Analysis

  • max time kernel
    137s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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

Credentials

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

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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:3688
    • 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:228
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3240,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4316 /prefetch:8
    1⤵
      PID:5108

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/228-10-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/228-17-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/228-16-0x0000000006C40000-0x0000000006C90000-memory.dmp

      Filesize

      320KB

    • memory/228-15-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/228-14-0x00000000056C0000-0x0000000005726000-memory.dmp

      Filesize

      408KB

    • memory/228-12-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3688-8-0x0000000006A70000-0x0000000006AF2000-memory.dmp

      Filesize

      520KB

    • memory/3688-7-0x0000000006440000-0x0000000006450000-memory.dmp

      Filesize

      64KB

    • memory/3688-0-0x000000007493E000-0x000000007493F000-memory.dmp

      Filesize

      4KB

    • memory/3688-9-0x00000000090D0000-0x000000000916C000-memory.dmp

      Filesize

      624KB

    • memory/3688-6-0x0000000005610000-0x000000000562A000-memory.dmp

      Filesize

      104KB

    • memory/3688-5-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3688-13-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3688-4-0x0000000005100000-0x000000000510A000-memory.dmp

      Filesize

      40KB

    • memory/3688-3-0x0000000005130000-0x00000000051C2000-memory.dmp

      Filesize

      584KB

    • memory/3688-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

      Filesize

      5.6MB

    • memory/3688-1-0x0000000000600000-0x00000000006EC000-memory.dmp

      Filesize

      944KB