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Analysis

  • max time kernel
    146s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/09/2024, 17:03

General

  • Target

    d6c086bd2cb9f0bad442d057fb922d76_JaffaCakes118.msi

  • Size

    1012KB

  • MD5

    d6c086bd2cb9f0bad442d057fb922d76

  • SHA1

    c6d62de15313918968ca2de3cd4233d2177fa848

  • SHA256

    753aad9e9c12de41f51b1316c4aa6b50c3f359f12b09a72ece99bd6cce2e6537

  • SHA512

    869757a0bd7852656c0694564dc21cd577a90b6cfa1c67bad3db61288bd951b55969e62b24f7e0ddad516bf98c7b046b20a95535a637650d9cef0b8b03faac9b

  • SSDEEP

    12288:hEt8ZPcBLP41FUCtmHlgDvq7BOTszKS6mCZ0e8kcJ+:hEt8a5gbUFHA0By0e5cJ+

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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
  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 43 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 63 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\d6c086bd2cb9f0bad442d057fb922d76_JaffaCakes118.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1620
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Windows\Installer\MSI2E34.tmp
      "C:\Windows\Installer\MSI2E34.tmp"
      2⤵
      • Suspicious use of SetThreadContext
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:564
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SekcVGmvsmWO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2240.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2196
      • C:\Windows\Installer\MSI2E34.tmp
        "C:\Windows\Installer\MSI2E34.tmp"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2396
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2812
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005A8" "000000000000054C"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f782abc.rbs

    Filesize

    663B

    MD5

    6ea72172ac897b15037eca90e84942e9

    SHA1

    adf34b49e16e9802f02bc6a19059d6e9d9973699

    SHA256

    54566c7bfe1d96377daf101cd56fa6a22464273eee97ad85e29f0a7759d2612d

    SHA512

    3c3d098dc6a922ea2aedef70e8e908f90f19890ceb0637e18cfa4811e55190f0a6814ec1892c8d22ec06e4f106259bc2d36bf5bee11304c3d919cfc567c8e0ab

  • C:\Users\Admin\AppData\Local\Temp\tmp2240.tmp

    Filesize

    1KB

    MD5

    cffdde79ebca5894afce4a87194e0f10

    SHA1

    0254fd9e2252e1b0d1b443c0bcb46c35321587e2

    SHA256

    93e0ddaf9081aa463fca837a2307b4cf0f1d0b52010c8e6176a029fa7aca2d87

    SHA512

    d0e8f54991c7a45b695bd90472375039e29b541a3658774187bce73e11f8fa94d6a5096af34ea1ab79e0a24931f2424b594c9cffa68b2b5c6bfd7263d264d455

  • C:\Windows\Installer\MSI2E34.tmp

    Filesize

    984KB

    MD5

    0575ec33b5638907ac7cc23c0775f2c6

    SHA1

    6797cf3cd0035c5ba16ea24a93203c89ee5b70b0

    SHA256

    b7ea1c16cfa57e9787464e48363ff5d004df399cecc75f234e8145191742fd6f

    SHA512

    10873b91906a32ee65b04eebf80a503070c489ba9d563db5e39a2df202c9ae18b64e2717a3082e780f6d937747fb63e749596e41f192bc5a979c0523f24bd3fa

  • memory/564-13-0x0000000000B70000-0x0000000000C6C000-memory.dmp

    Filesize

    1008KB

  • memory/564-14-0x0000000005200000-0x0000000005274000-memory.dmp

    Filesize

    464KB

  • memory/564-30-0x0000000000500000-0x000000000050A000-memory.dmp

    Filesize

    40KB

  • memory/2396-42-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2396-40-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2396-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2396-37-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2396-35-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2396-31-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2396-33-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2396-43-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2396-54-0x0000000000520000-0x000000000052A000-memory.dmp

    Filesize

    40KB