

Process information

PID
CMD
Path
Indicators
Parent process
3204"C:\Users\admin\AppData\Local\Temp\challenge.exe" C:\Users\admin\AppData\Local\Temp\challenge.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\challenge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
3372"C:\Users\admin\AppData\Local\Temp\challenge.exe" C:\Users\admin\AppData\Local\Temp\challenge.exe
challenge.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\challenge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\mpr.dll
c:\windows\system32\wininet.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-user32-l1-1-0.dll
c:\windows\system32\user32.dll
3424icacls "C:\Users\admin\AppData\Local\f9d455f3-756d-4568-9d7c-870b687e58aa" /deny *S-1-1-0:(OI)(CI)(DE,DC)C:\Windows\System32\icacls.exe—challenge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\icacls.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\ntmarta.dll
c:\windows\system32\wldap32.dll
3844"C:\Users\admin\AppData\Local\Temp\challenge.exe" --Admin IsNotAutoStart IsNotTaskC:\Users\admin\AppData\Local\Temp\challenge.exe
challenge.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\challenge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
3856"C:\Program Files\Windows Media Player\wmpnscfg.exe"C:\Program Files\Windows Media Player\wmpnscfg.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Media Player Network Sharing Service Configuration Application
Exit code:
0
Version:
12.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\windows media player\wmpnscfg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\ole32.dll
3900"C:\Users\admin\AppData\Local\Temp\challenge.exe" --Admin IsNotAutoStart IsNotTaskC:\Users\admin\AppData\Local\Temp\challenge.exe
challenge.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\challenge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\mpr.dll
c:\windows\system32\wininet.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-user32-l1-1-0.dll
c:\windows\system32\user32.dll
Total events
8 473
Read events
8 383
Write events
87
Delete events
3

Modification events

(PID) Process:(3372) challenge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3372) challenge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
4600000059010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A8016B000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3372) challenge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3372) challenge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3372) challenge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3372) challenge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3372) challenge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3372) challenge.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(3372) challenge.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\17A\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3856) wmpnscfg.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Media Player NSS\3.0\Events\{07EF6A5C-F217-44C6-8C67-7720B1DF0B51}\{1D81D6E6-92EE-484E-9FAC-94230C305C2E}
Operation:delete keyName:(default)
Value:
Executable files
1
Suspicious files
6
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
3372challenge.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:7E90E3630EA7F2880C3F96C1E2D6FBCD
SHA256:BA1B33EE55A482051BE7E08368DBCA403B44BD1604A674D45DB1BA43BED8252A
3372challenge.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464binary
MD5:28A295BB12D3F33B11EBE347AB4167BF
SHA256:7794D618AADD8CAD850E1AA18BA42E03DBD9A8848034C34ED6EF70E3661DF1F1
3372challenge.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAbinary
MD5:F166971F951E5FDC5B3D49C560253431
SHA256:70E52AF34A6D394F4D906FF58FAADF66587DF525F7A29609E7F70D99BD32C5C6
3372challenge.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\geo[1].jsontext
MD5:AB660D8F4467DF85E2AA05A0959FBABF
SHA256:3DD2DD3CE62BD82FD2D1DC7B12E10B5EBF816A4FEE8F7F7069CF1FF343473FAC
3372challenge.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAbinary
MD5:F2D764905C4E63B81BD1216A3448FF63
SHA256:19BDA93CC27F777774908EDFD8BD8ACE6307FF0098F2226CE481104CA1281AEC
3372challenge.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464binary
MD5:8202A1CD02E7D69597995CABBE881A12
SHA256:58F381C3A0A0ACE6321DA22E40BD44A597BD98B9C9390AB9258426B5CF75A7A5
3372challenge.exeC:\Users\admin\AppData\Local\f9d455f3-756d-4568-9d7c-870b687e58aa\challenge.exeexecutable
MD5:A2F33095EF25B4D5B061EB53A7FE6548
SHA256:B0D41E9B8C941D207A0958B92F57083DD9B9246958BD32E2E6E90C4EE0E12419
3900challenge.exeC:\SystemID\PersonalID.txttext
MD5:9CBA9784A820241B67F84A4726D7DF6A
SHA256:A6B5CDAB698356620D5DE2DC2EF06E4D17E4C85E676AD7E85AB599CBC1027483
3900challenge.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\geo[1].jsontext
MD5:3F55674A20E70F5AD163EEB192072392
SHA256:FD85E69668D927A2153D5C9FF3C7BE8CB5C2F3D1F3A8F649309487AB229EF3D4
3372challenge.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157compressed
MD5:1BFE591A4FE3D91B03CDF26EAACD8F89
SHA256:9CF94355051BF0F4A45724CA20D1CC02F76371B963AB7D1E38BD8997737B13D8
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
8
DNS requests
7
Threats
5

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3372
challenge.exe
GET
200
8.253.190.121:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?fdb4e2bfb9c76402
unknown
compressed
4.66 Kb
unknown
3372
challenge.exe
GET
200
142.250.185.99:80
http://ocsp.pki.goog/gtsr1/ME4wTDBKMEgwRjAJBgUrDgMCGgUABBQwkcLWD4LqGJ7bE7B1XZsEbmfwUAQU5K8rJnEaK0gnhS9SZizv8IkTcT4CDQIDvFCjJ1PwkYAi7fE%3D
unknown
binary
724 b
unknown
3372
challenge.exe
GET
200
142.250.185.99:80
http://ocsp.pki.goog/gsr1/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS3V7W2nAf4FiMTjpDJKg6%2BMgGqMQQUYHtmGkUNl8qJUC99BM00qP%2F8%2FUsCEHe9DWzbNvka6iEPxPBY0w0%3D
unknown
binary
1.41 Kb
unknown
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
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
2588
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
3372
challenge.exe
188.114.96.3:443
api.2ip.ua
CLOUDFLARENET
NL
unknown
3372
challenge.exe
8.253.190.121:80
ctldl.windowsupdate.com
LEVEL3
US
unknown
3372
challenge.exe
142.250.185.99:80
ocsp.pki.goog
GOOGLE
US
whitelisted
3900
challenge.exe
188.114.96.3:443
api.2ip.ua
CLOUDFLARENET
NL
unknown

DNS requests

Domain
IP
Reputation
api.2ip.ua
  • 188.114.96.3
  • 188.114.97.3
shared
ctldl.windowsupdate.com
  • 8.253.190.121
  • 8.60.132.113
  • 8.60.132.114
  • 8.238.154.126
  • 8.238.155.126
whitelisted
ocsp.pki.goog
  • 142.250.185.99
whitelisted
kotob.top
  • —
unknown
tzgl.org
  • —
unknown

Threats

PID
Process
Class
Message
1080
svchost.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Address Lookup DNS Query (2ip .ua)
3372
challenge.exe
Potentially Bad Traffic
ET INFO Observed External IP Lookup Domain (api .2ip .ua in TLS SNI)
3900
challenge.exe
Potentially Bad Traffic
ET INFO Observed External IP Lookup Domain (api .2ip .ua in TLS SNI)
1080
svchost.exe
Potentially Bad Traffic
ET DNS Query to a *.top domain - Likely Hostile
1 ETPRO signatures available at the full report
No debug info
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Reports
challenge.exe