Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    25-04-2024 01:02

General

  • Target

    061087cd835abcfc3411f0ec4b15ccf80516276a356b2eedc4cb444d0dac0187.exe

  • Size

    821KB

  • MD5

    1d584d84d4965e7a0da615b32ab85f2e

  • SHA1

    bbb9c2211444450bb34a27f1a98d778e3c96b9bb

  • SHA256

    061087cd835abcfc3411f0ec4b15ccf80516276a356b2eedc4cb444d0dac0187

  • SHA512

    69c79f42f6f91ab4ea8f2fc8d80c2423450fb8fc5b9bcb7a0dd0cd3c11167947402e7d027ccfd5ec4a7303ac3f269defdd7a63902272d6b60c660500c84ebbc8

  • SSDEEP

    12288:KVF9WM+YLoxLQE5VT0kAEXSk5SHkXuusBOlWzMIhnc:E2M+RLZVT0xMbSC69znh

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. 6 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 6 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 6 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\061087cd835abcfc3411f0ec4b15ccf80516276a356b2eedc4cb444d0dac0187.exe
    "C:\Users\Admin\AppData\Local\Temp\061087cd835abcfc3411f0ec4b15ccf80516276a356b2eedc4cb444d0dac0187.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qmUxKv.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qmUxKv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp406A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2012
    • C:\Users\Admin\AppData\Local\Temp\061087cd835abcfc3411f0ec4b15ccf80516276a356b2eedc4cb444d0dac0187.exe
      "C:\Users\Admin\AppData\Local\Temp\061087cd835abcfc3411f0ec4b15ccf80516276a356b2eedc4cb444d0dac0187.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp406A.tmp
    Filesize

    1KB

    MD5

    e2254d349802c54ffff802bc60df18e9

    SHA1

    44faa3fc70a0aca1981e1fc027d96beb5948c143

    SHA256

    12b61ce3e82e27a3f7ad9fec77d3dd172a7b55a7621a2f481cde40bd97137f6e

    SHA512

    c26ca56693e8d86926e99623b80cd3cdc1db74ee388f5de11d9564a742706983e248cdeb08384ea77cfd76364ff543d78774d603c390a54e16a5c7251410097c

  • memory/2860-29-0x0000000004990000-0x00000000049D0000-memory.dmp
    Filesize

    256KB

  • memory/2860-12-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2860-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2860-37-0x0000000004990000-0x00000000049D0000-memory.dmp
    Filesize

    256KB

  • memory/2860-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2860-36-0x0000000074B30000-0x000000007521E000-memory.dmp
    Filesize

    6.9MB

  • memory/2860-28-0x0000000074B30000-0x000000007521E000-memory.dmp
    Filesize

    6.9MB

  • memory/2860-25-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2860-14-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2860-16-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2860-17-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2860-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/3024-5-0x00000000004B0000-0x00000000004C4000-memory.dmp
    Filesize

    80KB

  • memory/3024-2-0x00000000047F0000-0x0000000004830000-memory.dmp
    Filesize

    256KB

  • memory/3024-3-0x0000000000470000-0x0000000000488000-memory.dmp
    Filesize

    96KB

  • memory/3024-23-0x0000000074BB0000-0x000000007529E000-memory.dmp
    Filesize

    6.9MB

  • memory/3024-1-0x0000000074BB0000-0x000000007529E000-memory.dmp
    Filesize

    6.9MB

  • memory/3024-0-0x0000000000820000-0x00000000008F2000-memory.dmp
    Filesize

    840KB

  • memory/3024-6-0x000000000A3B0000-0x000000000A434000-memory.dmp
    Filesize

    528KB

  • memory/3024-4-0x00000000004A0000-0x00000000004AE000-memory.dmp
    Filesize

    56KB

  • memory/3060-30-0x0000000072FE0000-0x000000007358B000-memory.dmp
    Filesize

    5.7MB

  • memory/3060-31-0x0000000072FE0000-0x000000007358B000-memory.dmp
    Filesize

    5.7MB

  • memory/3060-33-0x0000000002990000-0x00000000029D0000-memory.dmp
    Filesize

    256KB

  • memory/3060-32-0x0000000002990000-0x00000000029D0000-memory.dmp
    Filesize

    256KB

  • memory/3060-34-0x0000000072FE0000-0x000000007358B000-memory.dmp
    Filesize

    5.7MB