Overview

overview

8

Static

static

3

c8d78076a0...18.exe

windows7-x64

8

c8d78076a0...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    136s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 12:43

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General

  • Target

    c8d78076a0dc1a438c974d7a4ca6bb59_JaffaCakes118.exe

  • Size

    508KB

  • MD5

    c8d78076a0dc1a438c974d7a4ca6bb59

  • SHA1

    5a356fd639a9416bbef7b494ff092891e91e00b9

  • SHA256

    d9508939788ef11986dad9fecc9ebc2e28dad9b3966bf861a68e9f351d26d382

  • SHA512

    001a1a1b68ea5bbb99e8e43d88e613da5d6eeb75257dca5b03313e8d9a8592bf7f9ec351cbbd3f0b35f04b18ff0f571c085feda6e4ab0d0b2a63e56350b2679e

  • SSDEEP

    12288:RBpo35lG4mEox2Y1joE9bPwifPvPU9pBD8HFOAkyhpVG:RBpo35lG4axJ5NPwifPvPU9pHmhpVG

Score
8/10
adwarediscoverypersistencestealer

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 7 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8d78076a0dc1a438c974d7a4ca6bb59_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c8d78076a0dc1a438c974d7a4ca6bb59_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:652
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32.exe /s "C:\Program Files (x86)\NateSearch\NateSearch.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:3256
    • C:\Program Files (x86)\NateSearch\NateSetup.exe
      "C:\Program Files (x86)\NateSearch\NateSetup.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Users\Admin\AppData\Local\Temp\028611_s.exe
        "C:\Users\Admin\AppData\Local\Temp\028611_s.exe" Setup
        3⤵
        • Sets service image path in registry
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4980
        • C:\Windows\SysWOW64\regsvr32.exe
          C:\Windows\system32\regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\NateSearch.dll"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2188
        • C:\Program Files (x86)\NateSearch\NateSrv.exe
          "C:\Program Files (x86)\NateSearch\NateSrv.exe"
          4⤵
          • Executes dropped EXE
          • Installs/modifies Browser Helper Object
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4140
          • C:\Windows\SysWOW64\regsvr32.exe
            C:\Windows\system32\regsvr32 /s "C:\Program Files (x86)\NateSearch\NateSearch.dll"
            5⤵
            • Loads dropped DLL
            • Installs/modifies Browser Helper Object
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            PID:4460
          • C:\Windows\SysWOW64\regsvr32.exe
            C:\Windows\system32\regsvr32 /s "C:\Program Files (x86)\NateSearch\NateSearch.dll"
            5⤵
            • Loads dropped DLL
            • Installs/modifies Browser Helper Object
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            PID:4612
          • C:\Windows\SysWOW64\regsvr32.exe
            C:\Windows\system32\regsvr32 /s "C:\Program Files (x86)\NateSearch\NateSearch.dll"
            5⤵
            • Loads dropped DLL
            • Installs/modifies Browser Helper Object
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            PID:4416
          • C:\Windows\SysWOW64\regsvr32.exe
            C:\Windows\system32\regsvr32 /s "C:\Program Files (x86)\NateSearch\NateSearch.dll"
            5⤵
            • Loads dropped DLL
            • Installs/modifies Browser Helper Object
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            PID:4048
  • 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=4276,i,13995403245988825027,7033610968827661507,262144 --variations-seed-version --mojo-platform-channel-handle=3864 /prefetch:8
    1⤵
      PID:1292

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

    • C:\Program Files (x86)\NateSearch\NateSearch.dll
      Filesize

      120KB

      MD5

      83092441bb361565c7e2a364c50022bc

      SHA1

      264e53ace72f80a0a94fe8780b8fd0a37e8e2f25

      SHA256

      800802d55c9980601d006b1681219ec688926bde7d515547063a438ca1f35a1c

      SHA512

      6be9b1263ac69dd9cd818719749f95fec1d2e92355a7bb3449b22c41d23a484a315f40db16b82b02e797fc2570da20999b567e943e41f7947ed16f60c1b5eaa8

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    • C:\Program Files (x86)\NateSearch\NateSetup.exe
      Filesize

      2.6MB

      MD5

      efc4c25ef5e213ca548fdd07d5e817e8

      SHA1

      6b7c0adaf21e970a87d84e943a8a437329821b6f

      SHA256

      84d0e0ef8b9b3d1e98d1074b995abc066fdd9b7186c486780ce0aa560dcd75ce

      SHA512

      991091daf856e31664e0fa3515b643da44e14bff1a837446ea8dcfb67478f1d58a3be978d6c8f3898619915fe3b67d1a7cc4df1374c1a163e2b31b4aa7b9983a

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    • C:\Program Files (x86)\NateSearch\NateSrv.exe
      Filesize

      120KB

      MD5

      8efdd4e5f79ea8bd4e87a97a4be8d3dd

      SHA1

      3a1b1c9fff6eed91d5813ec8bab0bba111a771b2

      SHA256

      ac86f6e932e77f5f2f951e7484a78f890ac0234bd0ae54bb400d5ef9eba6153a

      SHA512

      90e6179ea110946799ce8fd1006a6d79798452c09038bc153ff65a35ba22abacac19b10867f2a780cc2a1826b9cea6c5463b065bb34ff477ca534a59b75a1e11

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