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Overview

overview

10

Static

static

3

6a25ac6cb5...18.exe

windows7-x64

10

6a25ac6cb5...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 03:52

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General

  • Target

    6a25ac6cb56675a00eaef59fa44126ff_JaffaCakes118.exe

  • Size

    256KB

  • MD5

    6a25ac6cb56675a00eaef59fa44126ff

  • SHA1

    33ce275fefa3cf530ebd19ad45eb63955b7739a9

  • SHA256

    b41a84f48eca6b5925c74d04f2e112858d01eacd4b1e7fe4c66c31b94463e717

  • SHA512

    3d6c95521d9ee2a8fd9653be1a6bf2a91af466efb3dab4d98d114af0a36948d65401925291407315d05683794a09667cadacce55a1deaedefd0b8d6e01656094

  • SSDEEP

    6144:+7RPGkG+2O01WQY4MyTjGMT8N00lFKgOLpE4dFbbxGo:+7RekGLO0CyvGMT8N00GlDM

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 8 IoCs
  • UPX packed file 17 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).

  • Program crash 1 IoCs
  • 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 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a25ac6cb56675a00eaef59fa44126ff_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6a25ac6cb56675a00eaef59fa44126ff_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3620
    • C:\Users\Admin\pmuEma.exe
      C:\Users\Admin\pmuEma.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Users\Admin\tiaba.exe
        "C:\Users\Admin\tiaba.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
        • Suspicious use of WriteProcessMemory
        PID:1692
      • 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:1124
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2312
    • 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:4700
      • 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:852
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:3636
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious behavior: EnumeratesProcesses
        PID:4856
      • 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:1144
      • C:\Users\Admin\2gal.exe
        "C:\Users\Admin\2gal.exe"
        3⤵
        • Executes dropped EXE
        PID:2448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 80
          4⤵
          • Program crash
          PID:3080
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del 6a25ac6cb56675a00eaef59fa44126ff_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4488
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2448 -ip 2448
    1⤵
      PID:752

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\2gal.exe
      Filesize

      124KB

      MD5

      b87ba20f00e6a88f59b4553cea7b9d1f

      SHA1

      1ed552e7b9f746eb15c9c28375757a37e22d6b01

      SHA256

      dcb0fe1a43622940710ddfb0092310b4dbec0e33734ca4f821e3e0676c856c20

      SHA512

      f836240e5540a8b3d7492251a9bb2fecd7264418aa8815c3a4efd1dc4691cc5c17d5ce29bf3083397e16255236484cb702cdf0c18ba8c73a6c9b380d7f1f2864

      Download Submit

    • C:\Users\Admin\pmuEma.exe
      Filesize

      228KB

      MD5

      ad9cc8240daec36c262060e8e8b56883

      SHA1

      c04edbee2e80d1be34ef66cbda894c17bd19ffec

      SHA256

      baf38692de9b19c79fc98686a16f8f557b6cd6cf483669b589e4f7ed84e9ed24

      SHA512

      0a3a0f52aa77a5bc9f38aba3114fcf5a93f3d12a533afb98c3a9688e5364edec6929105e2962f3ce7b0798ac4bc6e5f6619929d428e563f0aa2fea1aacb2d05b

      Download Submit

    • C:\Users\Admin\tiaba.exe
      Filesize

      228KB

      MD5

      aaaa1e32df6c502fcd98b73303cf3d7e

      SHA1

      64cd9ea147823093c46b169f63000240e0cd926c

      SHA256

      80770c498f5de0fbf58667c0f30b928b62fe3a0573bf7bb3a70596c9ee2f3984

      SHA512

      9fb19144d8a41c59317c97ec324989806e8036052bf95850e0685aa84807f2113b5a381461b33b6bc9e845a3dac737f714d957cf3cdb936500a1d7a2960b22ab

      Download Submit

    • memory/852-50-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/852-47-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/852-52-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/852-74-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1144-63-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1144-69-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1144-71-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1144-81-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/3636-57-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3636-54-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3636-60-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3636-58-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/4856-68-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/4856-66-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/4856-65-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/4856-61-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/4856-80-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download