a12aba944d32e1437cda7117464857821e85b6914d02ab55cf4465ab4dc94ac6

Analysis

max time kernel
136s
max time network
134s
platform
windows10_x64
resource
win10v20201028
submitted
26-11-2020 16:03

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General

Target

document-1508320956.xls
Size

331KB
MD5

98ebd0c8c6367ae952a23e7f0ea3160b
SHA1

a74c0f1d66653eaf44f2e0c77cba84d578ddec40
SHA256

a12aba944d32e1437cda7117464857821e85b6914d02ab55cf4465ab4dc94ac6
SHA512

27dc0eee7adba804f0696a40a73ab1aaa0db19ab59c9f8e6819e6e86d76d90d2b753126fc91ca53f3bb4b79e2f3fa980a9d85f44bf78e70120aad969b2ab3720

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	3284	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 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

3284 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3284 EXCEL.EXE
3284 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE
3284	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 3284 wrote to memory of 204 3284 EXCEL.EXE regsvr32.exe
PID 3284 wrote to memory of 204 3284 EXCEL.EXE regsvr32.exe

description	pid	process	target process
PID 3284 wrote to memory of 204	3284	EXCEL.EXE	regsvr32.exe
PID 3284 wrote to memory of 204	3284	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-1508320956.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:3284

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/3284-2-0x00007FF81E930000-0x00007FF81EF67000-memory.dmp

Filesize
6.2MB

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