Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/03/2024, 07:55

General

  • Target

    remittance copy $58,670.00.exe

  • Size

    608KB

  • MD5

    dd7ac5f2109c2cc61763ae93e4fb955c

  • SHA1

    558e89789946fb4cfc3b63bc258ddfe23d42c558

  • SHA256

    84b2a0360556088e4aad29627d4ed15d53b18aa72d9d98b4b0d1be27916c681e

  • SHA512

    783124beae908538c6e19a710669fa7ea85a95778ca4ec06134d30599a284c3540752144f1fdc9c1cb8544f2cc13a7ddb478132a00075d93820952a13313bb87

  • SSDEEP

    12288:ptapNjL4yL4uaRt9f/JUfA2BMm/In4wqS77Eb7FnPgRh:DapFLXIt9fRUI2umawR4

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\remittance copy $58,670.00.exe
    "C:\Users\Admin\AppData\Local\Temp\remittance copy $58,670.00.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\remittance copy $58,670.00.exe
      "C:\Users\Admin\AppData\Local\Temp\remittance copy $58,670.00.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2184-1-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2184-0-0x00000000008D0000-0x000000000096E000-memory.dmp

    Filesize

    632KB

  • memory/2184-2-0x0000000000970000-0x00000000009B0000-memory.dmp

    Filesize

    256KB

  • memory/2184-3-0x0000000000280000-0x0000000000294000-memory.dmp

    Filesize

    80KB

  • memory/2184-4-0x0000000000750000-0x0000000000758000-memory.dmp

    Filesize

    32KB

  • memory/2184-5-0x0000000000760000-0x000000000076C000-memory.dmp

    Filesize

    48KB

  • memory/2184-6-0x0000000004850000-0x00000000048D2000-memory.dmp

    Filesize

    520KB

  • memory/2184-18-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2580-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-19-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-20-0x00000000048E0000-0x0000000004920000-memory.dmp

    Filesize

    256KB

  • memory/2580-21-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB