Analysis

  • max time kernel
    130s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 17:57

General

  • Target

    a54d15a4b46f819424bb2959c8b370cb.exe

  • Size

    901KB

  • MD5

    a54d15a4b46f819424bb2959c8b370cb

  • SHA1

    e880d488227b62ec183dc402e956f5dfdea94330

  • SHA256

    60c994d3d36e7f3acacb7d607b4efc3605315e6996f0380ac2d230c0f29a5e90

  • SHA512

    69a5309c418af73eebaa490c2b197c8ce4931736afb7482c4225107261afe2c4bde9ad0d020291be1dfbbdf9e9a7ee44161a0433f4a15c0c3517716694ef9d35

  • SSDEEP

    24576:trVW0KE7V1CZcnjzz1bZsg/xeM6ZjguzCoIVmXC:lbjz9xCS0Coumy

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5577155192:AAEz6ZTkghx2RsdTxeeE-sDulPHc5WQblVg/

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a54d15a4b46f819424bb2959c8b370cb.exe
    "C:\Users\Admin\AppData\Local\Temp\a54d15a4b46f819424bb2959c8b370cb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\a54d15a4b46f819424bb2959c8b370cb.exe
      "C:\Users\Admin\AppData\Local\Temp\a54d15a4b46f819424bb2959c8b370cb.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1184

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1184-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1184-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1184-70-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1184-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1184-66-0x0000000000437C2E-mapping.dmp

  • memory/1184-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1184-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1184-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1932-55-0x0000000076401000-0x0000000076403000-memory.dmp

    Filesize

    8KB

  • memory/1932-54-0x0000000000A50000-0x0000000000B38000-memory.dmp

    Filesize

    928KB

  • memory/1932-59-0x0000000005EA0000-0x0000000005F1C000-memory.dmp

    Filesize

    496KB

  • memory/1932-58-0x0000000008050000-0x0000000008104000-memory.dmp

    Filesize

    720KB

  • memory/1932-57-0x00000000004C0000-0x00000000004CC000-memory.dmp

    Filesize

    48KB

  • memory/1932-56-0x0000000000540000-0x0000000000558000-memory.dmp

    Filesize

    96KB