Analysis

  • max time kernel
    47s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:29

General

  • Target

    e9232107c85b4b3a9ec90a32fa98b99d27f1ca84ef2b5654d7ab696f9f034890.exe

  • Size

    673KB

  • MD5

    aaca7e0cc2d952668293c38fd0345b99

  • SHA1

    aa4197a75d07592c242850b13b1dea76671e025a

  • SHA256

    e9232107c85b4b3a9ec90a32fa98b99d27f1ca84ef2b5654d7ab696f9f034890

  • SHA512

    d426b7461bbf07b818cc90148de3fcb34489db9b7a6c4d459f76627335a55586eef74fdc697b66cd5b2f4c6ff189a7eb07c4b6e2054ac559638883e667ede33c

  • SSDEEP

    12288:LSdTeRPW+zhKEuWJXXUw2Ql5M1szhYhwFMcSMgrsKuqyJMD0OB:LHRPW+9KZWJHUw2gIszhYhGMhVzNO

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 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.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9232107c85b4b3a9ec90a32fa98b99d27f1ca84ef2b5654d7ab696f9f034890.exe
    "C:\Users\Admin\AppData\Local\Temp\e9232107c85b4b3a9ec90a32fa98b99d27f1ca84ef2b5654d7ab696f9f034890.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Users\Admin\AppData\Local\Temp\e9232107c85b4b3a9ec90a32fa98b99d27f1ca84ef2b5654d7ab696f9f034890.exe
      "C:\Users\Admin\AppData\Local\Temp\e9232107c85b4b3a9ec90a32fa98b99d27f1ca84ef2b5654d7ab696f9f034890.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e9232107c85b4b3a9ec90a32fa98b99d27f1ca84ef2b5654d7ab696f9f034890.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1920-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1920-19-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

  • memory/1920-18-0x00000000069F0000-0x0000000006A40000-memory.dmp

    Filesize

    320KB

  • memory/1920-17-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

  • memory/1920-16-0x0000000005340000-0x00000000053A6000-memory.dmp

    Filesize

    408KB

  • memory/1920-14-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

  • memory/2300-4-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

  • memory/2300-8-0x0000000007180000-0x0000000007190000-memory.dmp

    Filesize

    64KB

  • memory/2300-9-0x00000000071E0000-0x0000000007264000-memory.dmp

    Filesize

    528KB

  • memory/2300-10-0x00000000098D0000-0x000000000996C000-memory.dmp

    Filesize

    624KB

  • memory/2300-7-0x0000000005CD0000-0x0000000005CDE000-memory.dmp

    Filesize

    56KB

  • memory/2300-6-0x0000000005CB0000-0x0000000005CC6000-memory.dmp

    Filesize

    88KB

  • memory/2300-5-0x0000000005800000-0x000000000580A000-memory.dmp

    Filesize

    40KB

  • memory/2300-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

    Filesize

    4KB

  • memory/2300-3-0x0000000005810000-0x00000000058A2000-memory.dmp

    Filesize

    584KB

  • memory/2300-15-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

  • memory/2300-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

    Filesize

    5.6MB

  • memory/2300-1-0x0000000000E80000-0x0000000000F2E000-memory.dmp

    Filesize

    696KB