ec4bf6cfc55df437a044d2f779cfd3619ddc96d4c7c5cb6621f38e9e30ec1041

Analysis

max time kernel
145s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2022 11:04

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General

Target

fonts/black.ttf
Size

84KB
MD5

5046ede33c7ccea0481c46e344d7eef4
SHA1

570694d9531f8d3366b721f361749a6f6b8be94f
SHA256

3ff9aa61c36a1ba3b7b46e7e73eda89695ab5f3f6263afe2594dcb91d50b9a64
SHA512

4b6509a81ee99cbdcaf3fdce013dc7bd95c957b33e5a599aac58032a0a451cc4802cec13fafad491a3324c8e4f14e4dbbb42aed85fec0cb27c50b30695878a66
SSDEEP

1536:dzAncHAR/NYyTPrII+WwohDPhLw1YZgYyru3TLB0c0l0jpJ9Z3:dISyhNwohDPI8guLB0T0jX

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

cmd.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings cmd.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

cmd.exe

description pid process target process

PID 4836 wrote to memory of 3656 4836 cmd.exe fontview.exe
PID 4836 wrote to memory of 3656 4836 cmd.exe fontview.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cmd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	cmd.exe

description	pid	process	target process
PID 4836 wrote to memory of 3656	4836	cmd.exe	fontview.exe
PID 4836 wrote to memory of 3656	4836	cmd.exe	fontview.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\fonts\black.ttf
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4836

C:\Windows\System32\fontview.exe
"C:\Windows\System32\fontview.exe" C:\Users\Admin\AppData\Local\Temp\fonts\black.ttf
2⤵
PID:3656

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/3656-132-0x0000000000000000-mapping.dmp

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