Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10/05/2024, 18:13

General

  • Target
    30648d1ae860e714f0538b6898d41fc2_JaffaCakes118.exe
  • Size 1.8MB
  • Sample240510-wt4h5adf48
  • SHA256 20a482d03485031a84636bc19152f63564cd2bc3eb10be1023c2e51126686106
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 50 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30648d1ae860e714f0538b6898d41fc2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\30648d1ae860e714f0538b6898d41fc2_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Users\Admin\AppData\Local\Temp\31882B26-2610-BB41-A39F-C035EAA91B61\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\31882B26-2610-BB41-A39F-C035EAA91B61\RtHelp.exe" --InstSupp --Supp 167 --Ver 180
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2600
    • C:\Users\Admin\AppData\Local\Temp\31882B26-2610-BB41-A39F-C035EAA91B61\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\31882B26-2610-BB41-A39F-C035EAA91B61\RtHelp.exe" --PreCheck 167 --Uid 389901B5B89D1C4F90242B0EEB7FF45A --Ver 180
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Maps connected drives based on registry
      PID:2960
    • C:\Users\Admin\AppData\Local\Temp\nseE3DC.tmp
      "C:\Users\Admin\AppData\Local\Temp\nseE3DC.tmp" /S _?=C:\Users\Admin\AppData\Local\CE054C48-D469-F946-B4CE-5F2605B6BF0B
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2500
      • C:\Users\Admin\AppData\Local\CE054C48-D469-F946-B4CE-5F2605B6BF0B\Runner.exe
        "C:\Users\Admin\AppData\Local\CE054C48-D469-F946-B4CE-5F2605B6BF0B\Runner.exe" --Uninstall
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:964
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3650BD24-3139-4C8F-ACDB-7716F3908796} S-1-5-21-3691908287-3775019229-3534252667-1000:UOTHCPHQ\Admin:S4U:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Users\Admin\AppData\Local\CE054C48-D469-F946-B4CE-5F2605B6BF0B\Runner.exe
      C:\Users\Admin\AppData\Local\CE054C48-D469-F946-B4CE-5F2605B6BF0B\Runner.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1028
      • C:\Users\Admin\AppData\Local\CE054C48-D469-F946-B4CE-5F2605B6BF0B\Runner.exe
        "C:\Users\Admin\AppData\Local\CE054C48-D469-F946-B4CE-5F2605B6BF0B\Runner.exe" --UpNav YgByAG8AdwBzAGUAcgAuAGkAZAAzADEAMgAuAHMAbwBmAHQALQBjAGQAbgAuAGMAbwBtAC8ARQB4AHAAUABrAGcALgBwAGgAcAA/AHAAPQAwACYAcwA9ADUA --DownNav QwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAEMARQAwADUANABDADQAOAAtAEQANAA2ADkALQBGADkANAA2AC0AQgA0AEMARQAtADUARgAyADYAMAA1AEIANgBCAEYAMABCAFwAVQBwAGQAYQB0AGUAXABFAHgAdABQAGsAZwAwAA==
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 176
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1708

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MSVCP110.dll

        • Path C:\Users\Admin\AppData\Local\Temp\31882B26-2610-BB41-A39F-C035EAA91B61\MSVCP110.dll
        • Size 522KB
        • SHA256 c8d5572ca8d7624871188f0acabc3ae60d4c5a4f6782d952b9038de3bc28b39a
        • MD5 SHA1 SHA512 SSDEEP

        MSVCR110.dll

        • Path C:\Users\Admin\AppData\Local\Temp\31882B26-2610-BB41-A39F-C035EAA91B61\MSVCR110.dll
        • Size 854KB
        • SHA256 b30160e759115e24425b9bcdf606ef6ebce4657487525ede7f1ac40b90ff7e49
        • MD5 SHA1 SHA512 SSDEEP

        clc.dll

        • Path C:\Users\Admin\AppData\Local\Temp\31882B26-2610-BB41-A39F-C035EAA91B61\Modules\clc.dll
        • Size 111KB
        • SHA256 f1107b54b4cbbfbd7a894226317918f5aadafd56c65ea255c81facdc539b88be
        • MD5 SHA1 SHA512 SSDEEP

        crm.dll

        • Path C:\Users\Admin\AppData\Local\Temp\31882B26-2610-BB41-A39F-C035EAA91B61\Modules\crm.dll
        • Size 104KB
        • SHA256 ec27c6987d403bb31df794b47060fe707bca85c058ecb62b8a6ec9ab35de2c06
        • MD5 SHA1 SHA512 SSDEEP

        wis.dll

        • Path C:\Users\Admin\AppData\Local\Temp\31882B26-2610-BB41-A39F-C035EAA91B61\Modules\wis.dll
        • Size 42KB
        • SHA256 3a942e2bfd313ecdbd48ebe05653b50d904f9b1dc30c86067446885a8d01dff7
        • MD5 SHA1 SHA512 SSDEEP

        cdp.dll

        • Path \Users\Admin\AppData\Local\CE054C48-D469-F946-B4CE-5F2605B6BF0B\Modules\cdp.dll
        • Size 91KB
        • SHA256 a056ad6496931b0c0a9405cf4f7a34db68c3b78b30d4907f9472994b836ea022
        • MD5 SHA1 SHA512 SSDEEP

        nvs.dll

        • Path \Users\Admin\AppData\Local\CE054C48-D469-F946-B4CE-5F2605B6BF0B\Modules\nvs.dll
        • Size 90KB
        • SHA256 3a35ed22fe448967d3bbb5ac16710f755760f2a083f05b22884abe811d688039
        • MD5 SHA1 SHA512 SSDEEP

        RtHelp.exe

        • Path \Users\Admin\AppData\Local\Temp\31882B26-2610-BB41-A39F-C035EAA91B61\RtHelp.exe
        • Size 334KB
        • SHA256 0946e5e56039b750820fad2169e66ffe31a5a0d93fc17734948c40f9ef147c43
        • MD5 SHA1 SHA512 SSDEEP

        nseE3DC.tmp

        • Path \Users\Admin\AppData\Local\Temp\nseE3DC.tmp
        • Size 178KB
        • SHA256 0c0a3186ab3f2796abf43e51397ec5fbe5011954ed45343986d5e7811724e95a
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nso1AB3.tmp\System.dll
        • Size 11KB
        • SHA256 4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe
        • MD5 SHA1 SHA512 SSDEEP

        UpdHelper.dll

        • Path \Users\Admin\AppData\Local\Temp\nso1AB3.tmp\UpdHelper.dll
        • Size 130KB
        • SHA256 8b972cd7532648027a533330481a6fed08f70718b31396ddf6579519e862b169
        • MD5 SHA1 SHA512 SSDEEP

        md5dll.dll

        • Path \Users\Admin\AppData\Local\Temp\nso1AB3.tmp\md5dll.dll
        • Size 6KB
        • SHA256 32c3d36f38e7e8a8bafd4a53663203ef24a10431bda16af9e353c7d5d108610f
        • MD5 SHA1 SHA512 SSDEEP

        memory/2348-81-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-80-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-83-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-82-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-86-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-78-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-77-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-87-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-84-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-85-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-153-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-161-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-160-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-159-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-158-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-157-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-156-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-155-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-154-0x00000000003D0000-0x00000000003DA000-memory.dmp

        memory/2348-76-0x00000000003D0000-0x00000000003DA000-memory.dmp