Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:07

General

  • Target

    bf2fe7c94a2bfdc7c066cdecedfc4b76ded49fd90d8c93b6deeebe777c198c2d.exe

  • Size

    757KB

  • MD5

    8bb3c4d2c945a5b91bb1bbe6845b1528

  • SHA1

    dc78fba7c16e9d12cc1b79f81db12d016b189c5c

  • SHA256

    bf2fe7c94a2bfdc7c066cdecedfc4b76ded49fd90d8c93b6deeebe777c198c2d

  • SHA512

    11fd206dcc448d966581c635bda32ac5072531f8d69f964b1258c49a71dae0100155592e23542707857db639f4c0b9504698512ee5d4de60a2a0d6bb2e2ce71d

  • SSDEEP

    12288:tZSKFyn1MMQqC3xQlqjmD/Oi/A1wMb+g14n16NXiACR5leZlN:tZZFy1MMQ93OlqjOf/eSln4piA+er

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.jeepcommerce.rs
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Cgn+Udqt0F%y

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.

  • 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 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf2fe7c94a2bfdc7c066cdecedfc4b76ded49fd90d8c93b6deeebe777c198c2d.exe
    "C:\Users\Admin\AppData\Local\Temp\bf2fe7c94a2bfdc7c066cdecedfc4b76ded49fd90d8c93b6deeebe777c198c2d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2256
    • 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\bf2fe7c94a2bfdc7c066cdecedfc4b76ded49fd90d8c93b6deeebe777c198c2d.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2256-0-0x000000007414E000-0x000000007414F000-memory.dmp

    Filesize

    4KB

  • memory/2256-1-0x0000000000C10000-0x0000000000CD4000-memory.dmp

    Filesize

    784KB

  • memory/2256-2-0x0000000074140000-0x000000007482E000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-3-0x0000000000550000-0x0000000000572000-memory.dmp

    Filesize

    136KB

  • memory/2256-4-0x0000000000380000-0x0000000000390000-memory.dmp

    Filesize

    64KB

  • memory/2256-5-0x0000000005B70000-0x0000000005BF4000-memory.dmp

    Filesize

    528KB

  • memory/2256-6-0x0000000005F00000-0x0000000005F42000-memory.dmp

    Filesize

    264KB

  • memory/2256-9-0x000000007414E000-0x000000007414F000-memory.dmp

    Filesize

    4KB

  • memory/2256-10-0x0000000074140000-0x000000007482E000-memory.dmp

    Filesize

    6.9MB