Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:07

General

  • Target

    Shipping documents & bill of Lading_PDF.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. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 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.

  • 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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping documents & bill of Lading_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping documents & bill of Lading_PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3908
    • 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:4440
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\saPiRlsccSHapA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp99EE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1444
    • C:\Users\Admin\AppData\Local\Temp\Shipping documents & bill of Lading_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping documents & bill of Lading_PDF.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w2ou1ftn.a32.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp99EE.tmp

    Filesize

    1KB

    MD5

    76e48ade1f9f34550ac47e49bfde5380

    SHA1

    fd5d7d0c909df0f04d0dd229581a191ead51a238

    SHA256

    3aa47f02d1b5b990dd75fe102a5686fb8e144829923b7db931c1ea5fe52bd9ae

    SHA512

    2f7be8978e631064e4e87e72493df49db486b3a68b66c50d39bf0282c2ba56c0c5479f2d0b1fd678bde4c18b5e9ab695c4189f7e47075a174f3010d35e51103b

  • memory/956-69-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/956-59-0x0000000006A80000-0x0000000006AD0000-memory.dmp

    Filesize

    320KB

  • memory/956-25-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/956-27-0x00000000055B0000-0x0000000005616000-memory.dmp

    Filesize

    408KB

  • memory/956-26-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/956-22-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3908-14-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

    Filesize

    4KB

  • memory/3908-2-0x00000000060A0000-0x0000000006644000-memory.dmp

    Filesize

    5.6MB

  • memory/3908-10-0x0000000011110000-0x00000000111AC000-memory.dmp

    Filesize

    624KB

  • memory/3908-0-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

    Filesize

    4KB

  • memory/3908-1-0x0000000000FA0000-0x0000000001066000-memory.dmp

    Filesize

    792KB

  • memory/3908-8-0x0000000005500000-0x0000000005510000-memory.dmp

    Filesize

    64KB

  • memory/3908-18-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/3908-9-0x0000000006F20000-0x0000000006FA6000-memory.dmp

    Filesize

    536KB

  • memory/3908-3-0x0000000005AF0000-0x0000000005B82000-memory.dmp

    Filesize

    584KB

  • memory/3908-4-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/3908-7-0x0000000005C90000-0x0000000005C9C000-memory.dmp

    Filesize

    48KB

  • memory/3908-24-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/3908-6-0x0000000008340000-0x0000000008362000-memory.dmp

    Filesize

    136KB

  • memory/3908-5-0x0000000005A70000-0x0000000005A7A000-memory.dmp

    Filesize

    40KB

  • memory/4440-55-0x0000000007080000-0x0000000007123000-memory.dmp

    Filesize

    652KB

  • memory/4440-16-0x0000000004AC0000-0x0000000004AF6000-memory.dmp

    Filesize

    216KB

  • memory/4440-21-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4440-20-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4440-39-0x0000000005A90000-0x0000000005DE4000-memory.dmp

    Filesize

    3.3MB

  • memory/4440-40-0x0000000006080000-0x000000000609E000-memory.dmp

    Filesize

    120KB

  • memory/4440-41-0x0000000006110000-0x000000000615C000-memory.dmp

    Filesize

    304KB

  • memory/4440-44-0x0000000070F90000-0x0000000070FDC000-memory.dmp

    Filesize

    304KB

  • memory/4440-43-0x0000000006FF0000-0x0000000007022000-memory.dmp

    Filesize

    200KB

  • memory/4440-56-0x0000000007A60000-0x00000000080DA000-memory.dmp

    Filesize

    6.5MB

  • memory/4440-28-0x00000000050B0000-0x00000000050D2000-memory.dmp

    Filesize

    136KB

  • memory/4440-29-0x00000000051D0000-0x0000000005236000-memory.dmp

    Filesize

    408KB

  • memory/4440-54-0x0000000007030000-0x000000000704E000-memory.dmp

    Filesize

    120KB

  • memory/4440-58-0x0000000007410000-0x000000000741A000-memory.dmp

    Filesize

    40KB

  • memory/4440-19-0x0000000005240000-0x0000000005868000-memory.dmp

    Filesize

    6.2MB

  • memory/4440-60-0x0000000007620000-0x00000000076B6000-memory.dmp

    Filesize

    600KB

  • memory/4440-61-0x00000000075A0000-0x00000000075B1000-memory.dmp

    Filesize

    68KB

  • memory/4440-62-0x00000000075D0000-0x00000000075DE000-memory.dmp

    Filesize

    56KB

  • memory/4440-63-0x00000000075E0000-0x00000000075F4000-memory.dmp

    Filesize

    80KB

  • memory/4440-64-0x00000000076E0000-0x00000000076FA000-memory.dmp

    Filesize

    104KB

  • memory/4440-65-0x00000000076C0000-0x00000000076C8000-memory.dmp

    Filesize

    32KB

  • memory/4440-68-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/4440-57-0x0000000007190000-0x00000000071AA000-memory.dmp

    Filesize

    104KB