Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 10:51

General

  • Target

    SHIPPING DOCUMENTS.exe

  • Size

    673KB

  • MD5

    947f933a1a4ef419ed23aaf93c837668

  • SHA1

    b9d752237aee95d3335a16522827b3d03921e8c9

  • SHA256

    21d546daca396508a4777d88c6b07a198fd84e0b368ffa19d2c7eaa961ec014d

  • SHA512

    66c0d58206ae3025f6bb0a943d1639e9623fecbffcbe21c95e1dd8eeeb0ec81f9efef2bbc0837ae798127fd75b91fcabe090f0fa84169fce7e6514b023d25fdf

  • SSDEEP

    12288:oaIfB/bX0GROFMrhVqK2BKrLc7Hz/dogK69ln45ydK3tBB:YJ/rpROFCvqhBKrLOTlsI2ydg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.santexknit.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    036971sklctg

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kEDrUYYd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2364
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kEDrUYYd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp859B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3924
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe
      "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4248

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tkfudw0h.zij.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp859B.tmp

          Filesize

          1KB

          MD5

          9cfc3df2d711f2fe5177ff86b111417e

          SHA1

          0e99f5c9be22e4d2f7e5515109a1b4a06b37cf3c

          SHA256

          564996bce009cf00bcc24bf83819c54aa41b36a47a87394e7aa75461b7d8918e

          SHA512

          4d07303c9d5a656ffde2acfd0b3eff7adae9466b5f50d6d8b41eb4729080e56f39689fc9f61818b58a9dda32bb9b970fa7f0dda1c518ca8f63b9f171a77fd1af

        • memory/2364-17-0x0000000005060000-0x0000000005688000-memory.dmp

          Filesize

          6.2MB

        • memory/2364-51-0x0000000007080000-0x000000000709E000-memory.dmp

          Filesize

          120KB

        • memory/2364-59-0x0000000007420000-0x0000000007434000-memory.dmp

          Filesize

          80KB

        • memory/2364-58-0x0000000007410000-0x000000000741E000-memory.dmp

          Filesize

          56KB

        • memory/2364-57-0x00000000073E0000-0x00000000073F1000-memory.dmp

          Filesize

          68KB

        • memory/2364-56-0x0000000007460000-0x00000000074F6000-memory.dmp

          Filesize

          600KB

        • memory/2364-55-0x0000000007250000-0x000000000725A000-memory.dmp

          Filesize

          40KB

        • memory/2364-54-0x00000000071E0000-0x00000000071FA000-memory.dmp

          Filesize

          104KB

        • memory/2364-53-0x0000000007830000-0x0000000007EAA000-memory.dmp

          Filesize

          6.5MB

        • memory/2364-15-0x00000000025E0000-0x0000000002616000-memory.dmp

          Filesize

          216KB

        • memory/2364-40-0x0000000006490000-0x00000000064C2000-memory.dmp

          Filesize

          200KB

        • memory/2364-61-0x0000000007500000-0x0000000007508000-memory.dmp

          Filesize

          32KB

        • memory/2364-60-0x0000000007520000-0x000000000753A000-memory.dmp

          Filesize

          104KB

        • memory/2364-20-0x0000000074710000-0x0000000074EC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2364-18-0x0000000074710000-0x0000000074EC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2364-21-0x0000000004E00000-0x0000000004E22000-memory.dmp

          Filesize

          136KB

        • memory/2364-22-0x0000000005700000-0x0000000005766000-memory.dmp

          Filesize

          408KB

        • memory/2364-64-0x0000000074710000-0x0000000074EC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2364-52-0x00000000070B0000-0x0000000007153000-memory.dmp

          Filesize

          652KB

        • memory/2364-23-0x0000000005820000-0x0000000005886000-memory.dmp

          Filesize

          408KB

        • memory/2364-35-0x00000000058D0000-0x0000000005C24000-memory.dmp

          Filesize

          3.3MB

        • memory/2364-16-0x0000000074710000-0x0000000074EC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2364-41-0x0000000074FA0000-0x0000000074FEC000-memory.dmp

          Filesize

          304KB

        • memory/2364-38-0x0000000005EB0000-0x0000000005ECE000-memory.dmp

          Filesize

          120KB

        • memory/2364-39-0x00000000061E0000-0x000000000622C000-memory.dmp

          Filesize

          304KB

        • memory/4216-10-0x0000000007B80000-0x0000000007C04000-memory.dmp

          Filesize

          528KB

        • memory/4216-7-0x00000000079E0000-0x00000000079FE000-memory.dmp

          Filesize

          120KB

        • memory/4216-37-0x0000000074710000-0x0000000074EC0000-memory.dmp

          Filesize

          7.7MB

        • memory/4216-1-0x00000000000A0000-0x000000000014E000-memory.dmp

          Filesize

          696KB

        • memory/4216-0-0x000000007471E000-0x000000007471F000-memory.dmp

          Filesize

          4KB

        • memory/4216-9-0x0000000006110000-0x0000000006126000-memory.dmp

          Filesize

          88KB

        • memory/4216-8-0x0000000005FD0000-0x0000000005FE0000-memory.dmp

          Filesize

          64KB

        • memory/4216-2-0x0000000005010000-0x00000000055B4000-memory.dmp

          Filesize

          5.6MB

        • memory/4216-6-0x0000000074710000-0x0000000074EC0000-memory.dmp

          Filesize

          7.7MB

        • memory/4216-5-0x0000000004C50000-0x0000000004CEC000-memory.dmp

          Filesize

          624KB

        • memory/4216-4-0x0000000004AF0000-0x0000000004AFA000-memory.dmp

          Filesize

          40KB

        • memory/4216-3-0x0000000004B00000-0x0000000004B92000-memory.dmp

          Filesize

          584KB

        • memory/4248-36-0x0000000074710000-0x0000000074EC0000-memory.dmp

          Filesize

          7.7MB

        • memory/4248-29-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/4248-66-0x0000000006ED0000-0x0000000006F20000-memory.dmp

          Filesize

          320KB

        • memory/4248-67-0x0000000074710000-0x0000000074EC0000-memory.dmp

          Filesize

          7.7MB