Resubmissions

02/06/2026, 14:49

260602-r65vhafz9y10

02/06/2026, 14:18

260602-rmda5sft9t10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 14:18

General

  • Target
    5ec37444f9ead97f89b74b0b0ee6707bd67a61cb1ad1aa7f5ba85613b722cf4a.msi
  • Size 3.1MB
  • Sample260602-rmda5sft9t
  • SHA256 5ec37444f9ead97f89b74b0b0ee6707bd67a61cb1ad1aa7f5ba85613b722cf4a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • latrodectus

C2
  • https://iondrivinos34.com/work/

  • https://rolkdsgwasagt.com/work/

Attributes
  • group

    Whenasked

  • user_agent

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

rc4.plain
aes.hex

Signatures

  • Family: Latrodectus loader

    Latrodectus is a loader written in C++.

  • Detects Latrodectus 1 IoCs

    Detects Latrodectus v1.4.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Badlisted process makes network request 6 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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
  • 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 3 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\5ec37444f9ead97f89b74b0b0ee6707bd67a61cb1ad1aa7f5ba85613b722cf4a.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4812
  • 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:2452
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4404
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C6107E1A9A3A27CDD0181300A9C5419B
      2⤵
      • Loads dropped DLL
      • Badlisted process makes network request
      • System Location Discovery: System Language Discovery
      PID:4324
    • C:\Users\Admin\AppData\Roaming\intel\igfxSDK.exe
      "C:\Users\Admin\AppData\Roaming\intel\igfxSDK.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:616
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4084

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e586e1a.rbs

        • Path C:\Config.Msi\e586e1a.rbs
        • Size 1KB
        • SHA256 742606aa058f7adcde2faf6ce6aa18627b04af6620704fb5bfe21fef0ae7a0ca
        • MD5 SHA1 SHA512 TLSH

        357F04AD41BCF5FE18FCB69F60C6680F_6792A11ECFFBEF7D472503C7DF8499B4

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_6792A11ECFFBEF7D472503C7DF8499B4
        • Size 1KB
        • SHA256 01e79fe42477f3aa9412fe513ac273b0c9e2a8ce89e4bda5ad4a37827a933b66
        • MD5 SHA1 SHA512 TLSH

        9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
        • Size 1KB
        • SHA256 8e822b474da997d085de6277f307a0fad21b81247a49e86cc7eb7574494e66c1
        • MD5 SHA1 SHA512 TLSH

        357F04AD41BCF5FE18FCB69F60C6680F_6792A11ECFFBEF7D472503C7DF8499B4

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_6792A11ECFFBEF7D472503C7DF8499B4
        • Size 540B
        • SHA256 6a012a5be9c7d49ed0611312c417b8e67d076bb339178e7675a32bad915275e2
        • MD5 SHA1 SHA512 TLSH

        9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
        • Size 536B
        • SHA256 6505034354aa358904fcbd8d20f1dc39dabd037eb323ec94c3e6034cef1d8cbe
        • MD5 SHA1 SHA512 TLSH

        WTSAPI32.dll

        • Path C:\Users\Admin\AppData\Roaming\intel\WTSAPI32.dll
        • Size 3.3MB
        • SHA256 36066cc93e5aa0977439b6769705edc01967b174584cbb283e98dfef1582cc7e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        igfxSDK.exe

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

        MSI6EE2.tmp

        • Path C:\Windows\Installer\MSI6EE2.tmp
        • Size 436KB
        • SHA256 426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI6FFE.tmp

        • Path C:\Windows\Installer\MSI6FFE.tmp
        • Size 355KB
        • SHA256 57c0d90010d3a476770c8085d2641cbf234b0ca47ec687ca4aabbf4db92df737
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.6MB
        • SHA256 547172d5c589a0eff52cdb80589969e65f14d82938e2acf8763b278b00e0fbae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {b85a894f-a974-4b5d-989a-dccfbf17cfe1}_OnDiskSnapshotProp

        • Path \??\Volume{a40cd035-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{b85a894f-a974-4b5d-989a-dccfbf17cfe1}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 8ecff7f1989cbe58369f70cd98572105a6112d2a9877bd177865c624f6dd8aa0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/616-70-0x0000000180000000-0x0000000181CB7000-memory.dmp

        memory/616-76-0x0000018C33E30000-0x0000018C33E47000-memory.dmp

        memory/616-75-0x0000000180000000-0x0000000181CB7000-memory.dmp

        memory/616-79-0x0000018C32280000-0x0000018C325D7000-memory.dmp