Overview

overview

10

Static

static

3

8bf87026bc...18.exe

windows7-x64

10

8bf87026bc...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11-08-2024 21:05

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General

  • Target

    8bf87026bc88360e76a197d4e4804281_JaffaCakes118.exe

  • Size

    256KB

  • MD5

    8bf87026bc88360e76a197d4e4804281

  • SHA1

    6f8a40cb16b9e940cedad97c87390d34fbc4293b

  • SHA256

    907000b4ae5bcc2140ef73ad194b178374f7b57b34ecf817cbf1535d2e234065

  • SHA512

    348751f7372663401244cbc86329cefa3cf24cca2a0640d49095798fd868a256e7f13fbd03f731ba312d72fd978d964fd942ff028e14b6e493da716c8aa54a60

  • SSDEEP

    6144:97RPGkG+2O01WQY4MyTjGMT8N00lFKgOLpE4dFbbxGo:97RekGLO0CyvGMT8N00GlDM

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Deletes itself 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 25 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 52 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
    discovery
  • Suspicious use of SetThreadContext 5 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8bf87026bc88360e76a197d4e4804281_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8bf87026bc88360e76a197d4e4804281_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\pmuEma.exe
      C:\Users\Admin\pmuEma.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2196
      • C:\Users\Admin\gatij.exe
        "C:\Users\Admin\gatij.exe"
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2208
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del pmuEma.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2428
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2896
    • C:\Users\Admin\2gal.exe
      C:\Users\Admin\2gal.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2056
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2644
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious behavior: EnumeratesProcesses
        PID:760
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2652
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        PID:2976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del 8bf87026bc88360e76a197d4e4804281_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1856
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\2gal.exe
    Filesize

    124KB

    MD5

    b87ba20f00e6a88f59b4553cea7b9d1f

    SHA1

    1ed552e7b9f746eb15c9c28375757a37e22d6b01

    SHA256

    dcb0fe1a43622940710ddfb0092310b4dbec0e33734ca4f821e3e0676c856c20

    SHA512

    f836240e5540a8b3d7492251a9bb2fecd7264418aa8815c3a4efd1dc4691cc5c17d5ce29bf3083397e16255236484cb702cdf0c18ba8c73a6c9b380d7f1f2864

    Download Submit

  • \Users\Admin\gatij.exe
    Filesize

    228KB

    MD5

    f21e0984313e3c5df29d682f8f5ca359

    SHA1

    0ba24da4ca25bff4b227ae899dccc26273c99908

    SHA256

    154a34142cf735815d8a42b2d0e1820fbbd4390ae781ea1765478d7124a128ee

    SHA512

    e901b6895c4370596a82e13ff8de1827eb484bfa6cdc52a66c38e9fc0e67eb7075eb557ea4b5f4ccb4229282822a5ca73e5d12648d7c9761c688a6a7ec54acaf

    Download Submit

  • \Users\Admin\pmuEma.exe
    Filesize

    228KB

    MD5

    ad9cc8240daec36c262060e8e8b56883

    SHA1

    c04edbee2e80d1be34ef66cbda894c17bd19ffec

    SHA256

    baf38692de9b19c79fc98686a16f8f557b6cd6cf483669b589e4f7ed84e9ed24

    SHA512

    0a3a0f52aa77a5bc9f38aba3114fcf5a93f3d12a533afb98c3a9688e5364edec6929105e2962f3ce7b0798ac4bc6e5f6619929d428e563f0aa2fea1aacb2d05b

    Download Submit

  • memory/760-65-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/760-98-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/760-85-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/760-86-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/760-87-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/760-67-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/760-69-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/760-72-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2056-45-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2056-94-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2056-50-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2056-41-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2056-43-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2056-46-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2056-39-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2056-48-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2196-28-0x0000000003820000-0x00000000042DA000-memory.dmp

    Filesize

    10.7MB

    Download

  • memory/2644-58-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2644-60-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2644-62-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2644-55-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2644-53-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2644-51-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2644-61-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2652-84-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2652-83-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2652-81-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2652-78-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2652-76-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download

  • memory/2652-99-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

    Download