Analysis

  • max time kernel
    68s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2023 16:47

General

  • Target

    AWB NO. 1456977583.exe

  • Size

    944KB

  • MD5

    67ebc475e9308c4813ba1d3f5a447ab1

  • SHA1

    3cfb41dcb765b37dfa1dfb887fd4577db2d5f037

  • SHA256

    31c4050dc647c5bd89feca0aa84d283add7e27e5a3f64866096aebca7b4f862d

  • SHA512

    48146b6d84d4ea976c2fec7d9d5c492df9b80ae81cffe7e9f3d6bd6de7b9a336d26350c03c8ec8a0533ec3fb118cc28ac3d2df5a9d1593080c9d1d05f9cb842c

  • SSDEEP

    24576:vp1LYGDkjwJsoGlWL+1zzELVYQOpRVeBlni/mW8aSn43:vp5Y5UsoGl++JELVYfpRAB1S8b

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. 1456977583.exe
    "C:\Users\Admin\AppData\Local\Temp\AWB NO. 1456977583.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Users\Admin\AppData\Local\Temp\AWB NO. 1456977583.exe
      "C:\Users\Admin\AppData\Local\Temp\AWB NO. 1456977583.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1652

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/856-54-0x00000000009D0000-0x0000000000AC2000-memory.dmp

    Filesize

    968KB

  • memory/856-55-0x0000000075931000-0x0000000075933000-memory.dmp

    Filesize

    8KB

  • memory/856-56-0x00000000003F0000-0x0000000000404000-memory.dmp

    Filesize

    80KB

  • memory/856-57-0x00000000005C0000-0x00000000005CC000-memory.dmp

    Filesize

    48KB

  • memory/856-58-0x00000000056B0000-0x000000000573C000-memory.dmp

    Filesize

    560KB

  • memory/856-59-0x0000000004260000-0x0000000004292000-memory.dmp

    Filesize

    200KB

  • memory/1652-60-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1652-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1652-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1652-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1652-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1652-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1652-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB