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Analysis

  • max time kernel
    147s
  • max time network
    202s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 11:28

General

  • Target

    61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe

  • Size

    644KB

  • MD5

    b5de7d490104abb8d55f5d8ecf394c8d

  • SHA1

    8217f73bdcb5c09f2090ad194fc0e236cf3335e8

  • SHA256

    61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069

  • SHA512

    324b53b9afad07350bf070fd200d8bec8c75c6179380bf94b07360726f4433d77ded8e19c52ec827b44b0f6f8e5c0130177f7317fa7962cc0e44b00e18f79243

  • SSDEEP

    12288:O2iNMyiRJU/WcpH96o4rhmzKOH6JhaMzSekgd21JlXq1yRBTK4:O1FFeuRmozHHk4ebEPBTK

Malware Config

Extracted

Family

agenttesla

Credentials

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe
    "C:\Users\Admin\AppData\Local\Temp\61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Users\Admin\AppData\Local\Temp\61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe
      "C:\Users\Admin\AppData\Local\Temp\61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/548-10-0x0000000006100000-0x000000000617C000-memory.dmp

    Filesize

    496KB

  • memory/548-2-0x0000000005830000-0x0000000005DD4000-memory.dmp

    Filesize

    5.6MB

  • memory/548-3-0x0000000005190000-0x0000000005222000-memory.dmp

    Filesize

    584KB

  • memory/548-4-0x0000000005390000-0x00000000053A0000-memory.dmp

    Filesize

    64KB

  • memory/548-5-0x0000000005230000-0x000000000523A000-memory.dmp

    Filesize

    40KB

  • memory/548-6-0x0000000005240000-0x000000000525A000-memory.dmp

    Filesize

    104KB

  • memory/548-7-0x00000000750E0000-0x0000000075890000-memory.dmp

    Filesize

    7.7MB

  • memory/548-8-0x0000000005390000-0x00000000053A0000-memory.dmp

    Filesize

    64KB

  • memory/548-0-0x00000000750E0000-0x0000000075890000-memory.dmp

    Filesize

    7.7MB

  • memory/548-9-0x0000000005180000-0x000000000518C000-memory.dmp

    Filesize

    48KB

  • memory/548-1-0x00000000006F0000-0x0000000000798000-memory.dmp

    Filesize

    672KB

  • memory/548-17-0x00000000750E0000-0x0000000075890000-memory.dmp

    Filesize

    7.7MB

  • memory/548-11-0x0000000007460000-0x00000000074FC000-memory.dmp

    Filesize

    624KB

  • memory/1448-15-0x00000000750E0000-0x0000000075890000-memory.dmp

    Filesize

    7.7MB

  • memory/1448-16-0x0000000004F30000-0x0000000004F40000-memory.dmp

    Filesize

    64KB

  • memory/1448-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1448-18-0x00000000051F0000-0x0000000005256000-memory.dmp

    Filesize

    408KB

  • memory/1448-19-0x00000000750E0000-0x0000000075890000-memory.dmp

    Filesize

    7.7MB

  • memory/1448-20-0x0000000004F30000-0x0000000004F40000-memory.dmp

    Filesize

    64KB

  • memory/1448-21-0x0000000006780000-0x00000000067D0000-memory.dmp

    Filesize

    320KB