Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 14:02

General

  • Target

    PO#17971.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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO#17971.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#17971.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2432
    • 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\PO#17971.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2300
    • 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:2812
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TZRtlifudvO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB28.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2832
    • 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:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB28.tmp

    Filesize

    1KB

    MD5

    f1458011c11dfacdb76104cd967a5de5

    SHA1

    f907c69638c532a97d729369bcaa36fe336517c7

    SHA256

    2932eabf1d02e109217a14106c8af2932860e457c1125ebde34cdc484d6fef92

    SHA512

    020dfd606bc625cb17b1e34c70613d061acd36b88fd53e4308ab08d1ea4e323cf67d864891cc7a433bf12c04a4510bd038cfc9a754bc3bfe0df4ff4b3299e160

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IX0X7NHO1718VPA098NW.temp

    Filesize

    7KB

    MD5

    64ba83533b75f75c5c046a9859c51850

    SHA1

    1707485714be2f583e9c5f00a559bb80ff7c876f

    SHA256

    837bfa0e37f977e8771b273d820c036b7b9302fd0079855a4bef1dc706884d82

    SHA512

    fa1b64720fc3b03b5eece240f94d2f9d603960854413dc0dc4e3e90355ecf47bbd1287f959e1e3b264dd6c529e1f789adad1521118d17d70c38bfc9e6f62f968

  • memory/2432-0-0x000000007436E000-0x000000007436F000-memory.dmp

    Filesize

    4KB

  • memory/2432-1-0x00000000008A0000-0x000000000094C000-memory.dmp

    Filesize

    688KB

  • memory/2432-2-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2432-3-0x0000000000630000-0x000000000064A000-memory.dmp

    Filesize

    104KB

  • memory/2432-4-0x000000007436E000-0x000000007436F000-memory.dmp

    Filesize

    4KB

  • memory/2432-5-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2432-6-0x0000000007F30000-0x0000000007FAE000-memory.dmp

    Filesize

    504KB

  • memory/2432-33-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-21-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2880-23-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2880-30-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2880-29-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2880-31-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2880-27-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2880-25-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2880-19-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2880-32-0x0000000004530000-0x0000000004580000-memory.dmp

    Filesize

    320KB

  • memory/2880-34-0x0000000004580000-0x00000000045CE000-memory.dmp

    Filesize

    312KB