Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 06:12

General

  • Target

    WOOYANG VENUS PARTICULARS.docx.scr.exe

  • Size

    699KB

  • MD5

    ace395f2b26c4c2cacdac246367c2060

  • SHA1

    28a7e06e9c884a6bd19e2a72a707deddc926c8f7

  • SHA256

    c75134c43e97b75bca4ced11b721253c5774cb0a78184acdc5c55580aa07df85

  • SHA512

    38ca34874df309e5ccc849614b3800a0f487920ee3c2b6c076eb7b5717807eb510257ad07a321b455280ed12ecaa8d7ce47e847a8989d79a07d6b7aab24ce5be

  • SSDEEP

    12288:HwPjab8rnxCwK1BWng4WYEAH9Dd3Qc9cLWM9WiR6i6Qc7JYdViwt5XH:HwjabiCwwQng4tE2t2Kf+/OJ4iw5

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 TTPs

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

  • Looks up external IP address via web service 2 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 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2780
    • 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\WOOYANG VENUS PARTICULARS.docx.scr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1660
    • C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\WOOYANG VENUS PARTICULARS.docx.scr.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\WOOYANG VENUS PARTICULARS.docx.scr.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_em1jvqvl.poi.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1660-51-0x0000000007100000-0x000000000711A000-memory.dmp

    Filesize

    104KB

  • memory/1660-50-0x0000000007740000-0x0000000007DBA000-memory.dmp

    Filesize

    6.5MB

  • memory/1660-61-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1660-58-0x0000000007420000-0x0000000007428000-memory.dmp

    Filesize

    32KB

  • memory/1660-57-0x0000000007440000-0x000000000745A000-memory.dmp

    Filesize

    104KB

  • memory/1660-56-0x0000000007340000-0x0000000007354000-memory.dmp

    Filesize

    80KB

  • memory/1660-55-0x0000000007330000-0x000000000733E000-memory.dmp

    Filesize

    56KB

  • memory/1660-33-0x0000000005740000-0x0000000005A94000-memory.dmp

    Filesize

    3.3MB

  • memory/1660-54-0x0000000007300000-0x0000000007311000-memory.dmp

    Filesize

    68KB

  • memory/1660-53-0x0000000007380000-0x0000000007416000-memory.dmp

    Filesize

    600KB

  • memory/1660-52-0x0000000007170000-0x000000000717A000-memory.dmp

    Filesize

    40KB

  • memory/1660-35-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

    Filesize

    120KB

  • memory/1660-32-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1660-49-0x0000000006FC0000-0x0000000007063000-memory.dmp

    Filesize

    652KB

  • memory/1660-38-0x0000000070C80000-0x0000000070CCC000-memory.dmp

    Filesize

    304KB

  • memory/1660-17-0x00000000024A0000-0x00000000024D6000-memory.dmp

    Filesize

    216KB

  • memory/1660-19-0x0000000004F90000-0x00000000055B8000-memory.dmp

    Filesize

    6.2MB

  • memory/1660-21-0x0000000004EA0000-0x0000000004F06000-memory.dmp

    Filesize

    408KB

  • memory/1660-22-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1660-20-0x0000000004E00000-0x0000000004E22000-memory.dmp

    Filesize

    136KB

  • memory/1660-48-0x0000000006FA0000-0x0000000006FBE000-memory.dmp

    Filesize

    120KB

  • memory/1660-37-0x00000000063A0000-0x00000000063D2000-memory.dmp

    Filesize

    200KB

  • memory/1660-36-0x0000000005E10000-0x0000000005E5C000-memory.dmp

    Filesize

    304KB

  • memory/1660-34-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-0-0x000000007500E000-0x000000007500F000-memory.dmp

    Filesize

    4KB

  • memory/2780-7-0x000000007500E000-0x000000007500F000-memory.dmp

    Filesize

    4KB

  • memory/2780-9-0x00000000067A0000-0x0000000006822000-memory.dmp

    Filesize

    520KB

  • memory/2780-15-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-1-0x0000000000350000-0x0000000000404000-memory.dmp

    Filesize

    720KB

  • memory/2780-4-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2780-5-0x0000000004E00000-0x0000000004E0A000-memory.dmp

    Filesize

    40KB

  • memory/2780-3-0x0000000004E50000-0x0000000004EE2000-memory.dmp

    Filesize

    584KB

  • memory/2780-2-0x0000000005400000-0x00000000059A4000-memory.dmp

    Filesize

    5.6MB

  • memory/2780-6-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

    Filesize

    64KB

  • memory/2780-10-0x0000000008D70000-0x0000000008E0C000-memory.dmp

    Filesize

    624KB

  • memory/2780-8-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-16-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/5008-14-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-18-0x00000000058B0000-0x0000000005916000-memory.dmp

    Filesize

    408KB

  • memory/5008-62-0x0000000006DF0000-0x0000000006E40000-memory.dmp

    Filesize

    320KB

  • memory/5008-63-0x0000000075000000-0x00000000757B0000-memory.dmp

    Filesize

    7.7MB