890b8f6aca95f37e83ce18d769171a043ed8c24d783d358d6d6db464804243ff

Analysis

max time kernel
139s
max time network
137s
platform
windows10_x64
resource
win10v20201028
submitted
26-11-2020 16:03

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General

Target

document-1510588220.xls
Size

331KB
MD5

c7df73dd7808486ab41500049f73f89f
SHA1

6e31d6f6233a148d14c200db4ccf8406cf8ed36f
SHA256

890b8f6aca95f37e83ce18d769171a043ed8c24d783d358d6d6db464804243ff
SHA512

eed1d0ba7c3a324abe5d728ca2f9a5eb84e672888e3afcf67bc0c36193170451101d343f688d6300e00686ad4235c5bcb419e5e46977236c58201d20ccfac08f

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	204	832	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\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

832 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
832	EXCEL.EXE
832	EXCEL.EXE
832	EXCEL.EXE
832	EXCEL.EXE
832	EXCEL.EXE
832	EXCEL.EXE
832	EXCEL.EXE
832	EXCEL.EXE
832	EXCEL.EXE
832	EXCEL.EXE
832	EXCEL.EXE
832	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 832 wrote to memory of 204 832 EXCEL.EXE regsvr32.exe
PID 832 wrote to memory of 204 832 EXCEL.EXE regsvr32.exe

description	pid	process	target process
PID 832 wrote to memory of 204	832	EXCEL.EXE	regsvr32.exe
PID 832 wrote to memory of 204	832	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-1510588220.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
2⤵
- Process spawned unexpected child process
PID:204

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/204-3-0x0000000000000000-mapping.dmp

Download
memory/832-2-0x00007FFAEE360000-0x00007FFAEE997000-memory.dmp

Filesize
6.2MB

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