Analysis

  • max time kernel
    118s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 02:37

General

  • Target

    f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe

  • Size

    768KB

  • MD5

    aa2e0331db7bdc7c4a51a4d9ca2f4832

  • SHA1

    fc6ee67838401e8cbcef4e2c547d06cb56f12628

  • SHA256

    f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad

  • SHA512

    42c7e114bd9fa67301724481c893bfaa95ec633b53328d157b95e26fe6c4ca29e29cbda5ac0bcc73577865d18d4c3875fc2c08f6747f4ec926868e41c20957c3

  • SSDEEP

    12288:+IeWET/mr9K+22BEEzFatnhghS5+v+DUVNf5MWl0axTbo+i1Cv7z2CjH8mri7jY3:OWtb3BEMhS5qOk5SVC+CjcmWg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.deblokhoeve.be
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Blokhoeve2490.i

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • 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.

  • 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 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).

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe
    "C:\Users\Admin\AppData\Local\Temp\f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\saPiRlsccSHapA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2760
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\saPiRlsccSHapA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp57C1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2592
    • C:\Users\Admin\AppData\Local\Temp\f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe
      "C:\Users\Admin\AppData\Local\Temp\f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab6F87.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar6F9A.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\AppData\Local\Temp\tmp57C1.tmp

    Filesize

    1KB

    MD5

    02ceff08eac24f90133a59d885fd7fd1

    SHA1

    0fc6c4a38a35f5cee7dcd5f58ecad8f61abfd5af

    SHA256

    0a8e1c82190fccc02c1537323f50b3254c9fb9686f09c058652de7c6d9806b41

    SHA512

    f755de8b2b14b3e4dce89c42628ffd6bda5c11d37ac31aba53d5235ccd0d91298b730050aef8d01d1f026235a5a5709fb4cd42c267294ac630d59bfae739ed34

  • memory/1824-26-0x000000007414E000-0x000000007414F000-memory.dmp

    Filesize

    4KB

  • memory/1824-1-0x0000000000CB0000-0x0000000000D76000-memory.dmp

    Filesize

    792KB

  • memory/1824-2-0x0000000074140000-0x000000007482E000-memory.dmp

    Filesize

    6.9MB

  • memory/1824-3-0x00000000004D0000-0x00000000004F2000-memory.dmp

    Filesize

    136KB

  • memory/1824-4-0x0000000000260000-0x000000000026C000-memory.dmp

    Filesize

    48KB

  • memory/1824-5-0x0000000000430000-0x0000000000440000-memory.dmp

    Filesize

    64KB

  • memory/1824-6-0x000000000D200000-0x000000000D286000-memory.dmp

    Filesize

    536KB

  • memory/1824-0-0x000000007414E000-0x000000007414F000-memory.dmp

    Filesize

    4KB

  • memory/1824-27-0x0000000074140000-0x000000007482E000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-24-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2408-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2408-18-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2408-16-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2408-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2408-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2408-25-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2408-14-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB