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Overview

overview

10

Static

static

3

8ba453f79e...18.exe

windows7-x64

10

8ba453f79e...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 19:15

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General

  • Target

    8ba453f79ebd16a8905484681918c2f0_JaffaCakes118.exe

  • Size

    413KB

  • MD5

    8ba453f79ebd16a8905484681918c2f0

  • SHA1

    9de5f96e61156db2bf6c6379fafe70443a4dcc81

  • SHA256

    a584e4a5826b492a01e11f63f0f9b88bd0dad58c2e3d9070329996d6286b5309

  • SHA512

    1db779bd65bd73dd74e66d5bb618dddf36da4505f63a0d599972557ebe2393041941c764a47345824bcf962e22909a7a5f6d33310b203135441504f0ca1e5168

  • SSDEEP

    6144:Q7/7Wn2iBqScSkltGne4D64jdMcmR5HYfEsq4DKxZtmCmUbLZOTvoU:Q7TykFILjdbmR54csq4DK/tOTwU

Score
10/10
discoverypersistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 5 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ba453f79ebd16a8905484681918c2f0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8ba453f79ebd16a8905484681918c2f0_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\ProgramData\mC33411OeLoI33411\mC33411OeLoI33411.exe
      "C:\ProgramData\mC33411OeLoI33411\mC33411OeLoI33411.exe" "C:\Users\Admin\AppData\Local\Temp\8ba453f79ebd16a8905484681918c2f0_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\mC33411OeLoI33411\mC33411OeLoI33411.exe
    Filesize

    413KB

    MD5

    e9136600020fafcf3061f2488e03c501

    SHA1

    da1a627635c294fc8e1315100705befc2758e391

    SHA256

    c64a0ea56e87062d67bab7288e5795aafab380ded72c95b311b7141d5a089b2a

    SHA512

    facb9a949f56794460ab78868e771197ce36691fe28971eea717aedcc8c07162720b180020cda89fc7aa71b2225393bfe7dc89f77dd8fed6f52034a0ae9da506

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  • memory/1900-0-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB

    Download

  • memory/1900-1-0x0000000000400000-0x00000000004D2000-memory.dmp

    Filesize

    840KB

    Download

  • memory/1900-10-0x0000000000400000-0x00000000004D2000-memory.dmp

    Filesize

    840KB

    Download

  • memory/1900-31-0x0000000000400000-0x00000000004D2000-memory.dmp

    Filesize

    840KB

    Download

  • memory/2428-32-0x0000000000400000-0x00000000004D2000-memory.dmp

    Filesize

    840KB

    Download

  • memory/2428-33-0x0000000000400000-0x00000000004D2000-memory.dmp

    Filesize

    840KB

    Download

  • memory/2428-40-0x0000000000400000-0x00000000004D2000-memory.dmp

    Filesize

    840KB

    Download