ada1df231ef79661e2664bb12ad1b99fe478b41ee9af354829e75c5e04e9b8cb

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-1566086542.xls
Size

331KB
MD5

584abf18e262c248927e5eb11199b8d0
SHA1

ec756e911e589aea57b10ee2400c8db3e7fe5798
SHA256

ada1df231ef79661e2664bb12ad1b99fe478b41ee9af354829e75c5e04e9b8cb
SHA512

4b0597016173ad5b75ac9b7ac1ddac9d3121d2a9eaec4545462c33cdb34512d1d201c4499f7b01fe51cd7a7b45b4aa3434b4b0bd28d419bb94b01f7b38f2f9fa

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	2012	4776	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

4776 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4776	EXCEL.EXE
4776	EXCEL.EXE
4776	EXCEL.EXE
4776	EXCEL.EXE
4776	EXCEL.EXE
4776	EXCEL.EXE
4776	EXCEL.EXE
4776	EXCEL.EXE
4776	EXCEL.EXE
4776	EXCEL.EXE
4776	EXCEL.EXE
4776	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4776 wrote to memory of 2012	4776	EXCEL.EXE	regsvr32.exe
PID 4776 wrote to memory of 2012	4776	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-1566086542.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4776

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -s C:\giogti\mpomqr\fwpxeohi.dll
2⤵
- Process spawned unexpected child process
PID:2012

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/2012-3-0x0000000000000000-mapping.dmp

Download
memory/4776-2-0x00007FFF461E0000-0x00007FFF46817000-memory.dmp

Filesize
6.2MB

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