Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 13:04

General

  • Target

    1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e.exe

  • Size

    917KB

  • MD5

    6ee05d4dd363d273ce38c497b1238db1

  • SHA1

    7c4f86c5edfe9cf5d1955c4af44cd8d0a25a0f0a

  • SHA256

    1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e

  • SHA512

    db37e14f851f0d2de99cff71a720b72f12db0b388c60f0f89e83f2493364bf8bc72eb2a98dcae065c532a2541fc42ddb199d679b1dab91c6bc426925622e3709

  • SSDEEP

    24576:6yK3B4Tw/bf4vQJTg4i0pMyR++/PhNt96WVp:6N94yU4i0WyD/36WV

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e.exe
    "C:\Users\Admin\AppData\Local\Temp\1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Users\Admin\AppData\Local\Temp\1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e.exe
      "C:\Users\Admin\AppData\Local\Temp\1a88cd1b38768b690166ed6a6647ca7e975a68b7112c0e938cdfaaea8d509c9e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2164-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2164-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-20-0x0000000074820000-0x0000000074F0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-6-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-21-0x0000000074820000-0x0000000074F0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2164-18-0x0000000074820000-0x0000000074F0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2864-5-0x0000000004F20000-0x0000000004FA2000-memory.dmp

    Filesize

    520KB

  • memory/2864-0-0x000000007482E000-0x000000007482F000-memory.dmp

    Filesize

    4KB

  • memory/2864-3-0x0000000000490000-0x00000000004AA000-memory.dmp

    Filesize

    104KB

  • memory/2864-2-0x0000000074820000-0x0000000074F0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2864-17-0x0000000074820000-0x0000000074F0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2864-1-0x00000000000D0000-0x00000000001BC000-memory.dmp

    Filesize

    944KB

  • memory/2864-4-0x0000000000340000-0x0000000000350000-memory.dmp

    Filesize

    64KB