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Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2023, 05:58

General

  • Target

    SWIFT COPY MT103.pdf.exe

  • Size

    585KB

  • MD5

    ecfa344adc08c80b1717abc337753e9b

  • SHA1

    51ace356a871e5831eab17758ff982130f542ed1

  • SHA256

    0246246b1452e63b1eea7a93f73e9edfde5e1b4c41d32d44ea100aa0ba7d4b3b

  • SHA512

    14754c4e73c523cf011018f8ea0010219540df69821b96c19bded399d2fcdff5afcfe303c220a77b2ecd64ab203f8eeb63e18ba7d180f8f6488943364a63c0e5

  • SSDEEP

    12288:C7EYqCDl+CDfeY7oiNG3bHfiBmg54cZMl3OXIcDpAafwYaeMZ0U:43v7oi83bHfag3O4e2afwYFy0U

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5752794370:AAGHbBIUSUvwQW5dpdi3bNZyPbHwpEPD5r0/

Signatures

  • AgentTesla

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWIFT COPY MT103.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFT COPY MT103.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\SWIFT COPY MT103.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SWIFT COPY MT103.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SWIFT COPY MT103.pdf.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1412-142-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1412-151-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/1412-150-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1412-149-0x0000000006B30000-0x0000000006B80000-memory.dmp

    Filesize

    320KB

  • memory/1412-148-0x0000000005EF0000-0x0000000005F56000-memory.dmp

    Filesize

    408KB

  • memory/1412-147-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/1412-146-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3068-137-0x0000000005790000-0x00000000057A0000-memory.dmp

    Filesize

    64KB

  • memory/3068-141-0x000000000B1B0000-0x000000000B24C000-memory.dmp

    Filesize

    624KB

  • memory/3068-140-0x0000000005790000-0x00000000057A0000-memory.dmp

    Filesize

    64KB

  • memory/3068-145-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3068-139-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3068-138-0x0000000005990000-0x000000000599A000-memory.dmp

    Filesize

    40KB

  • memory/3068-133-0x0000000000D90000-0x0000000000E28000-memory.dmp

    Filesize

    608KB

  • memory/3068-136-0x00000000057D0000-0x0000000005862000-memory.dmp

    Filesize

    584KB

  • memory/3068-135-0x0000000005CE0000-0x0000000006284000-memory.dmp

    Filesize

    5.6MB

  • memory/3068-134-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB