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Analysis

  • max time kernel
    55s
  • max time network
    118s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    08/10/2022, 05:35

General

  • Target

    6713a526ffb1f9608dfb3769e696aff9908b0fc018447639c94c71f46dfe7ebe.exe

  • Size

    512KB

  • MD5

    32acba7de5b9787e4e4b90b9b66b4918

  • SHA1

    206479b671e649c26c2e25dfafe3d7a8662407d5

  • SHA256

    6713a526ffb1f9608dfb3769e696aff9908b0fc018447639c94c71f46dfe7ebe

  • SHA512

    20eb9460c6d46e5e3f6e8e0de98ed7dc301b7a72428ddcc05587b3fa250d82fad53a20a265367c340d7ae4a73d3007055afa0218f1c1622bc8867eda0f3ca1f3

  • SSDEEP

    12288:oNSAlgqypGV/e/G7Gi2GrQJQx9Lnc+TU6yNViy:oNnlgqy0V/e41UJM9LncR6yNYy

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Golddigger147

Signatures

  • AgentTesla

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6713a526ffb1f9608dfb3769e696aff9908b0fc018447639c94c71f46dfe7ebe.exe
    "C:\Users\Admin\AppData\Local\Temp\6713a526ffb1f9608dfb3769e696aff9908b0fc018447639c94c71f46dfe7ebe.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\rguew.exe
      "C:\Users\Admin\AppData\Local\Temp\rguew.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3996
      • C:\Users\Admin\AppData\Local\Temp\rguew.exe
        "C:\Users\Admin\AppData\Local\Temp\rguew.exe"
        3⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\dgqhzgy.tib

    Filesize

    287KB

    MD5

    0527bd6614a1d0d215f2ff1e021559de

    SHA1

    c374abe204aeb1a6bcd34485cb1d3eebae33d9d6

    SHA256

    bc91a452a0e64338d002f18c99acdb758936d10284bf025630a57857a14d5588

    SHA512

    ff431163aaa81693e10cc46b4a82eb4ad214945d6b1f1b701d25b903b89baea474ad373ad63a6cec351308525bef01379dff917079d5985b58557dd610f44a10

  • C:\Users\Admin\AppData\Local\Temp\rguew.exe

    Filesize

    73KB

    MD5

    c3fa6b5e978b218f1dd5c554cf68c5fc

    SHA1

    a31ab0fa508e0fe8cc58a9e30aba60f810652614

    SHA256

    2c5032bb923c9e5cc554e887c6ff505d1796cf0635f4213a4a8e3625f3c5731e

    SHA512

    a9de7f51009ae02203da3bc97671f695e24ef64025d1095b0279bab963129c1f624f8314efbeaf7a1b9183c0a311364d051e28d8d92217fad10a66be75f97791

  • C:\Users\Admin\AppData\Local\Temp\rguew.exe

    Filesize

    73KB

    MD5

    c3fa6b5e978b218f1dd5c554cf68c5fc

    SHA1

    a31ab0fa508e0fe8cc58a9e30aba60f810652614

    SHA256

    2c5032bb923c9e5cc554e887c6ff505d1796cf0635f4213a4a8e3625f3c5731e

    SHA512

    a9de7f51009ae02203da3bc97671f695e24ef64025d1095b0279bab963129c1f624f8314efbeaf7a1b9183c0a311364d051e28d8d92217fad10a66be75f97791

  • C:\Users\Admin\AppData\Local\Temp\rguew.exe

    Filesize

    73KB

    MD5

    c3fa6b5e978b218f1dd5c554cf68c5fc

    SHA1

    a31ab0fa508e0fe8cc58a9e30aba60f810652614

    SHA256

    2c5032bb923c9e5cc554e887c6ff505d1796cf0635f4213a4a8e3625f3c5731e

    SHA512

    a9de7f51009ae02203da3bc97671f695e24ef64025d1095b0279bab963129c1f624f8314efbeaf7a1b9183c0a311364d051e28d8d92217fad10a66be75f97791

  • C:\Users\Admin\AppData\Local\Temp\vnqnqa.uu

    Filesize

    4KB

    MD5

    ae49b1535222ef3419fdda6350043525

    SHA1

    0a651d4e2be4c8573d3fb7a98c1d586742827053

    SHA256

    9476d63552425ce68374f86c88f985b299e44155fee130520b64cb2f0b9ac0b2

    SHA512

    6353f0b13e93c1cb331b2deb9b1510af2ad71625037c71b08b334c44bedf59dbc1e36b2e288dd713dec1360f1a35f92f15382613ff30e17485515103e37d0bf2

  • memory/1908-291-0x0000000006840000-0x00000000068D2000-memory.dmp

    Filesize

    584KB

  • memory/1908-293-0x00000000067F0000-0x00000000067FA000-memory.dmp

    Filesize

    40KB

  • memory/1908-268-0x0000000006030000-0x0000000006096000-memory.dmp

    Filesize

    408KB

  • memory/1908-266-0x0000000005F80000-0x0000000005F98000-memory.dmp

    Filesize

    96KB

  • memory/1908-254-0x0000000005210000-0x00000000052AC000-memory.dmp

    Filesize

    624KB

  • memory/1908-245-0x0000000005630000-0x0000000005B2E000-memory.dmp

    Filesize

    5.0MB

  • memory/1908-242-0x0000000002C30000-0x0000000002C6A000-memory.dmp

    Filesize

    232KB

  • memory/1968-149-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-158-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-126-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-127-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-128-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-129-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-130-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-131-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-132-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-133-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-134-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-135-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-136-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-137-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-138-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-139-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-140-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-141-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-142-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-143-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-144-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-145-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-146-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-147-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-148-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-124-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-150-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-151-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-152-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-153-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-154-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-155-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-156-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-125-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-157-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-116-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-117-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-118-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-119-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-120-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-121-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-122-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/1968-123-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-178-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-168-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-171-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-172-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-173-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-174-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-175-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-176-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-177-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-166-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-170-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-169-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-179-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-165-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-164-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-163-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-162-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-161-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-180-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-181-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB

  • memory/3996-182-0x0000000077290000-0x000000007741E000-memory.dmp

    Filesize

    1.6MB