Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-10-2024 10:58

General

  • Target

    dcae57ec4b69236146f744c143c42cc8bdac9da6e991904e6dbf67ec1179286a.msi

  • Size

    1.4MB

  • MD5

    4d81be09c23e02fab7364e508c21c111

  • SHA1

    52cae521d7a808c8206f4b5afd6b037bc573b50e

  • SHA256

    dcae57ec4b69236146f744c143c42cc8bdac9da6e991904e6dbf67ec1179286a

  • SHA512

    4f5b4fdeb9a056025455ede8ee6e1757da8db64f9692df2a46558a3c04aaec551734b4d75803bbd579e1163b9aba5005f71c5efb22ee3d336779804a11b2b5a5

  • SSDEEP

    24576:BqKxnNTYUx0ECIgYmfLVYeBZr7A9zdfoAX+8UhxcS:Bq6TYCZKumZr7ARdAAO8oxz

Malware Config

Signatures

  • SSLoad

    SSLoad Unpacked DLL payload.

  • Ssload family
  • Detects SSLoad Unpacked payload 1 IoCs
  • Blocklisted process makes network request 4 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 2 IoCs

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

  • Drops file in Windows directory 9 IoCs
  • Loads dropped DLL 7 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\dcae57ec4b69236146f744c143c42cc8bdac9da6e991904e6dbf67ec1179286a.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2228
  • 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:2964
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 31295EE11B715CC053D76391DBDC004E C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2696
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 07AD1BAD17A8A15E24203C28A4562E4A
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2164
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:2576
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000560" "00000000000002F0"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:1808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\sharepoint\forcedelctl.dll

      Filesize

      956KB

      MD5

      b28a478eb5b99efcdc7caf428bffb89a

      SHA1

      d394c7b8fe15753bfbff79fb4f648f6f8bae70f9

      SHA256

      3bca1dcaef4430272b9029c9a4bc8be0d45ecff66e8de8679ed30d8afab00f6f

      SHA512

      decb2581f64949bfaaaf0368917f0705d7a4b7392ec272eda025cf06a4384ec4cdd5202081c2e085f00645029dd96bfef262e8628bed1861185adf6281c1cc88

    • \Users\Admin\AppData\Local\Temp\MSIF710.tmp

      Filesize

      436KB

      MD5

      475d20c0ea477a35660e3f67ecf0a1df

      SHA1

      67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

      SHA256

      426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

      SHA512

      99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

    • memory/2164-36-0x0000000010000000-0x00000000100F9000-memory.dmp

      Filesize

      996KB

    • memory/2164-37-0x0000000002810000-0x0000000002883000-memory.dmp

      Filesize

      460KB

    • memory/2164-40-0x0000000010000000-0x00000000100F9000-memory.dmp

      Filesize

      996KB