d294b0046ce00b9fefa1370261770c690b9196f4c40c47bcf7c2dc3fe48ce55d

Analysis

max time kernel
139s
max time network
128s
platform
windows10_x64
resource
win10v20201028
submitted
26-11-2020 16:02

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General

Target

document-1463039695.xls
Size

332KB
MD5

42df2a1a60d430ed42f62d6c59148ceb
SHA1

56b68a061e131d8a7c9d53d7ea79c0d91bbdaff0
SHA256

d294b0046ce00b9fefa1370261770c690b9196f4c40c47bcf7c2dc3fe48ce55d
SHA512

313099b5b4b912ee0b280697ea0945dca842a5e352367ed94c4134c3831317e5e8af83d930b82a70597be61f8656278e90e9eabe48dbbb40e6be31cf6ddebc1d

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	2976	412	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

412 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

412 EXCEL.EXE
412 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 412 wrote to memory of 2976 412 EXCEL.EXE regsvr32.exe
PID 412 wrote to memory of 2976 412 EXCEL.EXE regsvr32.exe

description	pid	process	target process
PID 412 wrote to memory of 2976	412	EXCEL.EXE	regsvr32.exe
PID 412 wrote to memory of 2976	412	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-1463039695.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:412

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
2⤵
- Process spawned unexpected child process
PID:2976

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/412-2-0x00007FF802FC0000-0x00007FF8035F7000-memory.dmp

Filesize
6.2MB

Download
memory/2976-3-0x0000000000000000-mapping.dmp

Download