0c7a422564e9f17c0e289f9451e15d91569f44788516bd36cb4d7275789927d5

General

Target

344b9e00daaefcc44240612f7012c493_JaffaCakes118.xlsm
Size

44KB
MD5

344b9e00daaefcc44240612f7012c493
SHA1

15493db4147d25fdf173e0af2afea604ac11b9f4
SHA256

0c7a422564e9f17c0e289f9451e15d91569f44788516bd36cb4d7275789927d5
SHA512

62acbc16042339d16ff278bde53749244da6883cc5a68cbfd0c304fc1afeb29ac787493749a96d18d92440c0fc21e006159590a887ba3be7e85a043f9ce23d8d
SSDEEP

768:Zu6yBl1ELHlW754rHG+VySMu0EXvV3z1V2ZA81GwQ0nItejELLHKvc/SlQGu:ZVyBleXVVM2/VZV2ZpGH0nIcjELcc/3J

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

wscript.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1760	4804	wscript.exe	EXCEL.EXE

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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

NTFS ADS 3 IoCs

Processes:

EXCEL.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{FAB028A4-0EFF-4F17-9592-CF40F4148E6B}\yy:Zone.Identifier	EXCEL.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{FAB028A4-0EFF-4F17-9592-CF40F4148E6B}\xx:Zone.Identifier	EXCEL.EXE
File created	C:\programdata\asc.txt:script1.vbs	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4804 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE
4804	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4804 wrote to memory of 4480	4804	EXCEL.EXE	splwow64.exe
PID 4804 wrote to memory of 4480	4804	EXCEL.EXE	splwow64.exe
PID 4804 wrote to memory of 1760	4804	EXCEL.EXE	wscript.exe
PID 4804 wrote to memory of 1760	4804	EXCEL.EXE	wscript.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\344b9e00daaefcc44240612f7012c493_JaffaCakes118.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4804

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4480

C:\Windows\System32\wscript.exe
C:\Windows\System32\wscript.exe C:\programdata\asc.txt:script1.vbs
2⤵
- Process spawned unexpected child process
PID:1760

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4380

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4356,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
1⤵
PID:4504

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\programdata\asc.txt:script1.vbs
Filesize
8KB

MD5
d20ab310b44441cdaaf71071cc412ce2

SHA1
48669682fb611d1f7bfe70d9e30245db09b4101a

SHA256
672db2864d8de3ef0b0bcbd3b07fad13973bc0c34146523860dbf4ffd4320bfa

SHA512
444fae238cea6201c25a3e07fadc2f46ae7555c750289183850ecccd1de8a778d110bf35cd48d495bc0d2fc59c440621b5661a4d83d693a3643bfff9d21fdbb7

Download Submit
memory/4804-22-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-6-0x00007FF808370000-0x00007FF808380000-memory.dmp

Filesize
64KB

Download
memory/4804-5-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-21-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-8-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-7-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-10-0x00007FF806310000-0x00007FF806320000-memory.dmp

Filesize
64KB

Download
memory/4804-19-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-4-0x00007FF808370000-0x00007FF808380000-memory.dmp

Filesize
64KB

Download
memory/4804-11-0x00007FF806310000-0x00007FF806320000-memory.dmp

Filesize
64KB

Download
memory/4804-3-0x00007FF808370000-0x00007FF808380000-memory.dmp

Filesize
64KB

Download
memory/4804-15-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-18-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-17-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-23-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-0-0x00007FF808370000-0x00007FF808380000-memory.dmp

Filesize
64KB

Download
memory/4804-9-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-2-0x00007FF808370000-0x00007FF808380000-memory.dmp

Filesize
64KB

Download
memory/4804-20-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-16-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-14-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-13-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-12-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-45-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-46-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-44-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-51-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-1-0x00007FF84838D000-0x00007FF84838E000-memory.dmp

Filesize
4KB

Download
memory/4804-55-0x00007FF84838D000-0x00007FF84838E000-memory.dmp

Filesize
4KB

Download
memory/4804-56-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-57-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-58-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download
memory/4804-59-0x00007FF8482F0000-0x00007FF8484E5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads