Analysis

  • max time kernel
    102s
  • max time network
    124s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-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 16 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:1592
  • 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:4208
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2328
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C738EF57A83A08397EE064CCCB7DC995
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2152
    • C:\Users\Admin\AppData\Roaming\intel\igfxSDK.exe
      "C:\Users\Admin\AppData\Roaming\intel\igfxSDK.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:744
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4236
  • 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:4220
    • C:\Users\Admin\AppData\Roaming\Intel\igfxSDK.exe
      C:\Users\Admin\AppData\Roaming\Intel\igfxSDK.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:5700

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e577f83.rbs

        • Path C:\Config.Msi\e577f83.rbs
        • Size 1KB
        • SHA256 e76cba0fce1f0a0b171086cf001ef1c343e1e364f85e5c0ac73da0fba18433ee
        • 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 47dc5d08a1e8f91d51cbae36239f9675e2b0af6458fc3d08a16913baf27609ad
        • MD5 SHA1 SHA512

        9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
        • Size 536B
        • SHA256 8db1ed076a9d03aef15b5a662449b52dc203d5e6600e8c08bcb4d95c1788c9b7
        • 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

        MSI806B.tmp

        • Path C:\Windows\Installer\MSI806B.tmp
        • Size 436KB
        • SHA256 426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
        • MD5 SHA1 SHA512 SSDEEP

        MSI81B6.tmp

        • Path C:\Windows\Installer\MSI81B6.tmp
        • Size 355KB
        • SHA256 57c0d90010d3a476770c8085d2641cbf234b0ca47ec687ca4aabbf4db92df737
        • MD5 SHA1 SHA512 SSDEEP

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.6MB
        • SHA256 6cb3dc8cc90227dcc3d6b514b39441e4ab48b5d46490f3f32cdcf7461af03270
        • MD5 SHA1 SHA512 SSDEEP

        {8e191f26-69d7-4e11-8e51-0d0a406dbb49}_OnDiskSnapshotProp

        • Path \??\Volume{7808a539-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{8e191f26-69d7-4e11-8e51-0d0a406dbb49}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 bdd3b270ca45b38327dec3f714b4ee0916c723330ab8038991b5c6dd2c02722b
        • MD5 SHA1 SHA512 SSDEEP

        memory/744-79-0x0000000180000000-0x0000000181CB7000-memory.dmp

        memory/744-89-0x00000211D5980000-0x00000211D5997000-memory.dmp

        memory/744-85-0x0000000180000000-0x0000000181CB7000-memory.dmp

        memory/5700-96-0x000001F303980000-0x000001F305637000-memory.dmp

        memory/5700-100-0x000001F303980000-0x000001F305637000-memory.dmp