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Analysis

  • max time kernel
    73s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/02/2023, 15:22

General

  • Target

    AWB NO. 8148557141.exe

  • Size

    792KB

  • MD5

    a169ae631ac877e4e89d595b6ba03600

  • SHA1

    4589dd4afc4a6c9423ddba7442137e5beb502fb0

  • SHA256

    c1add17549206e0ea3e1025ec81ff8d7e5ae994381600ec84d33eeab50ea7232

  • SHA512

    f2a639c226a6e092c664921fcb99dba63ca564e024f0be3b364951c55a842a5767a95c79f7afd1d61400c01c396eb346346e110f18e744613008def4d0e0bcf3

  • SSDEEP

    12288:Nrt0wdeWKBp5gYcjzioNo5IhMbmfEJhJm6I6awHRr/CB06KuLpgbDDlG:NrGV7p55Ki7WhMKfCm6xawxO5dgZ

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6191932863:AAEw6WZfMHSbIiilSKsmAnJOgaZwvnoMVh8/

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AWB NO. 8148557141.exe
    "C:\Users\Admin\AppData\Local\Temp\AWB NO. 8148557141.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\AWB NO. 8148557141.exe
      "C:\Users\Admin\AppData\Local\Temp\AWB NO. 8148557141.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1192

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1192-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1192-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1192-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1192-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1192-60-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1192-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1192-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1516-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

    Filesize

    8KB

  • memory/1516-54-0x0000000000110000-0x00000000001DC000-memory.dmp

    Filesize

    816KB

  • memory/1516-59-0x0000000000640000-0x0000000000672000-memory.dmp

    Filesize

    200KB

  • memory/1516-58-0x0000000005070000-0x00000000050FC000-memory.dmp

    Filesize

    560KB

  • memory/1516-57-0x00000000004B0000-0x00000000004BC000-memory.dmp

    Filesize

    48KB

  • memory/1516-56-0x00000000002E0000-0x00000000002F4000-memory.dmp

    Filesize

    80KB