Analysis

  • max time kernel
    131s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    18-04-2024 20:59

General

  • Target

    f8bc15e2615d9e8785b01a43238a0d49_JaffaCakes118.exe

  • Size

    57KB

  • MD5

    f8bc15e2615d9e8785b01a43238a0d49

  • SHA1

    bdb1ee853c42ce148615260da62e9e9a98d3b032

  • SHA256

    cb8e12b2397aedf0cfcb13b4ecd67bfd5c90b6255d95e2ec0b09eb13ab4e442d

  • SHA512

    005d3337b3fa43296eca49ea026273e2ccb98c5370b5d245573e157d2803c1e69683424c7a28725a1a663857c237811d806b8a621c64e51da13a34c9b98cf6a3

  • SSDEEP

    384:RqDpIP+1N7OYRt5lvpW3ZW9lbQn86NQsImrIX/Gvj/8RXSp3giIaidm0w0gZyuEf:0D9xXxaZ0Qn86IdJRXTiIaqhXsyvR58c

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8bc15e2615d9e8785b01a43238a0d49_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f8bc15e2615d9e8785b01a43238a0d49_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Users\Admin\AppData\Local\Temp\pinch.exe
      "C:\Users\Admin\AppData\Local\Temp\pinch.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_win_path
      PID:2296
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde
      2⤵
      • Enumerates system info in registry
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2536

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Ëèñò Microsoft Excel.xls
    Filesize

    13KB

    MD5

    94d719398e11c54aec1c3c3ea92a9b1e

    SHA1

    5152fca344859c791abaa1a09429b6bca3b2ff69

    SHA256

    a4102aab02b7e7b306f318fb59e335ab5592a15501a36a23952088b856a299c7

    SHA512

    f5aae4ef64d46d35a53bcab37f1772c7caef2c339d4ecd958e676373c18d19e5aecf3dc2b0d6f3d58d19e686918a09e95ea966324da1c0e9190e4a5170d33faa

  • \Users\Admin\AppData\Local\Temp\pinch.exe
    Filesize

    41KB

    MD5

    7f5ca412e9c0caf59902d688dc704235

    SHA1

    dc694b2f0c2dd1c5bedea00917b33b766c284557

    SHA256

    298019397fca6fa9f0a99f6fce4f39fe09bd79cf28707f3cc06919027363109a

    SHA512

    eb317ee1c7f35362c98b13af9c5e9a917346639402d5cbb1ffd426cde2542c3d12aee0b10afd519edc5f9ac9d32518dbed7e656d02c236460b181a0549115c1f

  • memory/2200-9-0x0000000032960000-0x0000000032998000-memory.dmp
    Filesize

    224KB

  • memory/2200-12-0x0000000032960000-0x0000000032998000-memory.dmp
    Filesize

    224KB

  • memory/2296-11-0x0000000013140000-0x0000000013178000-memory.dmp
    Filesize

    224KB

  • memory/2536-13-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2536-14-0x00000000728ED000-0x00000000728F8000-memory.dmp
    Filesize

    44KB

  • memory/2536-16-0x00000000728ED000-0x00000000728F8000-memory.dmp
    Filesize

    44KB

  • memory/2536-17-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2536-18-0x00000000728ED000-0x00000000728F8000-memory.dmp
    Filesize

    44KB