Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 01:40

General

  • Target

    7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b.exe

  • Size

    760KB

  • MD5

    8c63669cafe7157313a4f29899db4e47

  • SHA1

    c1392caea7dd55e08183f70e770ce2ef2beb6355

  • SHA256

    7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b

  • SHA512

    e769d0d6a73f6fcc587f6a932aef84996e6681dbace8611c9d5e31f897cbd7a2b9f92f5932e47868d19bba340bb1c788a81efac880701b2cdd36e8284040b85c

  • SSDEEP

    12288:n3MD3HH3DI+KVQbSyaXPkTywNyDpufXfccaXe2z67lXheeAEyPh6j2Q:3MjH3DIRVQfekTy42Aiz6N2zQ

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.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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.

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b.exe
    "C:\Users\Admin\AppData\Local\Temp\7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Users\Admin\AppData\Local\Temp\7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b.exe
      "C:\Users\Admin\AppData\Local\Temp\7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:388
  • 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=4360,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
    1⤵
      PID:4240

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7cbf4e7fdbd429d28e0eb54ca72a92f1af2cc6de478ef4a8f34643f1a3d8f71b.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/388-10-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/388-18-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/388-17-0x0000000005D20000-0x0000000005D70000-memory.dmp

      Filesize

      320KB

    • memory/388-16-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/388-15-0x0000000004F10000-0x0000000004F76000-memory.dmp

      Filesize

      408KB

    • memory/388-13-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/1856-4-0x00000000054B0000-0x00000000054BA000-memory.dmp

      Filesize

      40KB

    • memory/1856-8-0x0000000006930000-0x00000000069B2000-memory.dmp

      Filesize

      520KB

    • memory/1856-9-0x000000000A3F0000-0x000000000A48C000-memory.dmp

      Filesize

      624KB

    • memory/1856-7-0x0000000005A70000-0x0000000005A80000-memory.dmp

      Filesize

      64KB

    • memory/1856-6-0x0000000005A40000-0x0000000005A5A000-memory.dmp

      Filesize

      104KB

    • memory/1856-5-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/1856-14-0x0000000074810000-0x0000000074FC0000-memory.dmp

      Filesize

      7.7MB

    • memory/1856-0-0x000000007481E000-0x000000007481F000-memory.dmp

      Filesize

      4KB

    • memory/1856-3-0x0000000005400000-0x0000000005492000-memory.dmp

      Filesize

      584KB

    • memory/1856-2-0x0000000005AC0000-0x0000000006064000-memory.dmp

      Filesize

      5.6MB

    • memory/1856-1-0x0000000000950000-0x0000000000A14000-memory.dmp

      Filesize

      784KB