Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2024 02:03

General

  • Target

    189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe

  • Size

    688KB

  • MD5

    caecdf4de8d2cf26469206796a63febe

  • SHA1

    c7363f356e05fe75dac6bd9cd66ebd8d37580f66

  • SHA256

    189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98

  • SHA512

    5e95800c042c6d3c1a6de43bef89efbd81eec7488f58a2fe7d655d2b2d917338b64b4046f005bd6f7f9902d1104c1ee2977b1c9960d72de1ea93a49a41a10e50

  • SSDEEP

    12288:3LLK1r+2idJSTvYJ3dEUlSztl42r+ACxA4oFWH/qv+:7iOdJYvYJ3N0zekUSv

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.superlink.ae
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Babyko14

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 7 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 7 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 7 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 7 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 7 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 7 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
  • 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
  • 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe
    "C:\Users\Admin\AppData\Local\Temp\189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xbsuOYEmkiej.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2728
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xbsuOYEmkiej" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4950.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2096
    • C:\Users\Admin\AppData\Local\Temp\189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe
      "C:\Users\Admin\AppData\Local\Temp\189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe"
      2⤵
        PID:2672
      • C:\Users\Admin\AppData\Local\Temp\189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe
        "C:\Users\Admin\AppData\Local\Temp\189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe"
        2⤵
        • Adds Run key to start application
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2708

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4950.tmp

      Filesize

      1KB

      MD5

      92eeada48866b6e050abe42330f25213

      SHA1

      43e3d95ccf2e43cbf50134f8f8e6448da73948f6

      SHA256

      6062632127ab7ac4968a58f3d35f35d7b74cce2f31d29d2a7950bc454905bf5c

      SHA512

      e2c7939a9c0e462e9c020bd599fc5d5a5b012321902d83492370c19f97859497fb91d28372d778c861044964da99c25f527140611c1e6747eddec78e14b92f3b

    • C:\Users\Admin\AppData\Roaming\newapp9\newapp9.exe

      Filesize

      688KB

      MD5

      caecdf4de8d2cf26469206796a63febe

      SHA1

      c7363f356e05fe75dac6bd9cd66ebd8d37580f66

      SHA256

      189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98

      SHA512

      5e95800c042c6d3c1a6de43bef89efbd81eec7488f58a2fe7d655d2b2d917338b64b4046f005bd6f7f9902d1104c1ee2977b1c9960d72de1ea93a49a41a10e50

    • memory/2708-20-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2708-35-0x0000000004A10000-0x0000000004A50000-memory.dmp

      Filesize

      256KB

    • memory/2708-34-0x0000000074AD0000-0x00000000751BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2708-30-0x0000000004A10000-0x0000000004A50000-memory.dmp

      Filesize

      256KB

    • memory/2708-29-0x0000000074AD0000-0x00000000751BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2708-11-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2708-13-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2708-16-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2708-17-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2708-22-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2708-28-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2708-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2728-27-0x0000000001ED0000-0x0000000001F10000-memory.dmp

      Filesize

      256KB

    • memory/2728-25-0x0000000001ED0000-0x0000000001F10000-memory.dmp

      Filesize

      256KB

    • memory/2728-31-0x000000006ECA0000-0x000000006F24B000-memory.dmp

      Filesize

      5.7MB

    • memory/2728-23-0x000000006ECA0000-0x000000006F24B000-memory.dmp

      Filesize

      5.7MB

    • memory/2872-3-0x0000000000710000-0x000000000072A000-memory.dmp

      Filesize

      104KB

    • memory/2872-4-0x0000000000690000-0x000000000069C000-memory.dmp

      Filesize

      48KB

    • memory/2872-26-0x0000000074AD0000-0x00000000751BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2872-2-0x00000000040E0000-0x0000000004120000-memory.dmp

      Filesize

      256KB

    • memory/2872-5-0x0000000005200000-0x0000000005284000-memory.dmp

      Filesize

      528KB

    • memory/2872-1-0x0000000074AD0000-0x00000000751BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2872-0-0x0000000000230000-0x00000000002DC000-memory.dmp

      Filesize

      688KB