47d51ec0eb230d461f6661111a9471b028c373ea96e80efbbf61851537569edb

Analysis

max time kernel
140s
max time network
141s
platform
windows10_x64
resource
win10v20201028
submitted
26-11-2020 16:02

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General

Target

document-1469869648.xls
Size

331KB
MD5

453693734e1a463494864bd78f255b1c
SHA1

8adbbc70375588f44988de2f2e79c5cbb5a0488a
SHA256

47d51ec0eb230d461f6661111a9471b028c373ea96e80efbbf61851537569edb
SHA512

28226d26f6e89bd381da7114eb8fe671af1bdabaf499da23b0c1856077abe83244a71b97beb31ba96052c5f4d52b1716ac27eb22dc2b4450afc82fc4257213d6

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	208	984	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

984 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

984 EXCEL.EXE
984 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 984 wrote to memory of 208 984 EXCEL.EXE regsvr32.exe
PID 984 wrote to memory of 208 984 EXCEL.EXE regsvr32.exe

description	pid	process	target process
PID 984 wrote to memory of 208	984	EXCEL.EXE	regsvr32.exe
PID 984 wrote to memory of 208	984	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-1469869648.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:984

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
2⤵
- Process spawned unexpected child process
PID:208

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/208-3-0x0000000000000000-mapping.dmp

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memory/984-2-0x00007FF90B730000-0x00007FF90BD67000-memory.dmp

Filesize
6.2MB

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