Analysis

  • max time kernel
    125s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2023 16:38

General

  • Target

    Ödeme Transfer Dekontu.exe

  • Size

    959KB

  • MD5

    cab3421d092d00d9effab5cd8400958f

  • SHA1

    815a43fe808a893bbe1b736e722a168b6a6ce8ab

  • SHA256

    450add1beb1f7e147fe1bad4703b3cff106ec962e8137dcc3136cf681e9293be

  • SHA512

    ae5ed97ad10511136b701e7f7f1889a08501e5c426161b269433c6f11d437190bc5e47492f035c42afa55f1a0bb0a0921ce16ca439f98a787eaf1c02c9a3239c

  • SSDEEP

    12288:KCqvJ6IWVdN7wAn9pOVtJ7XLXbVp13uoeBd1kTTD:qvJ6VdN7/oVtBbXder6v

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1179958435408785428/jLjV5a_ciZdpd6t2s27CGCikXETJ6crcchofeUrAVpoZUDRhP4jkMHHhD4ltJmgZhIap

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ödeme Transfer Dekontu.exe
    "C:\Users\Admin\AppData\Local\Temp\Ödeme Transfer Dekontu.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:588
    • C:\Users\Admin\AppData\Local\Temp\Ödeme Transfer Dekontu.exe
      "C:\Users\Admin\AppData\Local\Temp\Ödeme Transfer Dekontu.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 1776
        3⤵
        • Program crash
        PID:4828
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5076 -ip 5076
    1⤵
      PID:4476

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Ödeme Transfer Dekontu.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/588-10-0x0000000009010000-0x00000000090AC000-memory.dmp

      Filesize

      624KB

    • memory/588-18-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/588-3-0x0000000004DF0000-0x0000000004E82000-memory.dmp

      Filesize

      584KB

    • memory/588-4-0x0000000005030000-0x0000000005040000-memory.dmp

      Filesize

      64KB

    • memory/588-5-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

      Filesize

      40KB

    • memory/588-6-0x0000000005440000-0x0000000005456000-memory.dmp

      Filesize

      88KB

    • memory/588-7-0x0000000005450000-0x0000000005458000-memory.dmp

      Filesize

      32KB

    • memory/588-11-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/588-9-0x0000000006970000-0x00000000069EC000-memory.dmp

      Filesize

      496KB

    • memory/588-2-0x0000000005460000-0x0000000005A04000-memory.dmp

      Filesize

      5.6MB

    • memory/588-8-0x0000000006680000-0x000000000668A000-memory.dmp

      Filesize

      40KB

    • memory/588-12-0x0000000005030000-0x0000000005040000-memory.dmp

      Filesize

      64KB

    • memory/588-0-0x0000000000380000-0x0000000000476000-memory.dmp

      Filesize

      984KB

    • memory/588-1-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/5076-19-0x00000000055C0000-0x00000000055D0000-memory.dmp

      Filesize

      64KB

    • memory/5076-17-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/5076-16-0x0000000005550000-0x00000000055B6000-memory.dmp

      Filesize

      408KB

    • memory/5076-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/5076-20-0x0000000006380000-0x00000000063D0000-memory.dmp

      Filesize

      320KB

    • memory/5076-21-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB