Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 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 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 9 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.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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:1572
  • 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:3260
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 45647590D6B74F63DD959C2661F93B6E C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3452
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5020
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4C0CA16FAE261DCCE07916BA6AA54156
        2⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1932
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2368

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\MSI87FC.tmp

      Filesize

      436KB

      MD5

      475d20c0ea477a35660e3f67ecf0a1df

      SHA1

      67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

      SHA256

      426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

      SHA512

      99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

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

      Filesize

      956KB

      MD5

      b28a478eb5b99efcdc7caf428bffb89a

      SHA1

      d394c7b8fe15753bfbff79fb4f648f6f8bae70f9

      SHA256

      3bca1dcaef4430272b9029c9a4bc8be0d45ecff66e8de8679ed30d8afab00f6f

      SHA512

      decb2581f64949bfaaaf0368917f0705d7a4b7392ec272eda025cf06a4384ec4cdd5202081c2e085f00645029dd96bfef262e8628bed1861185adf6281c1cc88

    • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

      Filesize

      24.1MB

      MD5

      5a18a3159e4082aa80de2547b559ef70

      SHA1

      e945084bc51767ef573637bd101cf1229e53b45e

      SHA256

      b5345f0cc29c843c9733e4899ecfa0e00099d8748d01a05da9ca8aa01f3f0209

      SHA512

      c10c8bcdc0dc1b773c11f6e2fb481d33433ceb26c33753335fda4fbcb2e94efbbd4656130a0f81fd2439a87e0d39818db6669cc6d0cd9479d726e3195c412b5a

    • \??\Volume{612d9cf5-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{6893a7c7-bcc9-4389-a3c7-a51be801d77c}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      7473d01906b1dca84abcd5ebd6629c55

      SHA1

      8dc56e41849145b151f826f0a2d23550f0f06045

      SHA256

      bae3d3b2c2d9cfe1a5547e838dd6900870663f38b7cec7fe8ccda88e5bc57675

      SHA512

      a253444c603abefed9c08a58bcf4e542e60f09bb5734d5d1149d067d5fbf7bb4a405cc65f7bac1a0f6d9ac94832391cb0659a31f018db1a24eb5934778b0a353

    • memory/1932-45-0x0000000010000000-0x00000000100F9000-memory.dmp

      Filesize

      996KB

    • memory/1932-46-0x00000000026A0000-0x0000000002713000-memory.dmp

      Filesize

      460KB

    • memory/1932-51-0x0000000010000000-0x00000000100F9000-memory.dmp

      Filesize

      996KB