Analysis

  • max time kernel
    129s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 05:46

General

  • Target

    3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe

  • Size

    743KB

  • MD5

    5d187da30baee4d1caa3fa7dc6756dde

  • SHA1

    c2904d4627f79ff40a922bd604dc30be04fc48c9

  • SHA256

    3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1

  • SHA512

    287adda92ffc32b6070de1bdbeebfa03285f1d45aee93114b056e62cf3b174d1820269f2375bb1ee0ba55de453dc297d68d2b5aac4a3578f0a9eb6db63e83fdd

  • SSDEEP

    12288:svIdKRwhyM8aqsj0EaQhsMyN69xaLT2RpPT2XzTbQ:sj2r8aHEQ9ye/P6XzY

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.

  • 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 1 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe
    "C:\Users\Admin\AppData\Local\Temp\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3272
    • 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\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4500
    • C:\Users\Admin\AppData\Local\Temp\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe
      "C:\Users\Admin\AppData\Local\Temp\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.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:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3279f79164633c0881c50971c98ca39bc9367111410f77582700468f2c0e3dd1.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jpxlpk2u.o2o.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2852-23-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2852-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2852-64-0x00000000063B0000-0x0000000006400000-memory.dmp

    Filesize

    320KB

  • memory/2852-62-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2852-61-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2852-63-0x0000000006510000-0x00000000066D2000-memory.dmp

    Filesize

    1.8MB

  • memory/2852-14-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3272-5-0x0000000005480000-0x000000000548A000-memory.dmp

    Filesize

    40KB

  • memory/3272-7-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

    Filesize

    4KB

  • memory/3272-9-0x00000000015B0000-0x000000000163C000-memory.dmp

    Filesize

    560KB

  • memory/3272-2-0x0000000005A30000-0x0000000005FD4000-memory.dmp

    Filesize

    5.6MB

  • memory/3272-15-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3272-8-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3272-4-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3272-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

    Filesize

    4KB

  • memory/3272-1-0x00000000009B0000-0x0000000000A70000-memory.dmp

    Filesize

    768KB

  • memory/3272-6-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

    Filesize

    120KB

  • memory/3272-10-0x000000000C790000-0x000000000C82C000-memory.dmp

    Filesize

    624KB

  • memory/3272-3-0x0000000005520000-0x00000000055B2000-memory.dmp

    Filesize

    584KB

  • memory/4500-35-0x0000000006930000-0x000000000697C000-memory.dmp

    Filesize

    304KB

  • memory/4500-50-0x0000000007BC0000-0x0000000007BDA000-memory.dmp

    Filesize

    104KB

  • memory/4500-21-0x0000000005980000-0x00000000059E6000-memory.dmp

    Filesize

    408KB

  • memory/4500-18-0x0000000005B80000-0x00000000061A8000-memory.dmp

    Filesize

    6.2MB

  • memory/4500-34-0x00000000068A0000-0x00000000068BE000-memory.dmp

    Filesize

    120KB

  • memory/4500-22-0x0000000005910000-0x0000000005976000-memory.dmp

    Filesize

    408KB

  • memory/4500-36-0x0000000007A40000-0x0000000007A72000-memory.dmp

    Filesize

    200KB

  • memory/4500-47-0x0000000007A00000-0x0000000007A1E000-memory.dmp

    Filesize

    120KB

  • memory/4500-37-0x0000000070A00000-0x0000000070A4C000-memory.dmp

    Filesize

    304KB

  • memory/4500-48-0x0000000007A80000-0x0000000007B23000-memory.dmp

    Filesize

    652KB

  • memory/4500-49-0x0000000008210000-0x000000000888A000-memory.dmp

    Filesize

    6.5MB

  • memory/4500-19-0x00000000057E0000-0x0000000005802000-memory.dmp

    Filesize

    136KB

  • memory/4500-51-0x0000000007C30000-0x0000000007C3A000-memory.dmp

    Filesize

    40KB

  • memory/4500-52-0x0000000007E40000-0x0000000007ED6000-memory.dmp

    Filesize

    600KB

  • memory/4500-53-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

    Filesize

    68KB

  • memory/4500-54-0x0000000007E00000-0x0000000007E0E000-memory.dmp

    Filesize

    56KB

  • memory/4500-55-0x0000000007E10000-0x0000000007E24000-memory.dmp

    Filesize

    80KB

  • memory/4500-56-0x0000000007F00000-0x0000000007F1A000-memory.dmp

    Filesize

    104KB

  • memory/4500-57-0x0000000007EE0000-0x0000000007EE8000-memory.dmp

    Filesize

    32KB

  • memory/4500-60-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4500-20-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4500-24-0x00000000061F0000-0x0000000006544000-memory.dmp

    Filesize

    3.3MB

  • memory/4500-16-0x0000000002FC0000-0x0000000002FF6000-memory.dmp

    Filesize

    216KB

  • memory/4500-17-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB