Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 19:49

General

  • Target

    f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c.msi

  • Size

    1.9MB

  • MD5

    c017277279dada1b9653bc6838019952

  • SHA1

    4d66580dade368ea823c2afc602ad3686c20d4d1

  • SHA256

    f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c

  • SHA512

    cd9fea4bfa73987fb95e4e15ee6fa5c489842b79f8a497ea7dd65ec355db9df6d4af786612e6d9f43e7293723a91841465368728fb1b5361716a9297008adfa2

  • SSDEEP

    49152:QGN3YhW8zBQSc0ZnSKBZKumZr7ANpTdzZfVSlaMBOno:3YY0Zn3K/ANPzbSlaBno

Malware Config

Signatures

  • Detects Latrodectus 5 IoCs

    Detects Latrodectus v1.4.

  • 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 13 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 11 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.

  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 17 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:2316
  • 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:2564
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 86FCD0A054AD81D5C1DBF385DBCFDE9F
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2256
    • C:\Windows\Installer\MSIB032.tmp
      "C:\Windows\Installer\MSIB032.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:2004
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2800
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005D8" "0000000000000590"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2620
  • 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:660
    • C:\Windows\System32\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_9a3182e0.dll", NvPluginGetInfo
      2⤵
      • Loads dropped DLL
      PID:1084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f76ac69.rbs

    Filesize

    1KB

    MD5

    78ec23ff935dd7b625d1b8f60f9f07da

    SHA1

    605944a2a8ddbdf31e9eb5dba5e14611492dcbe2

    SHA256

    f09bb9e2563077a8eca15f2b2f18ed0d670e2b1bd08eb8a5750d02521c8f3f27

    SHA512

    4bf16ab38ffaab047e9efe727c6fd0cd99d0371e17b8686e82052985477d7b4125f752f134c909d371fce7913dd126c175194ef8144397c9685e6bb60d521c1e

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

    Filesize

    1.8MB

    MD5

    6dc0d350d735fd1acc8219cfa5d02b9b

    SHA1

    7ba0708a4404715fb21a23acfbd88a25b7245ef1

    SHA256

    2333dd858fc40899a1bff3fb39fbc0b4e65a864bfd4eb73c26b48aaddcca7061

    SHA512

    99c9b6310363ce3a7d9ff680c4a0ae976553fc4789b12f9b60d9f629608d90cf4d64b4c8a037264f8aaa48fba69ae397236ef4c32c2eb6779fb5d9e0b3b0d52f

  • C:\Windows\Installer\MSIACC3.tmp

    Filesize

    436KB

    MD5

    475d20c0ea477a35660e3f67ecf0a1df

    SHA1

    67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

    SHA256

    426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

    SHA512

    99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

  • C:\Windows\Installer\MSIB032.tmp

    Filesize

    389KB

    MD5

    b9545ed17695a32face8c3408a6a3553

    SHA1

    f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

    SHA256

    1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

    SHA512

    f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

  • memory/660-44-0x0000000000140000-0x0000000000156000-memory.dmp

    Filesize

    88KB

  • memory/660-45-0x0000000000140000-0x0000000000156000-memory.dmp

    Filesize

    88KB

  • memory/660-47-0x0000000180000000-0x00000001801DC000-memory.dmp

    Filesize

    1.9MB

  • memory/1084-53-0x00000000001D0000-0x00000000001E6000-memory.dmp

    Filesize

    88KB

  • memory/1084-55-0x00000000001D0000-0x00000000001E6000-memory.dmp

    Filesize

    88KB

  • memory/1084-54-0x00000000001D0000-0x00000000001E6000-memory.dmp

    Filesize

    88KB

  • memory/2004-38-0x0000000000160000-0x0000000000162000-memory.dmp

    Filesize

    8KB