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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    20/07/2024, 07:49

General

  • Target

    5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe

  • Size

    212KB

  • MD5

    5fa1e8b903222be7c74edce61dfa0435

  • SHA1

    0f4d80e03f5f17c6aa0880ea3c22edee48ee7298

  • SHA256

    556a827f132cadd2d32f1f4d90b0a12e641b8124f70b79f6f8131ea0ea91f8b5

  • SHA512

    590fa04022d0cbd85762ba1e5568c974674685b2c8d9337ebee2448a44bd66ea326844ab97c820cf087bf63ebfa70f1a8aa1ce53133190e060339eb029a76b71

  • SSDEEP

    6144:h+LpzeANQVBXTBPgLKJDSTQL8jPY1SnKhrn3u4pu:h+LPNQVBFPgLKJDl2Y1SnKI4p

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\Wkedua.exe
      C:\Windows\Wkedua.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of UnmapMainImage
      PID:1236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

    Filesize

    372B

    MD5

    de98a48c5a9ae79f4f8a0062e2a1b0bc

    SHA1

    92dbd45572e76f2919ebbf74264c598616961561

    SHA256

    3451dda323012d7013feee58615056519bec6b4718422bfb0265061caa2cd50d

    SHA512

    a28921563f6751a8a388f6a3f6cc95c4a8a5da8a9e1e492df16326aee28ced321e10ff6941d9917b172597a9bd3fa79ff2e4a46cd589e41da96e87b9126d367d

  • C:\Windows\Wkedua.exe

    Filesize

    212KB

    MD5

    5fa1e8b903222be7c74edce61dfa0435

    SHA1

    0f4d80e03f5f17c6aa0880ea3c22edee48ee7298

    SHA256

    556a827f132cadd2d32f1f4d90b0a12e641b8124f70b79f6f8131ea0ea91f8b5

    SHA512

    590fa04022d0cbd85762ba1e5568c974674685b2c8d9337ebee2448a44bd66ea326844ab97c820cf087bf63ebfa70f1a8aa1ce53133190e060339eb029a76b71

  • memory/1236-29569-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-29562-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-29552-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-13-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/1236-29539-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-18-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1236-20-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1236-29551-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-29590-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-29589-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-29586-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-29572-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-29550-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-47226-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1236-29578-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-29545-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-29540-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/1236-29538-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

    Filesize

    1024KB

  • memory/2144-3-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2144-0-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2144-2-0x0000000000401000-0x0000000000402000-memory.dmp

    Filesize

    4KB

  • memory/2144-12-0x0000000001F00000-0x0000000001F7E000-memory.dmp

    Filesize

    504KB

  • memory/2144-1-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/2144-90539-0x0000000000401000-0x0000000000402000-memory.dmp

    Filesize

    4KB

  • memory/2144-90537-0x0000000000400000-0x000000000047E000-memory.dmp

    Filesize

    504KB

  • memory/2144-94700-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB