5377eaa9340bcd1c8c52c6377e740e3f6c6d2b90437c4a3d09182ffff15fa812

General

Target

f1e75d45f61d42ec7ddd4289f9891c95_JaffaCakes118.xlsm
Size

158KB
MD5

f1e75d45f61d42ec7ddd4289f9891c95
SHA1

e036fee394916dc607780e8e95a1dea5e57b7feb
SHA256

5377eaa9340bcd1c8c52c6377e740e3f6c6d2b90437c4a3d09182ffff15fa812
SHA512

0af348f239a69621d81fed94d50fabaa48d3197e4199466dd2622d47d9b1d13740499d1decb7b3605679abf3367f2febce8cef8152662c953d99251b1a0e1fb0
SSDEEP

3072:rHlTkdm3bGeAxidxVymd1xXPMU9VlUBWA6CFvA7bRCxAVIKKNB:rFTkeGKdxVyWxfMU3liWA6FsYq

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://biopaten.no/xeBP8Oj5/gg.html

xlm40.dropper

https://beartoothkawasaki.com/QJT19jhtwHt/gg.html

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

regsvr32.exeregsvr32.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	3992	3604	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3648	3604	regsvr32.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 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

3604 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE
3604	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3604 wrote to memory of 472	3604	EXCEL.EXE	splwow64.exe
PID 3604 wrote to memory of 472	3604	EXCEL.EXE	splwow64.exe
PID 3604 wrote to memory of 3992	3604	EXCEL.EXE	regsvr32.exe
PID 3604 wrote to memory of 3992	3604	EXCEL.EXE	regsvr32.exe
PID 3604 wrote to memory of 3648	3604	EXCEL.EXE	regsvr32.exe
PID 3604 wrote to memory of 3648	3604	EXCEL.EXE	regsvr32.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\f1e75d45f61d42ec7ddd4289f9891c95_JaffaCakes118.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3604

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:472

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 ..\cexyz1.dll
2⤵
- Process spawned unexpected child process
PID:3992

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 ..\cexyz2.dll
2⤵
- Process spawned unexpected child process
PID:3648

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:2980

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/3604-0-0x00007FF9E8FD0000-0x00007FF9E8FE0000-memory.dmp

Filesize
64KB

Download
memory/3604-1-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-2-0x00007FF9E8FD0000-0x00007FF9E8FE0000-memory.dmp

Filesize
64KB

Download
memory/3604-5-0x00007FF9E8FD0000-0x00007FF9E8FE0000-memory.dmp

Filesize
64KB

Download
memory/3604-6-0x00007FF9E8FD0000-0x00007FF9E8FE0000-memory.dmp

Filesize
64KB

Download
memory/3604-4-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-3-0x00007FF9E8FD0000-0x00007FF9E8FE0000-memory.dmp

Filesize
64KB

Download
memory/3604-7-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-8-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-9-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-11-0x00007FF9E6780000-0x00007FF9E6790000-memory.dmp

Filesize
64KB

Download
memory/3604-12-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-10-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-13-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-15-0x00007FF9E6780000-0x00007FF9E6790000-memory.dmp

Filesize
64KB

Download
memory/3604-14-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-16-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-18-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-19-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-20-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-17-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-21-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-22-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-23-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download
memory/3604-30-0x00007FFA28F50000-0x00007FFA29145000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads