0b7aa69b5e151085640c2fbcd4e9bc1a219675d715a06ad1902f807031dd4e57

Analysis

max time kernel
144s
max time network
142s
platform
windows10_x64
resource
win10v20201028
submitted
26-11-2020 16:02

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General

Target

document-1459416201.xls
Size

331KB
MD5

16c43592a0d37a48bb1cc8e7296ed145
SHA1

be882ab03c1c87718fb7a4741bd926fa99b8d625
SHA256

0b7aa69b5e151085640c2fbcd4e9bc1a219675d715a06ad1902f807031dd4e57
SHA512

678441a01afa90eea98327a138f877b30ec6002c3b8fbb52fc797b467fdfcadc880434ec665556b5ecd33e1d94584151618ae7871381481c272aa0a8eaa5c1e3

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:

regsvr32.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	2732	812	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

812 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

812 EXCEL.EXE
812 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
812	EXCEL.EXE
812	EXCEL.EXE
812	EXCEL.EXE
812	EXCEL.EXE
812	EXCEL.EXE
812	EXCEL.EXE
812	EXCEL.EXE
812	EXCEL.EXE
812	EXCEL.EXE
812	EXCEL.EXE
812	EXCEL.EXE
812	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 812 wrote to memory of 2732 812 EXCEL.EXE regsvr32.exe
PID 812 wrote to memory of 2732 812 EXCEL.EXE regsvr32.exe

description	pid	process	target process
PID 812 wrote to memory of 2732	812	EXCEL.EXE	regsvr32.exe
PID 812 wrote to memory of 2732	812	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\document-1459416201.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:812

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
2⤵
- Process spawned unexpected child process
PID:2732

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/812-2-0x00007FFB84BF0000-0x00007FFB85227000-memory.dmp

Filesize
6.2MB

Download
memory/2732-3-0x0000000000000000-mapping.dmp

Download