Analysis

  • max time kernel
    122s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-01-2025 11:28

General

  • Target

    Mechanical Tendering Engineer – Infrastructure.exe

  • Size

    821KB

  • MD5

    429c7a3322bd34eafacec92baba5ec09

  • SHA1

    61bbaec2ed91d5885cb2ee21e23b781ac91824d9

  • SHA256

    071d0a5405c4bc0d3319aa4756ad6afb703c8462d1a6d616765eeae22dcdbd30

  • SHA512

    8181ee44d934d6303f4ad2414741d4b422cdc2b038332ed13330bc6c8b3eb75d57dd1905a976a24ba40a78a2634c11539338db141ada5e4e810c2bef464c4d33

  • SSDEEP

    12288:qKY00jgMZ9+x/KDUBfssWfQoIGEcFC/oqE1TqIKqmuUN93ANpe0:qKdjMZ9+x/pBEDfycFC/A1tZmV3el

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 1 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.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 4 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 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.exe
    "C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.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:372
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cWGcrDZzGfui.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:952
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cWGcrDZzGfui" /XML "C:\Users\Admin\AppData\Local\Temp\tmp318.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3236
    • C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.exe
      "C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.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:2012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_myvq4nqx.yyx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp318.tmp

    Filesize

    1KB

    MD5

    69a5033e733e6da63ad8caa17069de94

    SHA1

    3ca739e9737c36653067287a2d447470a14d73fe

    SHA256

    eea77c2322a0f500a1c4e8553365e36b1fa77427188bfdcbe06dd6fcbcb11bf3

    SHA512

    56335cc0fb069177bf47f08a4aabfad90e63453d29713bc737010500fe33f0289fa4b9306887335a063a0c6a2a241ef002029da209c66d2d30e06541b4deef32

  • memory/372-6-0x0000000005290000-0x00000000052AE000-memory.dmp

    Filesize

    120KB

  • memory/372-3-0x0000000005050000-0x00000000050E2000-memory.dmp

    Filesize

    584KB

  • memory/372-4-0x0000000005000000-0x000000000500A000-memory.dmp

    Filesize

    40KB

  • memory/372-5-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/372-2-0x0000000005560000-0x0000000005B04000-memory.dmp

    Filesize

    5.6MB

  • memory/372-7-0x00000000746FE000-0x00000000746FF000-memory.dmp

    Filesize

    4KB

  • memory/372-8-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/372-9-0x0000000002A90000-0x0000000002B1E000-memory.dmp

    Filesize

    568KB

  • memory/372-10-0x00000000067F0000-0x000000000688C000-memory.dmp

    Filesize

    624KB

  • memory/372-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

    Filesize

    4KB

  • memory/372-37-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/372-1-0x00000000006B0000-0x0000000000782000-memory.dmp

    Filesize

    840KB

  • memory/952-55-0x0000000007000000-0x000000000700A000-memory.dmp

    Filesize

    40KB

  • memory/952-58-0x00000000071C0000-0x00000000071CE000-memory.dmp

    Filesize

    56KB

  • memory/952-18-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/952-21-0x0000000004DC0000-0x0000000004DE2000-memory.dmp

    Filesize

    136KB

  • memory/952-23-0x0000000005520000-0x0000000005586000-memory.dmp

    Filesize

    408KB

  • memory/952-17-0x0000000004E80000-0x00000000054A8000-memory.dmp

    Filesize

    6.2MB

  • memory/952-22-0x00000000054B0000-0x0000000005516000-memory.dmp

    Filesize

    408KB

  • memory/952-30-0x0000000005590000-0x00000000058E4000-memory.dmp

    Filesize

    3.3MB

  • memory/952-64-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/952-61-0x00000000072B0000-0x00000000072B8000-memory.dmp

    Filesize

    32KB

  • memory/952-16-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/952-38-0x0000000005C50000-0x0000000005C6E000-memory.dmp

    Filesize

    120KB

  • memory/952-39-0x0000000005CE0000-0x0000000005D2C000-memory.dmp

    Filesize

    304KB

  • memory/952-40-0x0000000006C20000-0x0000000006C52000-memory.dmp

    Filesize

    200KB

  • memory/952-51-0x0000000006220000-0x000000000623E000-memory.dmp

    Filesize

    120KB

  • memory/952-41-0x0000000074F80000-0x0000000074FCC000-memory.dmp

    Filesize

    304KB

  • memory/952-52-0x0000000006E60000-0x0000000006F03000-memory.dmp

    Filesize

    652KB

  • memory/952-53-0x00000000075E0000-0x0000000007C5A000-memory.dmp

    Filesize

    6.5MB

  • memory/952-54-0x0000000006F90000-0x0000000006FAA000-memory.dmp

    Filesize

    104KB

  • memory/952-15-0x0000000002370000-0x00000000023A6000-memory.dmp

    Filesize

    216KB

  • memory/952-56-0x0000000007210000-0x00000000072A6000-memory.dmp

    Filesize

    600KB

  • memory/952-57-0x0000000007190000-0x00000000071A1000-memory.dmp

    Filesize

    68KB

  • memory/952-19-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/952-59-0x00000000071D0000-0x00000000071E4000-memory.dmp

    Filesize

    80KB

  • memory/952-60-0x00000000072D0000-0x00000000072EA000-memory.dmp

    Filesize

    104KB

  • memory/2012-36-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2012-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2012-65-0x00000000063E0000-0x00000000065A2000-memory.dmp

    Filesize

    1.8MB

  • memory/2012-66-0x0000000006260000-0x00000000062B0000-memory.dmp

    Filesize

    320KB

  • memory/2012-67-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB