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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
    02/08/2024, 01:05

General

  • Target

    82718eca9ca95b7e5a455b0c56da032c_JaffaCakes118.exe

  • Size

    317KB

  • MD5

    82718eca9ca95b7e5a455b0c56da032c

  • SHA1

    d3afa35da6b3b30a19a4a15ffc95c293692864ef

  • SHA256

    128d109362cca576283571260b3206da719434d74bf9072afe43ec727148d024

  • SHA512

    e1babf7ba644c56d41c1e0fd57c9ae9719b829b9aff323c3ab36c88a284be304a11341ea87d3d77fced5d74ade1f94fcafc84fe894d09d7ebef76d972f8259fe

  • SSDEEP

    6144:zZvERPh5qe7/JFB7XYdjSYGioU8DmiUtH:zaRP2e7/JFTD1UtH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 9 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82718eca9ca95b7e5a455b0c56da032c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\82718eca9ca95b7e5a455b0c56da032c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\ProgramData\pMdKpLj10400\pMdKpLj10400.exe
      "C:\ProgramData\pMdKpLj10400\pMdKpLj10400.exe" "C:\Users\Admin\AppData\Local\Temp\82718eca9ca95b7e5a455b0c56da032c_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\pMdKpLj10400\pMdKpLj10400.exe

    Filesize

    317KB

    MD5

    7f7519ba71cf8198354ff914766e7189

    SHA1

    663146904afbd7e8a9f7686fe55459a2fb6750e9

    SHA256

    00c9c52843eed6357a29ba56c8dfa0f98f321b03aa7f3aa93d6dd49c9999a957

    SHA512

    8254b2ab3498c94c5db313be3f3cc417fab0d1344923c4a21c94d580bd2717073fb36a4ac128a95442f403e16c5be64b44d8b9c0828fb99ba215ffec2b0cd680

  • memory/2324-29-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2324-1-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2324-5-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2324-3-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2324-4-0x0000000000468000-0x00000000004B1000-memory.dmp

    Filesize

    292KB

  • memory/2324-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2324-35-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2324-26-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2460-23-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2460-27-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2460-34-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2460-22-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2460-36-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB