Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 22:22

General

  • Target

    484e27072482dbdaad8dc5ba3b42ee02_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    484e27072482dbdaad8dc5ba3b42ee02

  • SHA1

    4ee146db76435dd8db6678b0a3b1c1e6d167469e

  • SHA256

    8feb48eae4ca6d55b2d5ad244917791ba9129f821b92d451dd7f02c64b3b5541

  • SHA512

    5fd696e79a62b2caf8ea939ed77c8175f6bdf7bd5a316011e7aaf0cba81683669d9fe7197a3d740e9a196dd0143831864ba13725f0260f3892403db264955668

  • SSDEEP

    6144:sM2LRbpRbW/yTgXyYSZIaQdaS1BCjLxzi/oyF32SCQoSd:sMqbXTXqa0aSvALs/pF3vZoA

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\484e27072482dbdaad8dc5ba3b42ee02_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\484e27072482dbdaad8dc5ba3b42ee02_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:1140
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderN\name.exe.lnk" /f
        3⤵
          PID:844
      • C:\Users\Admin\AppData\Roaming\tmp.exe
        "C:\Users\Admin\AppData\Roaming\tmp.exe"
        2⤵
        • Executes dropped EXE
        PID:4344
      • C:\Users\Admin\AppData\Local\Temp\484e27072482dbdaad8dc5ba3b42ee02_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\484e27072482dbdaad8dc5ba3b42ee02_JaffaCakes118.exe"
        2⤵
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4216
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp870D.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:2992
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp89AE.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:3180
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4252
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 300
          3⤵
          • Delays execution with timeout.exe
          PID:5100
    • 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 --no-appcompat-clear --mojo-platform-channel-handle=4256 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2336

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp870D.tmp

        Filesize

        1KB

        MD5

        ab1bdedf35a82e7d9ad05f87c81e63bc

        SHA1

        cdf75718dfd405b3ede7b04619733a5b36004ef8

        SHA256

        4c7e04b43a233fe219f029de35afbf8cb3dd84a8cc0f4af86271892f3c9add8d

        SHA512

        109c4521f1903f3c7dc53aaa30c861b82b39c9d4b1122a3cf4acc3cbbcf660cecbeea31f60c02b2845d629ae658b34c45681cf2228cd686fd8254f194f65cdd6

      • C:\Users\Admin\AppData\Local\Temp\tmp89AE.tmp

        Filesize

        1KB

        MD5

        0339b45ef206f4becc88be0d65e24b9e

        SHA1

        6503a1851f4ccd8c80a31f96bd7ae40d962c9fad

        SHA256

        3d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83

        SHA512

        c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551

      • C:\Users\Admin\AppData\Roaming\FolderN\name.exe

        Filesize

        1.1MB

        MD5

        484e27072482dbdaad8dc5ba3b42ee02

        SHA1

        4ee146db76435dd8db6678b0a3b1c1e6d167469e

        SHA256

        8feb48eae4ca6d55b2d5ad244917791ba9129f821b92d451dd7f02c64b3b5541

        SHA512

        5fd696e79a62b2caf8ea939ed77c8175f6bdf7bd5a316011e7aaf0cba81683669d9fe7197a3d740e9a196dd0143831864ba13725f0260f3892403db264955668

      • C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat

        Filesize

        189B

        MD5

        dca86f6bec779bba1b58d992319e88db

        SHA1

        844e656d3603d15ae56f36298f8031ad52935829

        SHA256

        413b4ee68f5400fcd30ae5df957d723989b400637dbc7f5d158fa050bdc20743

        SHA512

        4b9d532a777921543b3243020ea4b655a8b956c400b237ce714b5bd8e9a3ad7fdbcb11410e84e2e0ecc45e87dcd107385a487f5bb5b359aabd1322314ef2d24c

      • C:\Users\Admin\AppData\Roaming\tmp.exe

        Filesize

        203KB

        MD5

        ea4e711b570883a5f601e3c134b4d666

        SHA1

        4845379009f04bb888e3194ddc613e57fccb5999

        SHA256

        d5a68669dcc8d060b385202713a80a79eb068dc78a78cdb5a912ddfa12820ba1

        SHA512

        e8f80eef1a303d72160d55d93870fd2ce24f8632b06af3adadcc0d5b5804d5dee44eb72889b39fe72e4688a0d3d064c6e632631bb570f912178e2872ce6fe102

      • memory/2748-10-0x0000000074FC0000-0x0000000075571000-memory.dmp

        Filesize

        5.7MB

      • memory/2748-2-0x0000000074FC0000-0x0000000075571000-memory.dmp

        Filesize

        5.7MB

      • memory/2748-21-0x0000000074FC0000-0x0000000075571000-memory.dmp

        Filesize

        5.7MB

      • memory/2748-41-0x0000000074FC0000-0x0000000075571000-memory.dmp

        Filesize

        5.7MB

      • memory/2748-0-0x0000000074FC2000-0x0000000074FC3000-memory.dmp

        Filesize

        4KB

      • memory/2748-1-0x0000000074FC0000-0x0000000075571000-memory.dmp

        Filesize

        5.7MB

      • memory/2748-9-0x0000000074FC2000-0x0000000074FC3000-memory.dmp

        Filesize

        4KB

      • memory/4216-25-0x0000000074FC0000-0x0000000075571000-memory.dmp

        Filesize

        5.7MB

      • memory/4216-26-0x0000000074FC0000-0x0000000075571000-memory.dmp

        Filesize

        5.7MB

      • memory/4216-22-0x0000000074FC0000-0x0000000075571000-memory.dmp

        Filesize

        5.7MB

      • memory/4216-43-0x0000000074FC0000-0x0000000075571000-memory.dmp

        Filesize

        5.7MB

      • memory/4344-32-0x000000001B5F0000-0x000000001BABE000-memory.dmp

        Filesize

        4.8MB

      • memory/4344-28-0x0000000000C60000-0x0000000000C70000-memory.dmp

        Filesize

        64KB

      • memory/4344-37-0x000000001B040000-0x000000001B0DC000-memory.dmp

        Filesize

        624KB

      • memory/4344-38-0x000000001BC70000-0x000000001BD16000-memory.dmp

        Filesize

        664KB

      • memory/4344-39-0x0000000000C30000-0x0000000000C38000-memory.dmp

        Filesize

        32KB