d9867bff3beee631dde942e6425b7ef4edce67b251453d360e71ec655b929bc9

Analysis

max time kernel
122s
max time network
153s
platform
windows10_x64
resource
win10-en-20211208
submitted
25-01-2022 09:13

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General

Target

GMC_24012022.rtf
Size

2.2MB
MD5

c6a05784a4d3f27b85ad311e8dd64607
SHA1

7bd8a297f3a95fa6e6b756094785d90d11f26099
SHA256

d9867bff3beee631dde942e6425b7ef4edce67b251453d360e71ec655b929bc9
SHA512

49539dfd171214c3d48f2447d6e138724b8de40e215365430208207fb6f524d8eac32386a1eb48d49f686a85c9a6bd0f374f75e815f0f0ed41eaa42f3de02f4d

Score

1^/10

Malware Config

Signatures

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:

WINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{6B190734-82D6-4351-AD7C-1E7AC02962EE}\Client.vbs:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2740 WINWORD.EXE
2740 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2740 WINWORD.EXE
2740 WINWORD.EXE
2740 WINWORD.EXE
2740 WINWORD.EXE
2740 WINWORD.EXE
2740 WINWORD.EXE
2740 WINWORD.EXE

pid	process
2740	WINWORD.EXE
2740	WINWORD.EXE

pid	process
2740	WINWORD.EXE
2740	WINWORD.EXE
2740	WINWORD.EXE
2740	WINWORD.EXE
2740	WINWORD.EXE
2740	WINWORD.EXE
2740	WINWORD.EXE

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\GMC_24012022.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2740

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/2740-118-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/2740-120-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/2740-119-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/2740-121-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/2740-124-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/2740-125-0x00007FF7EF4D0000-0x00007FF7EF4E0000-memory.dmp

Filesize
64KB

Download
memory/2740-126-0x00007FF7EF4D0000-0x00007FF7EF4E0000-memory.dmp

Filesize
64KB

Download
memory/2740-324-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/2740-325-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/2740-326-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/2740-327-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download