49615f1281e974a6f58c4dea63673b24ae8b331a3801788244710a3a19194a7a

Analysis

max time kernel
136s
max time network
132s
platform
windows10_x64
resource
win10v20201028
submitted
21-01-2021 07:18

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General

Target

Inquiry No TBD-6-5659.doc.rtf
Size

2.1MB
MD5

1487709f7e0bd31d246132df9e334e9c
SHA1

6f4250f4ffa15136852127b7d9dbfeabdd85d020
SHA256

49615f1281e974a6f58c4dea63673b24ae8b331a3801788244710a3a19194a7a
SHA512

aca6e69fe09e1c8446ffee3047fa3cefc3028ff203edf4d3b964f46b538cf83af5373e0a9e971b010ac568ebddb96e27769f927a0304e5e3d27e930a091fe462

Score

5^/10

ransomware

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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\{6706B8B8-1B0B-47BA-B7FA-346D55763931}\Client.vbs:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4092 WINWORD.EXE
4092 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE

pid	process
4092	WINWORD.EXE
4092	WINWORD.EXE

pid	process
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	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\Inquiry No TBD-6-5659.doc.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4092

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4092-2-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp

Filesize
64KB

Download
memory/4092-3-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp

Filesize
64KB

Download
memory/4092-4-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp

Filesize
64KB

Download
memory/4092-5-0x00007FFFCB4A0000-0x00007FFFCBAD7000-memory.dmp

Filesize
6.2MB

Download
memory/4092-6-0x00007FFFABD70000-0x00007FFFABD80000-memory.dmp

Filesize
64KB

Download