Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/09/2024, 01:24

General

  • Target

    6ed4c0b2e67a048fea0163a19588d4cf3ae469b62cbf8536cb6c2a213cbfd56f.js

  • Size

    711KB

  • MD5

    49ed597d3e71dee0ced6c17c9ecc5ee9

  • SHA1

    235f285825ac621f16f8fc98664a1c226f1a4d68

  • SHA256

    6ed4c0b2e67a048fea0163a19588d4cf3ae469b62cbf8536cb6c2a213cbfd56f

  • SHA512

    94971817ecafe3bd69ba19c68162320c6d4ed403ce5e4a5841862114b76f599e87fd8552282a466d1af69fa1fedb4767c6e2f77563181924046f4fddfa3aa4c5

  • SSDEEP

    12288:5YOoheqQXmtqSElhoXJ/r2tiT+059vIkd08brxp+0:5to8vhBE5/r/T+051Q+xpr

Malware Config

Signatures

  • Detects Latrodectus 5 IoCs

    Detects Latrodectus v1.4.

  • Latrodectus loader

    Latrodectus is a loader written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 11 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 9 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 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.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\6ed4c0b2e67a048fea0163a19588d4cf3ae469b62cbf8536cb6c2a213cbfd56f.js
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1812
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 86FC18BBC15FA800C217DCA535A0B659
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2412
    • C:\Windows\Installer\MSIE086.tmp
      "C:\Windows\Installer\MSIE086.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:2580
  • 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:2796
    • C:\Windows\System32\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_204c93e0.dll", NvPluginGetInfo
      2⤵
      • Loads dropped DLL
      PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f76df4b.rbs

    Filesize

    1KB

    MD5

    64c5844117f8b5ce2e3c7bd7e1b04166

    SHA1

    f84c08f85ca442e4b622a659b2be582c28a9e103

    SHA256

    dda8594a60e4e0629b195ffea1fdb3ea2f2737034eda7b43477ca83e5b357f12

    SHA512

    010e7d28c8458e88312cc6545aa64e536e71d8930380a41db30348103450d465c80bca7518a5a470e614a3484f33d98effaaba1daed98eeb54765dc990ce2b89

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

    Filesize

    1.8MB

    MD5

    6dc0d350d735fd1acc8219cfa5d02b9b

    SHA1

    7ba0708a4404715fb21a23acfbd88a25b7245ef1

    SHA256

    2333dd858fc40899a1bff3fb39fbc0b4e65a864bfd4eb73c26b48aaddcca7061

    SHA512

    99c9b6310363ce3a7d9ff680c4a0ae976553fc4789b12f9b60d9f629608d90cf4d64b4c8a037264f8aaa48fba69ae397236ef4c32c2eb6779fb5d9e0b3b0d52f

  • C:\Windows\Installer\MSID662.tmp

    Filesize

    1.9MB

    MD5

    c017277279dada1b9653bc6838019952

    SHA1

    4d66580dade368ea823c2afc602ad3686c20d4d1

    SHA256

    f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c

    SHA512

    cd9fea4bfa73987fb95e4e15ee6fa5c489842b79f8a497ea7dd65ec355db9df6d4af786612e6d9f43e7293723a91841465368728fb1b5361716a9297008adfa2

  • C:\Windows\Installer\MSIDD84.tmp

    Filesize

    436KB

    MD5

    475d20c0ea477a35660e3f67ecf0a1df

    SHA1

    67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

    SHA256

    426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

    SHA512

    99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

  • C:\Windows\Installer\MSIE086.tmp

    Filesize

    389KB

    MD5

    b9545ed17695a32face8c3408a6a3553

    SHA1

    f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

    SHA256

    1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

    SHA512

    f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

  • memory/2580-37-0x0000000000160000-0x0000000000162000-memory.dmp

    Filesize

    8KB

  • memory/2588-56-0x00000000003C0000-0x00000000003D6000-memory.dmp

    Filesize

    88KB

  • memory/2588-54-0x00000000003C0000-0x00000000003D6000-memory.dmp

    Filesize

    88KB

  • memory/2588-55-0x00000000003C0000-0x00000000003D6000-memory.dmp

    Filesize

    88KB

  • memory/2796-45-0x00000000002C0000-0x00000000002D6000-memory.dmp

    Filesize

    88KB

  • memory/2796-46-0x00000000002C0000-0x00000000002D6000-memory.dmp

    Filesize

    88KB

  • memory/2796-48-0x0000000180000000-0x00000001801DC000-memory.dmp

    Filesize

    1.9MB