ec4bf6cfc55df437a044d2f779cfd3619ddc96d4c7c5cb6621f38e9e30ec1041

Analysis

max time kernel
143s
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/deathrattlebb_reg.ttf
Size

82KB
MD5

8ae15895cd813a33942b7b17c0fcc2fb
SHA1

d4489524c533fa198eaa6ba23c39049100481087
SHA256

5ca9bb7216ccf7e07a6c79dce17815255bcbebe811e966f2763e7d93fc6426ae
SHA512

347c62c3efd3c97da9800ff2e5b0a23350d0f11a555da956b8c1b0c0986c423443b92d256daed8f0a38f69caaa388e8896fafe7ca54e433cae85c1c1ef44926c
SSDEEP

1536:uUzTV3HFhOStXfDEcdHUkAkbR5DJoCG5t27o:ucTVFXfQmU6VJu5t2U

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-1-5-21-2629973501-4017243118-3254762364-1000\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-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings cmd.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

cmd.exe

description pid process target process

PID 4540 wrote to memory of 5108 4540 cmd.exe fontview.exe
PID 4540 wrote to memory of 5108 4540 cmd.exe fontview.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	cmd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	cmd.exe

description	pid	process	target process
PID 4540 wrote to memory of 5108	4540	cmd.exe	fontview.exe
PID 4540 wrote to memory of 5108	4540	cmd.exe	fontview.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\fonts\deathrattlebb_reg.ttf
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4540

C:\Windows\System32\fontview.exe
"C:\Windows\System32\fontview.exe" C:\Users\Admin\AppData\Local\Temp\fonts\deathrattlebb_reg.ttf
2⤵
PID:5108

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/5108-132-0x0000000000000000-mapping.dmp

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