Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 01:01

General

  • Target

    fe0f5ae3b710eec1e619608577db6799_JaffaCakes118.xls

  • Size

    120KB

  • MD5

    fe0f5ae3b710eec1e619608577db6799

  • SHA1

    9dd9b0f059bc2ad4ee5f99ecf85646fc9387d8c7

  • SHA256

    50ade8417dbe90a185704054a83aae74d5bbf2c7cdb4de211b3a11a2990de207

  • SHA512

    1b3f12e2b565d654abc66d091c6eb2a1ff7b9d26eb88ac7068566363edd603fb7952f1eb76561ec6aaa86a3f69e5029f3bbd0157a5e15cbd0101bfdae7bdb557

  • SSDEEP

    3072:It1olbY7GpWoWVbrzQ7ITk932AJtXww5kjFB:It1olTG2

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 3 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious Office macro 1 IoCs

    Office document equipped with 4.0 macros.

  • Deletes itself 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\fe0f5ae3b710eec1e619608577db6799_JaffaCakes118.xls"
    1⤵
    • Deletes itself
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1500
      • C:\Windows\system32\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:4616
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      PID:1356
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      PID:3516

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\fe0f5ae3b710eec1e619608577db6799_JaffaCakes118.xls
    Filesize

    143KB

    MD5

    d2c03f086445a9aa39b4c5f48b9cee7f

    SHA1

    6f94693e4b42a8b0b148e387526e9ae905f15da9

    SHA256

    9bc0d77a42d04bf757800bf874c1c9262797ad956bc1c51e3e588261d40f802e

    SHA512

    651944c955531be6b1ac35e2a95884d0e5e8d11d4095b735423f5e29daf97a52443fba07bac058d4ea59d68b8b573a1bb32b97766d892a7c8089d77afeb8cb64

  • memory/4856-0-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmp
    Filesize

    64KB

  • memory/4856-2-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmp
    Filesize

    64KB

  • memory/4856-1-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmp
    Filesize

    64KB

  • memory/4856-3-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-4-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-8-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmp
    Filesize

    64KB

  • memory/4856-7-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-6-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-5-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmp
    Filesize

    64KB

  • memory/4856-9-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-10-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-11-0x00007FFB17310000-0x00007FFB17320000-memory.dmp
    Filesize

    64KB

  • memory/4856-12-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-13-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-14-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-15-0x00007FFB17310000-0x00007FFB17320000-memory.dmp
    Filesize

    64KB

  • memory/4856-16-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-17-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-18-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-19-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-20-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-22-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-21-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-36-0x0000014D80390000-0x0000014D80B90000-memory.dmp
    Filesize

    8.0MB

  • memory/4856-48-0x0000014D80390000-0x0000014D80B90000-memory.dmp
    Filesize

    8.0MB

  • memory/4856-51-0x0000014D80390000-0x0000014D80B90000-memory.dmp
    Filesize

    8.0MB

  • memory/4856-54-0x0000014D80390000-0x0000014D80B90000-memory.dmp
    Filesize

    8.0MB

  • memory/4856-58-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-60-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-64-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-67-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-71-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-77-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-81-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-84-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-103-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-113-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-116-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-117-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-118-0x0000014D80390000-0x0000014D80B90000-memory.dmp
    Filesize

    8.0MB

  • memory/4856-119-0x0000014D80390000-0x0000014D80B90000-memory.dmp
    Filesize

    8.0MB

  • memory/4856-120-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-121-0x0000014D80390000-0x0000014D80B90000-memory.dmp
    Filesize

    8.0MB

  • memory/4856-122-0x0000014D80390000-0x0000014D80B90000-memory.dmp
    Filesize

    8.0MB

  • memory/4856-123-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-124-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-125-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-126-0x0000014D85450000-0x0000014D86420000-memory.dmp
    Filesize

    15.8MB

  • memory/4856-142-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmp
    Filesize

    64KB

  • memory/4856-143-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmp
    Filesize

    64KB

  • memory/4856-144-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmp
    Filesize

    64KB

  • memory/4856-145-0x00007FFB19A10000-0x00007FFB19A20000-memory.dmp
    Filesize

    64KB

  • memory/4856-147-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB

  • memory/4856-146-0x00007FFB59990000-0x00007FFB59B85000-memory.dmp
    Filesize

    2.0MB