Analysis

  • max time kernel
    1195s
  • max time network
    1200s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-08-2024 19:02

General

  • Target

    outaukaa.js

  • Size

    726KB

  • MD5

    914de97efaa32ba7dab129ccd14677b3

  • SHA1

    7501c4a79484a62f9f01d4a22d0e454fc165c16f

  • SHA256

    d632551161e59bbc94687fda33925eb227c77f2da0b38a953cbfbffa14f68534

  • SHA512

    1f37e21a042214bc2c5b099f3633f102469b6d03e6d19090dc4602fec627dd89bf7e5bcf912691528c25aff8197dd4205807da1d47ac6ed6d642ce23340eb3b3

  • SSDEEP

    12288:lSFYBUZL2VWmqCzDfJMINm1PT3UXjxbqTMnvR:hUZ2VWmFxMIN2TE9eavR

Malware Config

Signatures

  • Detects Latrodectus 1 IoCs

    Detects Latrodectus v1.4.

  • Latrodectus loader

    Latrodectus is a loader written in C++.

  • Blocklisted process makes network request 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 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 10 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 system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 8 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\outaukaa.js
    1⤵
    • Blocklisted process makes network request
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:3960
  • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 57204EF01EB21BBABDB83B592A4274A5
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3368
    • C:\Windows\Installer\MSI7F82.tmp
      "C:\Windows\Installer\MSI7F82.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Roaming\tz6.dll, NvCreateMPEG4MuxSink
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3936
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4104,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4124 /prefetch:8
    1⤵
      PID:3964
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\tz6.dll, NvCreateMPEG4MuxSink
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Windows\System32\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_31db8e5f.dll", NvCreateMPEG4MuxSink
        2⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:1652
    • C:\Windows\system32\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_31db8e5f.dll", NvCreateMPEG4MuxSink
      1⤵
      • Loads dropped DLL
      PID:1344
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4228,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=5028 /prefetch:8
      1⤵
        PID:3860
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_31db8e5f.dll", NvCreateMPEG4MuxSink
        1⤵
        • Loads dropped DLL
        PID:3244

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Config.Msi\e587e45.rbs

        Filesize

        1KB

        MD5

        ad5b65aa48d3fd00c8b097f7e27f4c2c

        SHA1

        ba8c35e8801a93e12aed906257dfdcac5804b21c

        SHA256

        8dc0f77e7008958a2d9ea48ba80c52f2add86f5f97b13ff2074d2c1e58d195c3

        SHA512

        e6ff806802fea866b4c498ac17392543e25dcd579fbb60d0a919cb793801c1d2d7410085b408d4af919abab3e65f0a65966204f2a32a2a1c511fb9ac5673a9f9

      • C:\Users\Admin\AppData\Roaming\tz6.dll

        Filesize

        1.1MB

        MD5

        11bba295ee381161292c384c2eca7a0c

        SHA1

        2ce64388e396af0c1d96c8544fca6cfee0644f54

        SHA256

        4dabba4dbabba2b5201fca7e525859946ad860e2693574dc2a6d18348b0c8b95

        SHA512

        42d926b2a6a4dc99f264a7a38ab951e55f5b126313d8f3250698aca65aea6330030940c91179b29b563c625ddd8f2672ddb7ec3a4f440ffe32dcd3d6cb982f55

      • C:\Windows\Installer\MSI5985.tmp

        Filesize

        1.6MB

        MD5

        329259260ebe046b0e80bec91f632ba0

        SHA1

        db1184c14af32cf859d7f089d1dacc685257cc11

        SHA256

        334c3f529b1c580ea83e2ea1e85b7a937dcceb3dd3b2a533afb936f53100c222

        SHA512

        cfa0235623ec962266dbe9bcba5eac4535eff365aa784e6cf4d2a877aa6fedcc0801e5ba751b35ad176997337b72e4141f42ee07faf1017abcfda42b3228b2a4

      • C:\Windows\Installer\MSI7ABA.tmp

        Filesize

        436KB

        MD5

        475d20c0ea477a35660e3f67ecf0a1df

        SHA1

        67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

        SHA256

        426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

        SHA512

        99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

      • C:\Windows\Installer\MSI7F82.tmp

        Filesize

        389KB

        MD5

        b9545ed17695a32face8c3408a6a3553

        SHA1

        f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

        SHA256

        1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

        SHA512

        f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

      • memory/1596-45-0x0000000180000000-0x0000000180122000-memory.dmp

        Filesize

        1.1MB

      • memory/1652-59-0x00000292C0CE0000-0x00000292C0CF6000-memory.dmp

        Filesize

        88KB