Analysis

  • max time kernel
    104s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250610-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/08/2025, 02:11

General

  • Target
    package_latest.msi
  • Size 2.7MB
  • Sample250807-cmjqlavzhy
  • SHA256 24e7b7702b0b3536e0cfbaaf88cec3ccca35da6daa4c22d811d44077f05d27ec
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • latrodectus

C2
  • https://sumgifaluis.com/work/

  • https://dumkaumkasrot.com/work/

Attributes
  • group

    Ganymed

  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Tob 1.1)

rc4.plain
aes.hex

Signatures

  • Detects Latrodectus 1 IoCs

    Detects Latrodectus v1.4.

  • Latrodectus family
  • Latrodectus loader

    Latrodectus is a loader written in C++.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Blocklisted process makes network request 6 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 63 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 9 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\package_latest.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3576
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4748
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:676
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A6C9E5BF1D1E36B11CA8D51873209563
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:5056
    • C:\Users\Admin\AppData\Roaming\intel\igfxSDK.exe
      "C:\Users\Admin\AppData\Roaming\intel\igfxSDK.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1736
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4340
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Intel\igfxSDK.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Roaming\Intel\igfxSDK.exe
      C:\Users\Admin\AppData\Roaming\Intel\igfxSDK.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3324

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e5b75ac.rbs

        • Path C:\Config.Msi\e5b75ac.rbs
        • Size 1KB
        • SHA256 a9d37383f47a364bf42d13f6a5e670d147b032805513d3e2422b39ecc716f9c4
        • MD5 SHA1 SHA512

        357F04AD41BCF5FE18FCB69F60C6680F_B2B6295295D4E652C00445DB64205A13

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_B2B6295295D4E652C00445DB64205A13
        • Size 1KB
        • SHA256 b86401dbbf5e1c738490d72b7111a8fde361663859a6c8e24a7f592518e7e8a5
        • MD5 SHA1 SHA512

        9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
        • Size 1KB
        • SHA256 11347b32e739796f1631b413df2bfe0c4bae21c19bd013227d373474cc53158e
        • MD5 SHA1 SHA512

        357F04AD41BCF5FE18FCB69F60C6680F_B2B6295295D4E652C00445DB64205A13

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_B2B6295295D4E652C00445DB64205A13
        • Size 536B
        • SHA256 d49fa1b2cdee74a84ed7281d56c690ec30fdf0bb9c718cee14754c132ff14c61
        • MD5 SHA1 SHA512

        9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
        • Size 536B
        • SHA256 15fb1ffc00d5e9244f5cc2ad226160ad1bcb2ec645e0def5e5b161146e8dd38c
        • MD5 SHA1 SHA512

        WTSAPI32.dll

        • Path C:\Users\Admin\AppData\Roaming\intel\WTSAPI32.dll
        • Size 2.6MB
        • SHA256 251eadf6b434016cf30dfa4749762ef4c8ae1ec3255ac42f5b5f714750b1a49d
        • MD5 SHA1 SHA512 SSDEEP

        igfxSDK.exe

        • Path C:\Users\Admin\AppData\Roaming\intel\igfxSDK.exe
        • Size 973KB
        • SHA256 b7f8750851e70ec755343d322d7d81ea0fc1b12d4a1ab6a60e7c8605df4cd6a5
        • MD5 SHA1 SHA512 SSDEEP

        version.dll

        • Path C:\Users\Admin\AppData\Roaming\intel\version.dll
        • Size 31KB
        • SHA256 af45a728552ccfdcd9435c40ace60a9354d7c1b52abf507a2f1cb371dada4fde
        • MD5 SHA1 SHA512 SSDEEP

        MSI7636.tmp

        • Path C:\Windows\Installer\MSI7636.tmp
        • Size 436KB
        • SHA256 426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
        • MD5 SHA1 SHA512 SSDEEP

        MSI786C.tmp

        • Path C:\Windows\Installer\MSI786C.tmp
        • Size 355KB
        • SHA256 57c0d90010d3a476770c8085d2641cbf234b0ca47ec687ca4aabbf4db92df737
        • MD5 SHA1 SHA512 SSDEEP

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 72c9b1cd5711f98fbe5cbaf39ed75dc85d2ea8ec65ae86452158f841629dd8f9
        • MD5 SHA1 SHA512 SSDEEP

        {3569bf79-f187-4488-88f9-270011aa233c}_OnDiskSnapshotProp

        • Path \??\Volume{96ca29b7-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{3569bf79-f187-4488-88f9-270011aa233c}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 83a42dd18e6ff132c68955d58fc46af5c00e1c8b65de67865cc5fa8f76356fd1
        • MD5 SHA1 SHA512 SSDEEP

        memory/1736-80-0x0000000180000000-0x0000000181CB7000-memory.dmp

        memory/1736-90-0x0000000180000000-0x0000000181CB7000-memory.dmp

        memory/1736-96-0x000001F572970000-0x000001F574627000-memory.dmp

        memory/1736-100-0x000001F572970000-0x000001F574627000-memory.dmp

        memory/3324-92-0x000002A1A0F80000-0x000002A1A0F97000-memory.dmp