Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 13:49

General

  • Target

    e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

  • Size

    705KB

  • MD5

    1c2e10456d4941fc03b4505745df986d

  • SHA1

    8e4a49017e5906846ed12440dae27f7c702bc64d

  • SHA256

    e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7

  • SHA512

    33480167a4cb3f0703e4f053b8ad83f9b2291a804e1cf6d14c27ac9272fce414a7a5793ff6ecd36c808a085fdb6e9b41b630322fa61de4fd2baff06847c7143b

  • SSDEEP

    12288:a/US0YOwqOp67LHOv8AzfetftWQkPV48wjNk+KmTGvUbIu0xCBUK4kogNCGSkR:qO7HLMzWf+CEmTGvK8CqK4kbNCGh

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    nl9.nlkoddos.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Myname321@

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Looks up external IP address via web service 3 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
    "C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3664
    • C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
      "C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3664-8-0x0000000006D10000-0x0000000006D94000-memory.dmp

    Filesize

    528KB

  • memory/3664-3-0x0000000005380000-0x0000000005412000-memory.dmp

    Filesize

    584KB

  • memory/3664-9-0x0000000009380000-0x000000000941C000-memory.dmp

    Filesize

    624KB

  • memory/3664-1-0x0000000074A20000-0x00000000751D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3664-5-0x0000000005520000-0x000000000552A000-memory.dmp

    Filesize

    40KB

  • memory/3664-6-0x0000000006CF0000-0x0000000006D0A000-memory.dmp

    Filesize

    104KB

  • memory/3664-7-0x0000000006540000-0x000000000654C000-memory.dmp

    Filesize

    48KB

  • memory/3664-0-0x00000000008C0000-0x0000000000974000-memory.dmp

    Filesize

    720KB

  • memory/3664-13-0x0000000074A20000-0x00000000751D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3664-2-0x0000000005890000-0x0000000005E34000-memory.dmp

    Filesize

    5.6MB

  • memory/3664-4-0x0000000005320000-0x0000000005330000-memory.dmp

    Filesize

    64KB

  • memory/4152-14-0x0000000074A20000-0x00000000751D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4152-19-0x00000000059C0000-0x00000000059D0000-memory.dmp

    Filesize

    64KB

  • memory/4152-15-0x00000000059C0000-0x00000000059D0000-memory.dmp

    Filesize

    64KB

  • memory/4152-16-0x00000000058F0000-0x0000000005956000-memory.dmp

    Filesize

    408KB

  • memory/4152-17-0x0000000007180000-0x00000000071D0000-memory.dmp

    Filesize

    320KB

  • memory/4152-18-0x0000000074A20000-0x00000000751D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4152-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB