Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 01:55

General

  • Target

    Product Order Inquiry - SSTF Co., Ltd #82928733.exe

  • Size

    2.3MB

  • MD5

    285fee9261cc0f1ff6b69c10b6a2cbc9

  • SHA1

    058613d120360a7cc86901a316fb9704c0596c16

  • SHA256

    985f3a90e2586583a9913bc78484f4b3fb824bb08d9ccac14f229df08928477a

  • SHA512

    710ea284e0ac25491a5129c1c968c418673a0d191bfe25baae8d77cd0701fda357adbf68adf06e6b0d08221dbfe5b66d9a5ffb2244297b907fa7d799f63a2278

  • SSDEEP

    3072:k9LlfupJWPlE3ziE1wKtV5iEn+hFWd/7Udrfm2ukEg0Xvgb4TlvAYVQWfLoU8mow:kJ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables packed with or use KoiVM 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Product Order Inquiry - SSTF Co., Ltd #82928733.exe
    "C:\Users\Admin\AppData\Local\Temp\Product Order Inquiry - SSTF Co., Ltd #82928733.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2308-0-0x00007FFD8D943000-0x00007FFD8D945000-memory.dmp

    Filesize

    8KB

  • memory/2308-1-0x0000029DFADD0000-0x0000029DFB026000-memory.dmp

    Filesize

    2.3MB

  • memory/2308-2-0x00007FFD8D940000-0x00007FFD8E401000-memory.dmp

    Filesize

    10.8MB

  • memory/2308-3-0x0000029DFD7B0000-0x0000029DFD846000-memory.dmp

    Filesize

    600KB

  • memory/2308-9-0x00007FFD8D940000-0x00007FFD8E401000-memory.dmp

    Filesize

    10.8MB

  • memory/4956-8-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/4956-6-0x0000000005C10000-0x00000000061B4000-memory.dmp

    Filesize

    5.6MB

  • memory/4956-7-0x0000000005760000-0x00000000057C6000-memory.dmp

    Filesize

    408KB

  • memory/4956-5-0x000000007469E000-0x000000007469F000-memory.dmp

    Filesize

    4KB

  • memory/4956-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4956-10-0x0000000006610000-0x0000000006660000-memory.dmp

    Filesize

    320KB

  • memory/4956-11-0x0000000006700000-0x000000000679C000-memory.dmp

    Filesize

    624KB

  • memory/4956-12-0x000000007469E000-0x000000007469F000-memory.dmp

    Filesize

    4KB

  • memory/4956-13-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/4956-14-0x0000000006AC0000-0x0000000006B52000-memory.dmp

    Filesize

    584KB

  • memory/4956-15-0x0000000006A70000-0x0000000006A7A000-memory.dmp

    Filesize

    40KB