Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 08:35

General

  • Target

    Purchase Order 007823-PO# 005307.exe

  • Size

    745KB

  • MD5

    89b1330440f5e3cc7fdf662981760845

  • SHA1

    39484bf19c50d51022b3f90361bfd048b1ee1df6

  • SHA256

    2095af004e76f0cf7243b68e868eeb3b9c8c157d632aa785a87a93addf3b75fc

  • SHA512

    2db2b4de6eb9bda9b1d93d4e14417a31193cdcebd4736b07a49d0d72e34244d166285107eda6968c3b781e20e7302a2d93b2e5a3df93a6b3217e6a3d426bc1e3

  • SSDEEP

    12288:a4Gc47cJDImS//BEQPo+wknW47+O7dwKOFxFp/xb0rA5CXpLJ+U3T:9GrSImS//BEknwGW47+OZFOFH0rA5yJ+

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qimnnEB2

Extracted

Family

vipkeylogger

Credentials

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\Purchase Order 007823-PO# 005307.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2036
    • 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\Purchase Order 007823-PO# 005307.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4184
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.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:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Purchase Order 007823-PO# 005307.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fdiutzf2.dpy.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2036-10-0x000000000C700000-0x000000000C79C000-memory.dmp

    Filesize

    624KB

  • memory/2036-1-0x0000000000C50000-0x0000000000D10000-memory.dmp

    Filesize

    768KB

  • memory/2036-4-0x00000000057C0000-0x00000000057CA000-memory.dmp

    Filesize

    40KB

  • memory/2036-5-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2036-6-0x0000000005AF0000-0x0000000005B0E000-memory.dmp

    Filesize

    120KB

  • memory/2036-7-0x00000000751EE000-0x00000000751EF000-memory.dmp

    Filesize

    4KB

  • memory/2036-8-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2036-9-0x0000000005150000-0x00000000051DC000-memory.dmp

    Filesize

    560KB

  • memory/2036-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

    Filesize

    4KB

  • memory/2036-3-0x0000000005710000-0x00000000057A2000-memory.dmp

    Filesize

    584KB

  • memory/2036-2-0x0000000005D70000-0x0000000006314000-memory.dmp

    Filesize

    5.6MB

  • memory/2036-15-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3064-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3064-66-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3064-65-0x00000000074E0000-0x0000000007A0C000-memory.dmp

    Filesize

    5.2MB

  • memory/3064-64-0x0000000006C60000-0x0000000006CB0000-memory.dmp

    Filesize

    320KB

  • memory/3064-63-0x0000000006DE0000-0x0000000006FA2000-memory.dmp

    Filesize

    1.8MB

  • memory/3064-62-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3064-33-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3064-14-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4184-22-0x0000000005600000-0x0000000005666000-memory.dmp

    Filesize

    408KB

  • memory/4184-53-0x00000000071D0000-0x0000000007266000-memory.dmp

    Filesize

    600KB

  • memory/4184-34-0x0000000005670000-0x00000000059C4000-memory.dmp

    Filesize

    3.3MB

  • memory/4184-23-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4184-35-0x0000000005C20000-0x0000000005C3E000-memory.dmp

    Filesize

    120KB

  • memory/4184-36-0x0000000005C60000-0x0000000005CAC000-memory.dmp

    Filesize

    304KB

  • memory/4184-37-0x00000000061E0000-0x0000000006212000-memory.dmp

    Filesize

    200KB

  • memory/4184-38-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

    Filesize

    304KB

  • memory/4184-48-0x0000000006220000-0x000000000623E000-memory.dmp

    Filesize

    120KB

  • memory/4184-49-0x0000000006C30000-0x0000000006CD3000-memory.dmp

    Filesize

    652KB

  • memory/4184-50-0x0000000007590000-0x0000000007C0A000-memory.dmp

    Filesize

    6.5MB

  • memory/4184-51-0x0000000006F50000-0x0000000006F6A000-memory.dmp

    Filesize

    104KB

  • memory/4184-52-0x0000000006FC0000-0x0000000006FCA000-memory.dmp

    Filesize

    40KB

  • memory/4184-21-0x00000000054E0000-0x0000000005546000-memory.dmp

    Filesize

    408KB

  • memory/4184-54-0x0000000007150000-0x0000000007161000-memory.dmp

    Filesize

    68KB

  • memory/4184-55-0x0000000007180000-0x000000000718E000-memory.dmp

    Filesize

    56KB

  • memory/4184-56-0x0000000007190000-0x00000000071A4000-memory.dmp

    Filesize

    80KB

  • memory/4184-57-0x0000000007290000-0x00000000072AA000-memory.dmp

    Filesize

    104KB

  • memory/4184-58-0x0000000007270000-0x0000000007278000-memory.dmp

    Filesize

    32KB

  • memory/4184-61-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4184-20-0x0000000004C80000-0x0000000004CA2000-memory.dmp

    Filesize

    136KB

  • memory/4184-19-0x0000000004D00000-0x0000000005328000-memory.dmp

    Filesize

    6.2MB

  • memory/4184-18-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4184-17-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4184-16-0x0000000002300000-0x0000000002336000-memory.dmp

    Filesize

    216KB