6d58dd6505f695574c92ca0f16be887e1a20bf231f12a668c2f494879ad47a53

Analysis

max time kernel
138s
max time network
134s
platform
windows10_x64
resource
win10v20201028
submitted
26-11-2020 16:03

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General

Target

document-1555793858.xls
Size

331KB
MD5

e56ef6b8c8a0c46cea2c89bded7ebd25
SHA1

1eabbbeb43e6401198f043833d729a611a06da66
SHA256

6d58dd6505f695574c92ca0f16be887e1a20bf231f12a668c2f494879ad47a53
SHA512

3f35d46ba1b571e91dc7af1feedbbb54f958fa0c09a0b345f35d7a50904a9e62a172b915165d292719631d28269eef606aae04db80341fa034442a958504ed2c

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	2916	8	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

8 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

8 EXCEL.EXE
8 EXCEL.EXE
Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid process

8 EXCEL.EXE
8 EXCEL.EXE
8 EXCEL.EXE
8 EXCEL.EXE
8 EXCEL.EXE
8 EXCEL.EXE
8 EXCEL.EXE
8 EXCEL.EXE
8 EXCEL.EXE
8 EXCEL.EXE
8 EXCEL.EXE
8 EXCEL.EXE
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 8 wrote to memory of 2916 8 EXCEL.EXE regsvr32.exe
PID 8 wrote to memory of 2916 8 EXCEL.EXE regsvr32.exe

pid	process
8	EXCEL.EXE

pid	process
8	EXCEL.EXE
8	EXCEL.EXE

pid	process
8	EXCEL.EXE
8	EXCEL.EXE
8	EXCEL.EXE
8	EXCEL.EXE
8	EXCEL.EXE
8	EXCEL.EXE
8	EXCEL.EXE
8	EXCEL.EXE
8	EXCEL.EXE
8	EXCEL.EXE
8	EXCEL.EXE
8	EXCEL.EXE

description	pid	process	target process
PID 8 wrote to memory of 2916	8	EXCEL.EXE	regsvr32.exe
PID 8 wrote to memory of 2916	8	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-1555793858.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:8

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
2⤵
- Process spawned unexpected child process
PID:2916

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/8-2-0x00007FFF2C060000-0x00007FFF2C697000-memory.dmp

Filesize
6.2MB

Download
memory/2916-3-0x0000000000000000-mapping.dmp

Download