Analysis

  • max time kernel
    93s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 14:05

General

  • Target

    PO17971.exe

  • Size

    669KB

  • MD5

    7a01ce7b443e4c2f5344ef3ec0e21538

  • SHA1

    90f517920d408f9db6cdbeb6f67ba7c62708c851

  • SHA256

    ee6993e7afbf9a039db981542c0250e22fcaa01434db911732851c9e52bb38b6

  • SHA512

    9d14f5fd61cad5696b70bb2ceecadd495b41ebca1f2691d4dce8ccd1504db3c3cf58889df8eb799bda19d481803b727d55867512614f4733116dda77a22d26fc

  • SSDEEP

    12288:mEwl9Z7a0GM4Rb9So1JELBYaKMwzyrdowvUI69boqatgOr/2MlxSTtXVHM3IN:wawLNOwd69+tgyuMloTpDN

Malware Config

Extracted

Family

vipkeylogger

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO17971.exe
    "C:\Users\Admin\AppData\Local\Temp\PO17971.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO17971.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:624
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TZRtlifudvO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TZRtlifudvO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF54D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3472
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rw1kayf3.y2i.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF54D.tmp

    Filesize

    1KB

    MD5

    5a8585b45fc88b4587a96771a03d009e

    SHA1

    7aa78d9afb83ba39e5db40e0d99866c00e9bba8e

    SHA256

    0deda633a02c78f18bcb0fbc372484906b6643380f6b9ccefc10c27664af097a

    SHA512

    430754ae33a0adfbc72951c15d068bbcf9cdc020480507bd89d2ec42705559b93dc02d267a8c564d502c0997177f20d95fdc52423298560104050cb1e315b27e

  • memory/624-64-0x0000000075100000-0x000000007514C000-memory.dmp

    Filesize

    304KB

  • memory/624-84-0x0000000007670000-0x0000000007678000-memory.dmp

    Filesize

    32KB

  • memory/624-82-0x0000000007590000-0x00000000075A4000-memory.dmp

    Filesize

    80KB

  • memory/624-81-0x0000000007580000-0x000000000758E000-memory.dmp

    Filesize

    56KB

  • memory/624-77-0x0000000007350000-0x000000000736A000-memory.dmp

    Filesize

    104KB

  • memory/624-76-0x0000000007990000-0x000000000800A000-memory.dmp

    Filesize

    6.5MB

  • memory/624-21-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/624-83-0x0000000007690000-0x00000000076AA000-memory.dmp

    Filesize

    104KB

  • memory/624-30-0x0000000005270000-0x00000000052D6000-memory.dmp

    Filesize

    408KB

  • memory/624-15-0x0000000002710000-0x0000000002746000-memory.dmp

    Filesize

    216KB

  • memory/624-17-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/624-16-0x0000000005330000-0x0000000005958000-memory.dmp

    Filesize

    6.2MB

  • memory/624-18-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/624-87-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/664-24-0x00000000051D0000-0x00000000051F2000-memory.dmp

    Filesize

    136KB

  • memory/664-78-0x0000000007520000-0x000000000752A000-memory.dmp

    Filesize

    40KB

  • memory/664-19-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/664-88-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/664-29-0x00000000058F0000-0x0000000005956000-memory.dmp

    Filesize

    408KB

  • memory/664-80-0x00000000076B0000-0x00000000076C1000-memory.dmp

    Filesize

    68KB

  • memory/664-79-0x0000000007730000-0x00000000077C6000-memory.dmp

    Filesize

    600KB

  • memory/664-20-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/664-75-0x0000000007150000-0x00000000071F3000-memory.dmp

    Filesize

    652KB

  • memory/664-54-0x0000000075100000-0x000000007514C000-memory.dmp

    Filesize

    304KB

  • memory/664-73-0x0000000006730000-0x000000000674E000-memory.dmp

    Filesize

    120KB

  • memory/664-44-0x0000000005CA0000-0x0000000005FF4000-memory.dmp

    Filesize

    3.3MB

  • memory/664-53-0x0000000006750000-0x0000000006782000-memory.dmp

    Filesize

    200KB

  • memory/664-51-0x0000000006160000-0x000000000617E000-memory.dmp

    Filesize

    120KB

  • memory/664-52-0x0000000006200000-0x000000000624C000-memory.dmp

    Filesize

    304KB

  • memory/4608-3-0x0000000004D50000-0x0000000004DE2000-memory.dmp

    Filesize

    584KB

  • memory/4608-6-0x0000000005070000-0x000000000510C000-memory.dmp

    Filesize

    624KB

  • memory/4608-1-0x00000000002B0000-0x000000000035C000-memory.dmp

    Filesize

    688KB

  • memory/4608-10-0x0000000007EA0000-0x0000000007F1E000-memory.dmp

    Filesize

    504KB

  • memory/4608-0-0x000000007485E000-0x000000007485F000-memory.dmp

    Filesize

    4KB

  • memory/4608-7-0x0000000005040000-0x000000000505A000-memory.dmp

    Filesize

    104KB

  • memory/4608-8-0x000000007485E000-0x000000007485F000-memory.dmp

    Filesize

    4KB

  • memory/4608-2-0x0000000005440000-0x00000000059E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4608-50-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4608-9-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4608-5-0x0000000004D40000-0x0000000004D4A000-memory.dmp

    Filesize

    40KB

  • memory/4608-4-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4884-46-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4884-45-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4884-47-0x0000000003270000-0x00000000032C0000-memory.dmp

    Filesize

    320KB

  • memory/4884-49-0x0000000005890000-0x00000000058DE000-memory.dmp

    Filesize

    312KB