Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 13:37

General

  • Target

    PO98540-00.exe

  • Size

    735KB

  • MD5

    12b61aabd698fc417a5b8585b080ec8e

  • SHA1

    c02d9b78c50a4e4f5ef6b8834e7b24c3b43d9090

  • SHA256

    3eb9ac022f20d35c40968d17b72955c8a193ad8be8d18d9c822fbddeef77adbb

  • SHA512

    235b2b08ffef0d223c93d220cf8f3571130fe7b985c332f1013f70a5caca7cbf237efd54861fb2686c5dbafa89dcdc71e6d927d3f99e0c739906e5dc21b140bf

  • SSDEEP

    12288:e8QiKaxBHnzwb5FSgCS9ENY+/Xn1GFhdVBVyALy6xm7hDjoyW+j3:FQiHw6gCp/Xn1Shbfrnm7tczO

Malware Config

Extracted

Family

vipkeylogger

Credentials

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO98540-00.exe
    "C:\Users\Admin\AppData\Local\Temp\PO98540-00.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • 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\PO98540-00.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2284
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ACLAoT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ACLAoT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1304.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2700
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1304.tmp

    Filesize

    1KB

    MD5

    94c8c0bc313a21d0c0e2b2c2aab04691

    SHA1

    42f92b34cb45e27c31c93014419953e4613c7ce9

    SHA256

    935b909680afbbcfeae86d3ab86c8cf8eeeb5e4301cdbee6bb27bf034ad55f8e

    SHA512

    a8a7ffb381e9be7358777cbaafdf42f5cde889f1c4dccfc77decbff527ceb7c87a49d6726495235646af52af3f2b6477dbeedcaf0880d4da8068a5378abb969f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\79ALU3ON6J3FC597AP4T.temp

    Filesize

    7KB

    MD5

    4672b73c39c48abcc42137508ec21924

    SHA1

    6d4a03ab08858fced0ffdb6bf4c3393f7d33702f

    SHA256

    a5aff646ea5f0d524e561a099d531a8486f71d464bf327e11283cad8b541a054

    SHA512

    56bfa1284cecbc09917564068336bf97cde6098bf1d6c7dea2568d104c6a81e033726bebda989347c774c7c129191315667c9770fb5dd5d85b5950d3a4e81389

  • memory/2324-4-0x000000007448E000-0x000000007448F000-memory.dmp

    Filesize

    4KB

  • memory/2324-32-0x0000000074480000-0x0000000074B6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-0-0x000000007448E000-0x000000007448F000-memory.dmp

    Filesize

    4KB

  • memory/2324-5-0x0000000074480000-0x0000000074B6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-6-0x00000000047A0000-0x000000000482E000-memory.dmp

    Filesize

    568KB

  • memory/2324-2-0x0000000074480000-0x0000000074B6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-1-0x0000000000970000-0x0000000000A2C000-memory.dmp

    Filesize

    752KB

  • memory/2324-3-0x0000000000660000-0x0000000000678000-memory.dmp

    Filesize

    96KB

  • memory/2688-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2688-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2688-31-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2688-29-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2688-28-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2688-27-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2688-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2688-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB