Analysis

  • max time kernel
    139s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 01:41

General

  • Target

    708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089.exe

  • Size

    928KB

  • MD5

    80b51e872031a2befeb9a0a13e6fc480

  • SHA1

    caebbab5349f57d92182ce56ef4bf71ea60226a7

  • SHA256

    708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089

  • SHA512

    12e9db89be76788d238f8a7f3114534b50b953b9ef619f84b0a124fba77f5e7d4aa00ae8f6ac3fdb16ecd1398950d6bdadfa43e9ec59b6d59667df5ac3d60879

  • SSDEEP

    12288:QieE+Q3mJyrf3iKXlrsfPO/l3Zn+aFpNUe2PPaEEaCh:QieE+5UrfvVg+Rd+afNH2PxEZh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.godforeu.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    O8k#Pz4sk:w_

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • 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 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089.exe
    "C:\Users\Admin\AppData\Local\Temp\708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\neHneiobyhcrJJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD9A.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1424
    • C:\Users\Admin\AppData\Local\Temp\708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089.exe
      "C:\Users\Admin\AppData\Local\Temp\708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089.exe"
      2⤵
        PID:4780
      • C:\Users\Admin\AppData\Local\Temp\708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089.exe
        "C:\Users\Admin\AppData\Local\Temp\708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3280

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Persistence

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    4
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089.exe.log
      Filesize

      1KB

      MD5

      17573558c4e714f606f997e5157afaac

      SHA1

      13e16e9415ceef429aaf124139671ebeca09ed23

      SHA256

      c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

      SHA512

      f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    • C:\Users\Admin\AppData\Local\Temp\tmpFD9A.tmp
      Filesize

      1KB

      MD5

      7d0855870de42987d8aee963a0c7c732

      SHA1

      dc37700aaee1dbca36ec24d9b7fb05612d59e23e

      SHA256

      edc0e5feb5f33ec3b84f8950b5ae47cc9274bf58398f0c693933412cec2d4418

      SHA512

      6ab5422cf0b8c6dd628f83f3d71de917b997fb3424180b7a48f973bde0e8ab63c6f48b69775d8138a9af3391b747115a7faa1d7ade72278adbbc09f237e13165

    • memory/640-10-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/640-20-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/640-4-0x0000000005B60000-0x0000000005BF2000-memory.dmp
      Filesize

      584KB

    • memory/640-5-0x0000000005A90000-0x0000000005A9A000-memory.dmp
      Filesize

      40KB

    • memory/640-6-0x0000000005C60000-0x0000000005CB6000-memory.dmp
      Filesize

      344KB

    • memory/640-7-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/640-8-0x0000000005C40000-0x0000000005C4A000-memory.dmp
      Filesize

      40KB

    • memory/640-9-0x0000000074ADE000-0x0000000074ADF000-memory.dmp
      Filesize

      4KB

    • memory/640-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp
      Filesize

      4KB

    • memory/640-11-0x0000000006A50000-0x0000000006AC2000-memory.dmp
      Filesize

      456KB

    • memory/640-2-0x0000000005AA0000-0x0000000005B3C000-memory.dmp
      Filesize

      624KB

    • memory/640-3-0x0000000006110000-0x00000000066B4000-memory.dmp
      Filesize

      5.6MB

    • memory/640-1-0x0000000000FC0000-0x00000000010AE000-memory.dmp
      Filesize

      952KB

    • memory/3280-17-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3280-21-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/3280-22-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/3280-23-0x0000000005130000-0x0000000005148000-memory.dmp
      Filesize

      96KB

    • memory/3280-24-0x0000000005DA0000-0x0000000005E06000-memory.dmp
      Filesize

      408KB

    • memory/3280-25-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/3280-26-0x0000000002630000-0x0000000002680000-memory.dmp
      Filesize

      320KB

    • memory/3280-27-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB