af653cf24e72f8b17eb0faa331ce540ed7cc4c602dfd73380e7f63493d6b2158

Analysis

max time kernel
144s
max time network
145s
platform
windows10_x64
resource
win10v20201028
submitted
26-11-2020 16:03

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General

Target

document-1502812177.xls
Size

331KB
MD5

3fe1a7ebb1d2f45ca2832f3be1e9742a
SHA1

a8febe2ab12238f693f0c4323b23e853fd5cf001
SHA256

af653cf24e72f8b17eb0faa331ce540ed7cc4c602dfd73380e7f63493d6b2158
SHA512

3386aab35156754f86bce68096ecf25947f077aec7f72974a1edccf3486ed22908c4daa0c74874deeee673bb78a6db65aa4985b5277e5693f38a1f3df23fb480

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	1332	1628	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

1628 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1628 EXCEL.EXE
1628 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1628 wrote to memory of 1332	1628	EXCEL.EXE	regsvr32.exe
PID 1628 wrote to memory of 1332	1628	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-1502812177.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:1628

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
2⤵
- Process spawned unexpected child process
PID:1332

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/1332-3-0x0000000000000000-mapping.dmp

Download
memory/1628-2-0x00007FF81F9E0000-0x00007FF820017000-memory.dmp

Filesize
6.2MB

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