9a44a91e71d440fef97310e64af7ca6e46c9b13ad8fafae0d5bc3af114d1cb49

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 02:05

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General

Target

f4cdc2e286419d3deff79f1f9d295d15_JaffaCakes118.xls
Size

1.7MB
MD5

f4cdc2e286419d3deff79f1f9d295d15
SHA1

5dbad8455a46c7f71cd3485b931aacb5f0da09f1
SHA256

9a44a91e71d440fef97310e64af7ca6e46c9b13ad8fafae0d5bc3af114d1cb49
SHA512

4cc67d126d45664f75585045cfd08aa7312a2762dd14e8fa390613a8673b4a0d46d6df0a0679903cc8375b76bff3b226e258c4bbeb4dec230a241d184b0855bc
SSDEEP

24576:PNykYavbZ8igbN3GGZEb2ViOpHbyCjyYKBE7Tk2WDs:PnFvGZ3VViOpHbyCjyYKBE7Tk2r

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4364 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4364 EXCEL.EXE
4364 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE
4364	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4364 wrote to memory of 1764	4364	EXCEL.EXE	splwow64.exe
PID 4364 wrote to memory of 1764	4364	EXCEL.EXE	splwow64.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f4cdc2e286419d3deff79f1f9d295d15_JaffaCakes118.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4364

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1764

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:1780

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4364-0-0x00007FF87D570000-0x00007FF87D580000-memory.dmp

Filesize
64KB

Download
memory/4364-1-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-3-0x00007FF87D570000-0x00007FF87D580000-memory.dmp

Filesize
64KB

Download
memory/4364-4-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-2-0x00007FF87D570000-0x00007FF87D580000-memory.dmp

Filesize
64KB

Download
memory/4364-5-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-7-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-6-0x00007FF87D570000-0x00007FF87D580000-memory.dmp

Filesize
64KB

Download
memory/4364-8-0x00007FF87D570000-0x00007FF87D580000-memory.dmp

Filesize
64KB

Download
memory/4364-9-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-10-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-11-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-12-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-13-0x00007FF87AF90000-0x00007FF87AFA0000-memory.dmp

Filesize
64KB

Download
memory/4364-14-0x00007FF87AF90000-0x00007FF87AFA0000-memory.dmp

Filesize
64KB

Download
memory/4364-15-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-16-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-17-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-18-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-19-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-20-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-30-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download
memory/4364-33-0x00007FF8BD4F0000-0x00007FF8BD6E5000-memory.dmp

Filesize
2.0MB

Download