Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 01:13

General

  • Target

    415dc24924ada536128e601b4372a72dd6d6e566e3b49c3c79a5b6dde7b702cf.exe

  • Size

    321KB

  • MD5

    14f0b309c14c5f5e75c9a1d95967318b

  • SHA1

    baa09246339d936e19328dcca98c527a8af9cb5c

  • SHA256

    415dc24924ada536128e601b4372a72dd6d6e566e3b49c3c79a5b6dde7b702cf

  • SHA512

    7e8e8b92b9d3f55a105de154fdb1e468fa3e6bc73c21eef2495ba22ee0522e15dca490b1c1210b83ab2ed876f67c34efcde8ca72375a695ba69d9237ecaa5d30

  • SSDEEP

    6144:bJHFcDmiIr2baLQ+axLyAPuBthKaOUn1ajxPiFLUunarm5pL5Yzmwn3Wrgmi:hFKmX29+axg48gjxILLvpVE3tZ

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. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 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.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\415dc24924ada536128e601b4372a72dd6d6e566e3b49c3c79a5b6dde7b702cf.exe
    "C:\Users\Admin\AppData\Local\Temp\415dc24924ada536128e601b4372a72dd6d6e566e3b49c3c79a5b6dde7b702cf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2756
    • 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
      • Suspicious use of SetWindowsHookEx
      PID:2184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2184-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2184-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2184-5-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2184-6-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2184-4-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2184-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2184-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2184-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2756-1-0x0000000000380000-0x00000000003D6000-memory.dmp

    Filesize

    344KB

  • memory/2756-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

    Filesize

    4KB

  • memory/2756-15-0x0000000074B10000-0x00000000751FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-3-0x0000000000320000-0x000000000032A000-memory.dmp

    Filesize

    40KB

  • memory/2756-2-0x00000000005A0000-0x00000000005F0000-memory.dmp

    Filesize

    320KB

  • memory/2756-16-0x0000000074B10000-0x00000000751FE000-memory.dmp

    Filesize

    6.9MB