17ba91842011e4c9425941535795e54382df53744ba4e4124f9b3918294b25e3

Analysis

max time kernel
141s
max time network
136s
platform
windows10_x64
resource
win10v20201028
submitted
26-11-2020 16:02

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General

Target

document-146332176.xls
Size

331KB
MD5

733cee967d5f169777340da56a2f6821
SHA1

dc14ce8e3c0526b85822c8f602d3da857c9f5c69
SHA256

17ba91842011e4c9425941535795e54382df53744ba4e4124f9b3918294b25e3
SHA512

e345c5b546d03911e134f86dcea73ef4360b6288e187ceefbfc66fdab7c3dc12a3f499dbe1172c6f8f18654bc40e10838b02b02ceeba2c4cfcfb122f16a93281

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	1524	1056	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1056 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1056 wrote to memory of 1524	1056	EXCEL.EXE	regsvr32.exe
PID 1056 wrote to memory of 1524	1056	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-146332176.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
2⤵
- Process spawned unexpected child process
PID:1524

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/1056-2-0x00007FFEA3F70000-0x00007FFEA45A7000-memory.dmp

Filesize
6.2MB

Download
memory/1524-3-0x0000000000000000-mapping.dmp

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