c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40

Analysis

max time kernel
91s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 19:38

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General

Target

c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe
Size

98KB
MD5

c909275fc05c6266dcf6f6cf53fd0465
SHA1

7372efe2c3a2af0fb6f45ddeab552950d7eb0073
SHA256

c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40
SHA512

429b45ba1e895e2c1ae6eed04e81bd7d15b1bc596778bc956ede285f3297dd6f8f8afac25e08fd7442d8294fd270b001140839c720090b8ec34d1a4833b358b6
SSDEEP

1536:+v5MASDL6vr9s8hPBArSj74ckzblHY0kWloZLtnckP390q+3hk5159:+vkgS8h+r84pG06oq+G513

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:

c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe

Drops file in Windows directory 1 IoCs

Processes:

c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe

description ioc process

File opened for modification C:\Windows\sysWOW32 c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\sysWOW32	c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe

pid	process
4204	c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe
4204	c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe

description	pid	process	target process
PID 4204 wrote to memory of 2028	4204	c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe	cmd.exe
PID 4204 wrote to memory of 2028	4204	c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe
"C:\Users\Admin\AppData\Local\Temp\c39e56b0bd1e366996098bae792e2e678de0ad2ac728b7ebc3b42fe6646a3a40.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4204

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\killfile.bat" "
2⤵
PID:2028

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

C:\Users\Admin\AppData\Local\Temp\killfile.bat
Filesize
301B

MD5
2e016f3fadd4896684f55dcb1a61ad4d

SHA1
cec966e09438ff0ec1d3bc97349257e598694785

SHA256
a3b78d563cd65083afa19eaca625276791d3dd3bed3fbcdc99b0a2a3901d8fc0

SHA512
a39b96b02623f743bf4cf9b9add022941bc86d7e3a09b72560152e11b7f4c046a58a3d40848d36f32be7e38fdd00208056679af0b5f7e4eb59cd2d82d755adf3

Download Submit
memory/2028-132-0x0000000000000000-mapping.dmp

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