Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-04-2024 01:17

General

  • Target

    8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe

  • Size

    635KB

  • MD5

    38119066372f48de19e43a2664c0289d

  • SHA1

    20db4f6c76b733bc2fb10c7f170c3f3de2f3e8ea

  • SHA256

    8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342

  • SHA512

    7aa06010d4f5e5fdec3f1b60680ae4b9ead8c43dc4a2ebe42e8cc2e60bc10014ffdd8504b71b4d5ef46f21421fee7e217c1c75f015c6847a55f6e8219417a596

  • SSDEEP

    12288:WlPloOJRYWq25Q93vEIdu+6RytEEbU+pOS7O51pny5/sH0Z0YXdqipb0b92wj7zl:g9oOJbX8fztPbZoxXpny5/NZ0mqpb8Cl

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.karpackkasa.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    s+Cy(S[tx4MC

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • 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).

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe
    "C:\Users\Admin\AppData\Local\Temp\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5092
    • C:\Users\Admin\AppData\Local\Temp\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe
      "C:\Users\Admin\AppData\Local\Temp\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8ec592f737b91101e7a8f23527f9098aeeaa0929a958b681292dac24f410d342.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n10gofoy.xhf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2884-10-0x00000000091F0000-0x000000000928C000-memory.dmp

    Filesize

    624KB

  • memory/2884-0-0x00000000009A0000-0x0000000000A44000-memory.dmp

    Filesize

    656KB

  • memory/2884-4-0x00000000055D0000-0x00000000055E0000-memory.dmp

    Filesize

    64KB

  • memory/2884-5-0x0000000005450000-0x000000000545A000-memory.dmp

    Filesize

    40KB

  • memory/2884-6-0x0000000006A70000-0x0000000006A84000-memory.dmp

    Filesize

    80KB

  • memory/2884-7-0x0000000006A90000-0x0000000006A98000-memory.dmp

    Filesize

    32KB

  • memory/2884-8-0x0000000006AB0000-0x0000000006ABC000-memory.dmp

    Filesize

    48KB

  • memory/2884-9-0x0000000006B20000-0x0000000006BA2000-memory.dmp

    Filesize

    520KB

  • memory/2884-1-0x0000000074820000-0x0000000074FD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-3-0x0000000005470000-0x0000000005502000-memory.dmp

    Filesize

    584KB

  • memory/2884-2-0x0000000005940000-0x0000000005EE4000-memory.dmp

    Filesize

    5.6MB

  • memory/2884-15-0x0000000074820000-0x0000000074FD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4580-16-0x00000000056D0000-0x00000000056E0000-memory.dmp

    Filesize

    64KB

  • memory/4580-17-0x00000000056E0000-0x0000000005746000-memory.dmp

    Filesize

    408KB

  • memory/4580-66-0x00000000056D0000-0x00000000056E0000-memory.dmp

    Filesize

    64KB

  • memory/4580-65-0x0000000074820000-0x0000000074FD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-57-0x0000000006590000-0x00000000065E0000-memory.dmp

    Filesize

    320KB

  • memory/4580-14-0x0000000074820000-0x0000000074FD0000-memory.dmp

    Filesize

    7.7MB

  • memory/5092-23-0x0000000005710000-0x0000000005776000-memory.dmp

    Filesize

    408KB

  • memory/5092-53-0x0000000007930000-0x000000000794A000-memory.dmp

    Filesize

    104KB

  • memory/5092-20-0x0000000005880000-0x0000000005EA8000-memory.dmp

    Filesize

    6.2MB

  • memory/5092-33-0x0000000006120000-0x0000000006474000-memory.dmp

    Filesize

    3.3MB

  • memory/5092-34-0x0000000006600000-0x000000000661E000-memory.dmp

    Filesize

    120KB

  • memory/5092-35-0x0000000006630000-0x000000000667C000-memory.dmp

    Filesize

    304KB

  • memory/5092-37-0x0000000006BC0000-0x0000000006BF2000-memory.dmp

    Filesize

    200KB

  • memory/5092-36-0x000000007FB40000-0x000000007FB50000-memory.dmp

    Filesize

    64KB

  • memory/5092-38-0x00000000704A0000-0x00000000704EC000-memory.dmp

    Filesize

    304KB

  • memory/5092-49-0x0000000005240000-0x0000000005250000-memory.dmp

    Filesize

    64KB

  • memory/5092-48-0x0000000006B90000-0x0000000006BAE000-memory.dmp

    Filesize

    120KB

  • memory/5092-50-0x0000000007820000-0x00000000078C3000-memory.dmp

    Filesize

    652KB

  • memory/5092-52-0x0000000007F70000-0x00000000085EA000-memory.dmp

    Filesize

    6.5MB

  • memory/5092-22-0x0000000005670000-0x0000000005692000-memory.dmp

    Filesize

    136KB

  • memory/5092-54-0x00000000079A0000-0x00000000079AA000-memory.dmp

    Filesize

    40KB

  • memory/5092-55-0x0000000007BB0000-0x0000000007C46000-memory.dmp

    Filesize

    600KB

  • memory/5092-56-0x0000000007B30000-0x0000000007B41000-memory.dmp

    Filesize

    68KB

  • memory/5092-58-0x0000000007B60000-0x0000000007B6E000-memory.dmp

    Filesize

    56KB

  • memory/5092-21-0x0000000005240000-0x0000000005250000-memory.dmp

    Filesize

    64KB

  • memory/5092-59-0x0000000007B70000-0x0000000007B84000-memory.dmp

    Filesize

    80KB

  • memory/5092-60-0x0000000007C70000-0x0000000007C8A000-memory.dmp

    Filesize

    104KB

  • memory/5092-61-0x0000000007C50000-0x0000000007C58000-memory.dmp

    Filesize

    32KB

  • memory/5092-64-0x0000000074820000-0x0000000074FD0000-memory.dmp

    Filesize

    7.7MB

  • memory/5092-19-0x0000000074820000-0x0000000074FD0000-memory.dmp

    Filesize

    7.7MB

  • memory/5092-18-0x0000000002D00000-0x0000000002D36000-memory.dmp

    Filesize

    216KB