Analysis

  • max time kernel
    122s
  • max time network
    87s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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.

  • Detect PureCrypter injector 1 IoCs
  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 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⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1404
    • 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:1672
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
        PID:1000
      • 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:1524

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1404-62-0x00000000050F0000-0x0000000005148000-memory.dmp
      Filesize

      352KB

    • memory/1404-55-0x0000000075A11000-0x0000000075A13000-memory.dmp
      Filesize

      8KB

    • memory/1404-56-0x0000000006350000-0x00000000065C4000-memory.dmp
      Filesize

      2.5MB

    • memory/1404-54-0x00000000011D0000-0x000000000121C000-memory.dmp
      Filesize

      304KB

    • memory/1524-67-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1524-63-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1524-64-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1524-66-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1524-68-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1524-69-0x0000000000437AEE-mapping.dmp
    • memory/1524-71-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1524-73-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1672-60-0x000000006EF90000-0x000000006F53B000-memory.dmp
      Filesize

      5.7MB

    • memory/1672-61-0x000000006EF90000-0x000000006F53B000-memory.dmp
      Filesize

      5.7MB

    • memory/1672-59-0x000000006EF90000-0x000000006F53B000-memory.dmp
      Filesize

      5.7MB

    • memory/1672-57-0x0000000000000000-mapping.dmp