a24839909a0b5b154debd7ff9b7a78bb87b135883c2b39b011953240c8a70a10

Analysis

max time kernel
139s
max time network
136s
platform
windows10_x64
resource
win10v20201028
submitted
26-11-2020 16:02

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General

Target

document-1462893690.xls
Size

331KB
MD5

24dfeede02ed4c7d0d2eb6fc0c3b8add
SHA1

8c2c93eb5cb4543bfa2b323df14f87ec87d9e1c3
SHA256

a24839909a0b5b154debd7ff9b7a78bb87b135883c2b39b011953240c8a70a10
SHA512

2cbf8076b250f21ddf9b21102a7d9a329baa8c14bf0fbd5e505ee003db752ce4ecd204f867b83104df72e2ed295530683e958eff97299655363196e06193940a

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	2000	988	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

988 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

988 EXCEL.EXE
988 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 988 wrote to memory of 2000 988 EXCEL.EXE regsvr32.exe
PID 988 wrote to memory of 2000 988 EXCEL.EXE regsvr32.exe

description	pid	process	target process
PID 988 wrote to memory of 2000	988	EXCEL.EXE	regsvr32.exe
PID 988 wrote to memory of 2000	988	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-1462893690.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:988

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
2⤵
- Process spawned unexpected child process
PID:2000

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/988-2-0x00007FFA144B0000-0x00007FFA14AE7000-memory.dmp

Filesize
6.2MB

Download
memory/2000-3-0x0000000000000000-mapping.dmp

Download