ec4bf6cfc55df437a044d2f779cfd3619ddc96d4c7c5cb6621f38e9e30ec1041

Analysis

max time kernel
141s
max time network
160s
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/browa.ttf
Size

87KB
MD5

bd62018c47c6141847cd00dcf20a215e
SHA1

7a0c700fa81a8b5d405076f55e1c89f54a578309
SHA256

20ba365275e4972f1a68588c821cd1ec88656349633d4598a1dec93498d5638e
SHA512

eff01b4800af12a3b182a0cb958a4e86e4f82d09d86d237fe1efef729b8795470a6a4d0191e3e4c63a2a5d9e2938d30e7c38b08069be21c82256bc9d23d68764
SSDEEP

1536:uQsHpEYQ1ikaMYsrhp7XLKvp45uD6kaeuFklGIIYh4riRO+nYHae2U:wEYoiVMlhZbw4gukaqGFYhEMnU

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 2608 wrote to memory of 5088 2608 cmd.exe fontview.exe
PID 2608 wrote to memory of 5088 2608 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 2608 wrote to memory of 5088	2608	cmd.exe	fontview.exe
PID 2608 wrote to memory of 5088	2608	cmd.exe	fontview.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\fonts\browa.ttf
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2608

C:\Windows\System32\fontview.exe
"C:\Windows\System32\fontview.exe" C:\Users\Admin\AppData\Local\Temp\fonts\browa.ttf
2⤵
PID:5088

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/5088-132-0x0000000000000000-mapping.dmp

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