Analysis

  • max time kernel
    116s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 18:38

General

  • Target

    FedEx_AWB#53203024643.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:
    222@barceltricot.eu
  • Password:
    Myname321@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    nl9.nlkoddos.com
  • Port:
    587
  • Username:
    222@barceltricot.eu
  • Password:
    Myname321@
  • Email To:
    matto2@cyberia-lb.com

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FedEx_AWB#53203024643.exe
    "C:\Users\Admin\AppData\Local\Temp\FedEx_AWB#53203024643.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Users\Admin\AppData\Local\Temp\FedEx_AWB#53203024643.exe
      "C:\Users\Admin\AppData\Local\Temp\FedEx_AWB#53203024643.exe"
      2⤵
        PID:4000
      • C:\Users\Admin\AppData\Local\Temp\FedEx_AWB#53203024643.exe
        "C:\Users\Admin\AppData\Local\Temp\FedEx_AWB#53203024643.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4980

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FedEx_AWB#53203024643.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/4756-8-0x0000000007370000-0x00000000073F4000-memory.dmp
      Filesize

      528KB

    • memory/4756-3-0x0000000005990000-0x0000000005A22000-memory.dmp
      Filesize

      584KB

    • memory/4756-9-0x0000000008700000-0x000000000879C000-memory.dmp
      Filesize

      624KB

    • memory/4756-0-0x0000000000F40000-0x0000000000FF4000-memory.dmp
      Filesize

      720KB

    • memory/4756-5-0x0000000005A40000-0x0000000005A4A000-memory.dmp
      Filesize

      40KB

    • memory/4756-6-0x0000000005BA0000-0x0000000005BBA000-memory.dmp
      Filesize

      104KB

    • memory/4756-7-0x0000000005B70000-0x0000000005B7C000-memory.dmp
      Filesize

      48KB

    • memory/4756-1-0x0000000074E50000-0x0000000075600000-memory.dmp
      Filesize

      7.7MB

    • memory/4756-13-0x0000000074E50000-0x0000000075600000-memory.dmp
      Filesize

      7.7MB

    • memory/4756-2-0x0000000006050000-0x00000000065F4000-memory.dmp
      Filesize

      5.6MB

    • memory/4756-4-0x0000000005BD0000-0x0000000005BE0000-memory.dmp
      Filesize

      64KB

    • memory/4980-19-0x00000000027E0000-0x00000000027F0000-memory.dmp
      Filesize

      64KB

    • memory/4980-14-0x0000000074E50000-0x0000000075600000-memory.dmp
      Filesize

      7.7MB

    • memory/4980-16-0x00000000027E0000-0x00000000027F0000-memory.dmp
      Filesize

      64KB

    • memory/4980-15-0x0000000005010000-0x0000000005076000-memory.dmp
      Filesize

      408KB

    • memory/4980-17-0x00000000066D0000-0x0000000006720000-memory.dmp
      Filesize

      320KB

    • memory/4980-18-0x0000000074E50000-0x0000000075600000-memory.dmp
      Filesize

      7.7MB

    • memory/4980-10-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB