ec4bf6cfc55df437a044d2f779cfd3619ddc96d4c7c5cb6621f38e9e30ec1041

Analysis

max time kernel
100s
max time network
139s
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/CALISTBI.ttf
Size

82KB
MD5

b8178488b4decb255bd3094b320600ac
SHA1

315bf5a35ef284a71fd90f304767c8d90d6883cd
SHA256

9b9e45f016b013d92c3caf1985db22f85e39c8b1f208636f9ac21f9c135239ce
SHA512

3e98e8484ba5ac6c1475af24ae9ae55045511a46baf250ca36d4bb2b64e74b67e9b58a289572ee2609662685ab7218cf8fee200400a417a310bd7b82f47af1e6
SSDEEP

1536:fAsN4DofckwriM3kM+cGEGjmU+xXXXozKbR5ITHpfLR8eXHVBGgIuBoQPeV9pfrr:fT0oYiMURcGEF7x3EKfiZRrfGgIsPsD/

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 1504 wrote to memory of 1524 1504 cmd.exe fontview.exe
PID 1504 wrote to memory of 1524 1504 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 1504 wrote to memory of 1524	1504	cmd.exe	fontview.exe
PID 1504 wrote to memory of 1524	1504	cmd.exe	fontview.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\fonts\CALISTBI.ttf
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1504

C:\Windows\System32\fontview.exe
"C:\Windows\System32\fontview.exe" C:\Users\Admin\AppData\Local\Temp\fonts\CALISTBI.ttf
2⤵
PID:1524

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/1524-132-0x0000000000000000-mapping.dmp

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