ec4bf6cfc55df437a044d2f779cfd3619ddc96d4c7c5cb6621f38e9e30ec1041

Analysis

max time kernel
78s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2022 11:04

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General

Target

fonts/BELLB.ttf
Size

80KB
MD5

f37324d3575c7132e330af3c8f08da17
SHA1

1e14164f2bf6d6972744642d0a6c8afce4d6daa4
SHA256

dcc8d42eebbab6822f736a7b99e1c9d6ee6861b247a19049bb33e5955d991dde
SHA512

80e2daad5319c8a732bec4eb5b7b62fd88979638df98e104688dd9747f0f4089f5a68e61509ce0c7a7590e1c73ad4564a41e97b7a8dd16d12947daa48935f743
SSDEEP

1536:EIIZKRcnuonqV3nVbISbjFameCNLs6EzeJFE1bXzyjVNfpS0vH:qn9nW3VbXTesWyYFXzyjlS0f

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-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings cmd.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

cmd.exe

description pid process target process

PID 1972 wrote to memory of 2320 1972 cmd.exe fontview.exe
PID 1972 wrote to memory of 2320 1972 cmd.exe fontview.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	cmd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	cmd.exe

description	pid	process	target process
PID 1972 wrote to memory of 2320	1972	cmd.exe	fontview.exe
PID 1972 wrote to memory of 2320	1972	cmd.exe	fontview.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\fonts\BELLB.ttf
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\System32\fontview.exe
"C:\Windows\System32\fontview.exe" C:\Users\Admin\AppData\Local\Temp\fonts\BELLB.ttf
2⤵
PID:2320

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/2320-132-0x0000000000000000-mapping.dmp

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