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Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • submitted
    14/09/2024, 01:33

General

  • Target

    f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c.msi

Malware Config

Extracted

Family

latrodectus

C2

https://isomicrotich.com/test/

https://rilomenifis.com/test/

Signatures

  • Detects Latrodectus 5 IoCs

    Detects Latrodectus v1.4.

  • Latrodectus family
  • Latrodectus loader

    Latrodectus is a loader written in C++.

  • 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 1 IoCs
  • Loads dropped DLL 6 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 63 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • 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\f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2776
  • 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:1288
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1524
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C5620160CE24D9EC007EC9482A0D4FFB
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:960
    • C:\Windows\Installer\MSIC77B.tmp
      "C:\Windows\Installer\MSIC77B.tmp" /DontWait C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Roaming\true.dll, NvPluginGetInfo
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4396
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:536
  • C:\Windows\System32\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\true.dll, NvPluginGetInfo
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Windows\System32\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_2bba8ec5.dll", NvPluginGetInfo
      2⤵
      • Loads dropped DLL
      PID:4252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\e57c2e5.rbs

    Filesize

    1KB

    MD5

    61c1b6c58b961fb27443a0a515befe14

    SHA1

    85dd05f5cf5d2f9842d1822f1bd950b78a8b2000

    SHA256

    41cb2f00c1810c89dbf2bf1df95be5ad84a376125180c281193a52f118c05f4a

    SHA512

    13a0ecae5da8bee3aaf9317c8641eba4e54107733ba3dc19e180641db95c4184be000ef07030f479814e2f20e99806a1e8858debe0f7b34611bbffa8b3243b52

  • C:\Users\Admin\AppData\Roaming\true.dll

    Filesize

    1.8MB

    MD5

    6dc0d350d735fd1acc8219cfa5d02b9b

    SHA1

    7ba0708a4404715fb21a23acfbd88a25b7245ef1

    SHA256

    2333dd858fc40899a1bff3fb39fbc0b4e65a864bfd4eb73c26b48aaddcca7061

    SHA512

    99c9b6310363ce3a7d9ff680c4a0ae976553fc4789b12f9b60d9f629608d90cf4d64b4c8a037264f8aaa48fba69ae397236ef4c32c2eb6779fb5d9e0b3b0d52f

  • C:\Windows\Installer\MSIC350.tmp

    Filesize

    436KB

    MD5

    475d20c0ea477a35660e3f67ecf0a1df

    SHA1

    67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

    SHA256

    426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

    SHA512

    99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

  • C:\Windows\Installer\MSIC77B.tmp

    Filesize

    389KB

    MD5

    b9545ed17695a32face8c3408a6a3553

    SHA1

    f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

    SHA256

    1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

    SHA512

    f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

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

    Filesize

    23.7MB

    MD5

    5b17815a2002ed8d351b314245b02263

    SHA1

    d7ed155e7dc6cbf06dcd75aecf1c4ac2cb509785

    SHA256

    08904ac22820b179284fafa2829faeb5175cda71feb11990d6ef7f565583bd1f

    SHA512

    cd690b8d6bd5bd9efb1a7f283ca9c8ee5431bf9797c72f37a6af93901f21e779c6909665b869d731c922452695ca69836c2baf1d7913b90a4377dacaa3d43b5f

  • \??\Volume{f1c94fa5-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{a97baa1b-93ff-405b-a67e-657c0c8fbd98}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    feb31c9119526665d1293b9a6975faa1

    SHA1

    8052f0298c83f6164b153f4ec26e8733208f4657

    SHA256

    cf46058eb7d0eef8075e5bf1145b38b5184e078e97508269bcf13b921e1bdb25

    SHA512

    593986fbec55be407f1db974ea5b84a9a18d1a84667cf13b528dbef928163076d8003a851631c900082043cf9206be44c74386da03b13b5c345172117bf59654

  • memory/2940-46-0x00000288E7D30000-0x00000288E7D46000-memory.dmp

    Filesize

    88KB

  • memory/2940-48-0x00000288E7D30000-0x00000288E7D46000-memory.dmp

    Filesize

    88KB

  • memory/2940-49-0x0000000180000000-0x00000001801DC000-memory.dmp

    Filesize

    1.9MB

  • memory/4252-52-0x00000183B3CC0000-0x00000183B3CD6000-memory.dmp

    Filesize

    88KB

  • memory/4252-53-0x00000183B3CC0000-0x00000183B3CD6000-memory.dmp

    Filesize

    88KB

  • memory/4252-54-0x00000183B3CC0000-0x00000183B3CD6000-memory.dmp

    Filesize

    88KB