Analysis

  • max time kernel
    127s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2023 16:11

General

  • Target

    Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe

  • Size

    284KB

  • MD5

    ad127f6a6e823c10e54c779e92f4ef91

  • SHA1

    26a021276b982afca759e04b62d3cb4caa4269fb

  • SHA256

    d9e7d9699b28022d1fd6b5ced9f32e3dd3210475d6a2b2ec770d331d6a910a53

  • SHA512

    8548b72670635335e8b62f699729881347931312d1843817d28a194142901eae6e29798611bfc299d4302c78aa4b99e24ed537d20d81f69e91e2b52a6843cc46

  • SSDEEP

    3072:s+LwLS2Vbqe+uZtuQ0UzDNwwh0wR2c2vGZ9pwPtV3vJPg1NXHII61gdZwgJRZ/2J:wEe+iXFBwhw0cvxwV3vaHIIiHF

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.mgcpakistan.com
  • Port:
    21
  • Username:
    infoo@mgcpakistan.com
  • Password:
    boygirl123456

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 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe
    "C:\Users\Admin\AppData\Local\Temp\Air waybill number 290132727 Physical weight 1 05 kg Seats 1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANwAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3672
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
        PID:1620
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1512

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1512-149-0x0000000006200000-0x000000000620A000-memory.dmp
      Filesize

      40KB

    • memory/1512-148-0x0000000006210000-0x00000000062A2000-memory.dmp
      Filesize

      584KB

    • memory/1512-147-0x0000000006010000-0x0000000006060000-memory.dmp
      Filesize

      320KB

    • memory/1512-146-0x0000000004F30000-0x0000000004FCC000-memory.dmp
      Filesize

      624KB

    • memory/1512-145-0x00000000053E0000-0x0000000005984000-memory.dmp
      Filesize

      5.6MB

    • memory/1512-144-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1512-143-0x0000000000000000-mapping.dmp
    • memory/1620-142-0x0000000000000000-mapping.dmp
    • memory/1800-133-0x00000000068C0000-0x00000000068E2000-memory.dmp
      Filesize

      136KB

    • memory/1800-132-0x0000000000700000-0x000000000074C000-memory.dmp
      Filesize

      304KB

    • memory/3672-136-0x0000000005230000-0x0000000005858000-memory.dmp
      Filesize

      6.2MB

    • memory/3672-141-0x00000000064A0000-0x00000000064BA000-memory.dmp
      Filesize

      104KB

    • memory/3672-140-0x00000000077F0000-0x0000000007E6A000-memory.dmp
      Filesize

      6.5MB

    • memory/3672-139-0x0000000005FA0000-0x0000000005FBE000-memory.dmp
      Filesize

      120KB

    • memory/3672-138-0x0000000005940000-0x00000000059A6000-memory.dmp
      Filesize

      408KB

    • memory/3672-137-0x00000000058D0000-0x0000000005936000-memory.dmp
      Filesize

      408KB

    • memory/3672-135-0x00000000029C0000-0x00000000029F6000-memory.dmp
      Filesize

      216KB

    • memory/3672-134-0x0000000000000000-mapping.dmp