Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250619-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2025, 06:38

General

  • Target
    da6fbd0983a51f8a5f00bbcb2e26f7cb4adee36fa515c7e8cf12b9b4ea3acdec.msi
  • Size 2.3MB
  • Sample250926-hd3d8seq5x
  • SHA256 da6fbd0983a51f8a5f00bbcb2e26f7cb4adee36fa515c7e8cf12b9b4ea3acdec
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • latrodectus

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

  • https://djkloyfarelbister.com/work/

Attributes
  • group

    Orion

  • user_agent

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

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
  • Badlisted process makes network request 3 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 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 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 15 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\da6fbd0983a51f8a5f00bbcb2e26f7cb4adee36fa515c7e8cf12b9b4ea3acdec.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:6056
  • 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:5360
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding EFCD7D0BF698669BE7B2E9AB82DF8C95
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4476
    • C:\Users\Admin\AppData\Roaming\instance\igfx.exe
      "C:\Users\Admin\AppData\Roaming\instance\igfx.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4328
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:1612
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\instance\igfx.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5196
    • C:\Users\Admin\AppData\Roaming\instance\igfx.exe
      C:\Users\Admin\AppData\Roaming\instance\igfx.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:784
      • C:\Windows\System32\cmd.exe
        /c reg query HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography /v MachineGuid | findstr MachineGuid
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Windows\system32\reg.exe
          reg query HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography /v MachineGuid
          4⤵
            PID:6140
          • C:\Windows\system32\findstr.exe
            findstr MachineGuid
            4⤵
              PID:1740

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e57ce8e.rbs

            • Path C:\Config.Msi\e57ce8e.rbs
            • Size 1KB
            • SHA256 c7c017fe401b3129fc767812c058f1d738dbdaea9d215899b464f5f178e8f30f
            • MD5 SHA1 SHA512

            357F04AD41BCF5FE18FCB69F60C6680F_EA055783B7C17D53E12240715BA01EE0

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_EA055783B7C17D53E12240715BA01EE0
            • Size 1KB
            • SHA256 656cb0887ad0797669737f92323ead656071db0ca1188ea5236e946316578d6f
            • MD5 SHA1 SHA512

            9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
            • Size 1KB
            • SHA256 ce15e49f66308c08e91479fed1cf13e14b5485e039d652fbd1625915a27ab945
            • MD5 SHA1 SHA512

            357F04AD41BCF5FE18FCB69F60C6680F_EA055783B7C17D53E12240715BA01EE0

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_EA055783B7C17D53E12240715BA01EE0
            • Size 540B
            • SHA256 dd9a4ce6f4c8607846d9930e0eb750397609a53bc7d4c1149c54c09089949236
            • MD5 SHA1 SHA512

            9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
            • Size 536B
            • SHA256 6a4be4b4c109cebaf1058e9b64ac20a10b0358fbbf98d5130d533153a099d0ac
            • MD5 SHA1 SHA512

            WTSAPI32.dll

            • Path C:\Users\Admin\AppData\Roaming\instance\WTSAPI32.dll
            • Size 1.7MB
            • SHA256 a3b7ad3ac10b437dbe004aa6ec90b480a14304f2d5c59b77cb8559e96e1a6841
            • MD5 SHA1 SHA512 SSDEEP

            igfx.exe

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

            MSICF37.tmp

            • Path C:\Windows\Installer\MSICF37.tmp
            • Size 436KB
            • SHA256 426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
            • MD5 SHA1 SHA512 SSDEEP

            MSID2B4.tmp

            • Path C:\Windows\Installer\MSID2B4.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 0aca261f75fcafc2bd557f1d4b997be158214bcf0a8e67cf03ffd764958aec17
            • MD5 SHA1 SHA512 SSDEEP

            {e13ce079-790a-419f-90ad-5cdf3582178f}_OnDiskSnapshotProp

            • Path \??\Volume{f12d453c-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{e13ce079-790a-419f-90ad-5cdf3582178f}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 ecd34dbc18c4adccd10b315a68eafdfcef2d78f7cec8bc5bac173bb1c31fb72b
            • MD5 SHA1 SHA512 SSDEEP

            memory/784-82-0x00000233F83D0000-0x00000233F83E7000-memory.dmp

            memory/784-80-0x0000000180000000-0x0000000181CB7000-memory.dmp

            memory/4328-69-0x0000000180000000-0x0000000181CB7000-memory.dmp

            memory/4328-84-0x00000222C5170000-0x00000222C6E27000-memory.dmp

            memory/4328-89-0x00000222C5170000-0x00000222C6E27000-memory.dmp