Analysis

  • max time kernel
    136s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 01:29

General

  • Target

    pkoNdZQQNOaLT6k.exe

  • Size

    654KB

  • MD5

    162fce899e7e7577b3fc87a477078fca

  • SHA1

    8382ec47a671f08f286a8c73296e502bb9320689

  • SHA256

    414863ddb693788354542ed707b5c9f41275909e9c29e79ca27291ebe6d40d3b

  • SHA512

    2e8549b0288cf2d5d121ee104303d8b4e27b5504f6eefc8bee62548fcf4b1d923c8ef2b4adb31b7178c09defd5a6831966892b2f1cb331194822359faf9e9e88

  • SSDEEP

    12288:N2o7HioaTnqnPeybA3uCT2mTsBj/JKuVGsI8UmUFWA9AqF9SBm2wbMGb43S:Mo7HTgYFMyBjhXVG0UmIGRE2wdb43S

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %qroUozO;(C2Rlyb

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\pkoNdZQQNOaLT6k.exe
    "C:\Users\Admin\AppData\Local\Temp\pkoNdZQQNOaLT6k.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4784
    • 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\pkoNdZQQNOaLT6k.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2352
    • C:\Users\Admin\AppData\Local\Temp\pkoNdZQQNOaLT6k.exe
      "C:\Users\Admin\AppData\Local\Temp\pkoNdZQQNOaLT6k.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\pkoNdZQQNOaLT6k.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r5mnz3q0.k54.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2352-51-0x00000000076A0000-0x00000000076BA000-memory.dmp

    Filesize

    104KB

  • memory/2352-54-0x0000000007890000-0x00000000078A1000-memory.dmp

    Filesize

    68KB

  • memory/2352-50-0x0000000007D00000-0x000000000837A000-memory.dmp

    Filesize

    6.5MB

  • memory/2352-24-0x0000000005CA0000-0x0000000005D06000-memory.dmp

    Filesize

    408KB

  • memory/2352-23-0x00000000054B0000-0x00000000054D2000-memory.dmp

    Filesize

    136KB

  • memory/2352-62-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2352-59-0x00000000079B0000-0x00000000079B8000-memory.dmp

    Filesize

    32KB

  • memory/2352-58-0x00000000079D0000-0x00000000079EA000-memory.dmp

    Filesize

    104KB

  • memory/2352-57-0x00000000078D0000-0x00000000078E4000-memory.dmp

    Filesize

    80KB

  • memory/2352-49-0x00000000075D0000-0x0000000007673000-memory.dmp

    Filesize

    652KB

  • memory/2352-56-0x00000000078C0000-0x00000000078CE000-memory.dmp

    Filesize

    56KB

  • memory/2352-48-0x00000000069A0000-0x00000000069BE000-memory.dmp

    Filesize

    120KB

  • memory/2352-37-0x0000000006930000-0x0000000006962000-memory.dmp

    Filesize

    200KB

  • memory/2352-16-0x0000000004DB0000-0x0000000004DE6000-memory.dmp

    Filesize

    216KB

  • memory/2352-38-0x0000000070A70000-0x0000000070ABC000-memory.dmp

    Filesize

    304KB

  • memory/2352-52-0x0000000007700000-0x000000000770A000-memory.dmp

    Filesize

    40KB

  • memory/2352-19-0x0000000005540000-0x0000000005B68000-memory.dmp

    Filesize

    6.2MB

  • memory/2352-20-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2352-21-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2352-36-0x0000000006420000-0x000000000646C000-memory.dmp

    Filesize

    304KB

  • memory/2352-35-0x0000000006370000-0x000000000638E000-memory.dmp

    Filesize

    120KB

  • memory/2352-53-0x0000000007910000-0x00000000079A6000-memory.dmp

    Filesize

    600KB

  • memory/2352-17-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2352-34-0x0000000005E80000-0x00000000061D4000-memory.dmp

    Filesize

    3.3MB

  • memory/2996-63-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-22-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-18-0x0000000005530000-0x0000000005596000-memory.dmp

    Filesize

    408KB

  • memory/2996-55-0x0000000006A30000-0x0000000006A80000-memory.dmp

    Filesize

    320KB

  • memory/2996-15-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2996-64-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4784-4-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

    Filesize

    40KB

  • memory/4784-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

    Filesize

    4KB

  • memory/4784-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp

    Filesize

    584KB

  • memory/4784-1-0x00000000003B0000-0x000000000045A000-memory.dmp

    Filesize

    680KB

  • memory/4784-14-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4784-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

    Filesize

    5.6MB

  • memory/4784-10-0x0000000006430000-0x00000000064B6000-memory.dmp

    Filesize

    536KB

  • memory/4784-9-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4784-8-0x00000000052F0000-0x0000000005302000-memory.dmp

    Filesize

    72KB

  • memory/4784-7-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

    Filesize

    4KB

  • memory/4784-6-0x0000000005150000-0x00000000051EC000-memory.dmp

    Filesize

    624KB

  • memory/4784-5-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB