Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2024 01:17

General

  • Target

    a42865d911ea4df9331b1f440a3c88936caadaed341ee3fd2ffee58436c1ba4e.exe

  • Size

    669KB

  • MD5

    fafd92db507c1863735ab383ae38f02e

  • SHA1

    96939402ae7616b79ec98e1ce9bd6e74613c95ac

  • SHA256

    a42865d911ea4df9331b1f440a3c88936caadaed341ee3fd2ffee58436c1ba4e

  • SHA512

    6a40a726fa7c432cbb3e197a6f6b44b3c313f036ec7d3b4378dee7dc771e3f070c3d4f6d44e153d63cbd8d2cc50a2e3c1334fc1d4e2ccf8b36b98193bd61b59f

  • SSDEEP

    12288:mFLK1DSKw+bEi/LsdatSrqfLTHWsnt3BRnzSwRe9nICPO:mFiDSKZDSaUrqja47nWaeJnPO

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @BPkIlloCGraceD7@1

Extracted

Family

agenttesla

Credentials

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.

  • Suspicious use of SetThreadContext 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\a42865d911ea4df9331b1f440a3c88936caadaed341ee3fd2ffee58436c1ba4e.exe
    "C:\Users\Admin\AppData\Local\Temp\a42865d911ea4df9331b1f440a3c88936caadaed341ee3fd2ffee58436c1ba4e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Users\Admin\AppData\Local\Temp\a42865d911ea4df9331b1f440a3c88936caadaed341ee3fd2ffee58436c1ba4e.exe
      "C:\Users\Admin\AppData\Local\Temp\a42865d911ea4df9331b1f440a3c88936caadaed341ee3fd2ffee58436c1ba4e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a42865d911ea4df9331b1f440a3c88936caadaed341ee3fd2ffee58436c1ba4e.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/932-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/932-19-0x00000000054C0000-0x00000000054D0000-memory.dmp

    Filesize

    64KB

  • memory/932-18-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/932-17-0x00000000061E0000-0x0000000006230000-memory.dmp

    Filesize

    320KB

  • memory/932-16-0x0000000005540000-0x00000000055A6000-memory.dmp

    Filesize

    408KB

  • memory/932-15-0x00000000054C0000-0x00000000054D0000-memory.dmp

    Filesize

    64KB

  • memory/932-14-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4512-8-0x0000000006FE0000-0x0000000007062000-memory.dmp

    Filesize

    520KB

  • memory/4512-9-0x0000000009610000-0x00000000096AC000-memory.dmp

    Filesize

    624KB

  • memory/4512-1-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4512-7-0x0000000005C60000-0x0000000005C6C000-memory.dmp

    Filesize

    48KB

  • memory/4512-13-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4512-6-0x0000000005C30000-0x0000000005C4A000-memory.dmp

    Filesize

    104KB

  • memory/4512-4-0x0000000005CB0000-0x0000000005CC0000-memory.dmp

    Filesize

    64KB

  • memory/4512-5-0x0000000005B50000-0x0000000005B5A000-memory.dmp

    Filesize

    40KB

  • memory/4512-0-0x0000000000F20000-0x0000000000FCE000-memory.dmp

    Filesize

    696KB

  • memory/4512-3-0x0000000005A60000-0x0000000005AF2000-memory.dmp

    Filesize

    584KB

  • memory/4512-2-0x0000000006010000-0x00000000065B4000-memory.dmp

    Filesize

    5.6MB