f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0

Analysis

max time kernel
175s
max time network
214s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
20-02-2022 00:24

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General

Target

f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0.exe
Size

113KB
MD5

8c7e7e483cd51fd209709cadcb982bcb
SHA1

fcce16c3e4906feec110e93fdf75f8a12b86cad8
SHA256

f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0
SHA512

32d6e10d6de35703adc71c17dc1a3722781210edd897f20a7be8eed1e39b8613f105ae86213bc0496167406cfdb4debeaceb1c87336b08894cf409795583f69b

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

CmSMBmPinlan.exe

pid process

4572 CmSMBmPinlan.exe

pid	process
4572	CmSMBmPinlan.exe

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:

f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0.exe

description	pid	process	target process
PID 4388 wrote to memory of 4572	4388	f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0.exe	CmSMBmPinlan.exe
PID 4388 wrote to memory of 4572	4388	f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0.exe	CmSMBmPinlan.exe
PID 4388 wrote to memory of 4572	4388	f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0.exe	CmSMBmPinlan.exe

C:\Users\Admin\AppData\Local\Temp\f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0.exe
"C:\Users\Admin\AppData\Local\Temp\f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4388

C:\Users\Admin\AppData\Local\Temp\CmSMBmPinlan.exe
"C:\Users\Admin\AppData\Local\Temp\CmSMBmPinlan.exe" 8 LAN
2⤵
- Executes dropped EXE
PID:4572

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CmSMBmPinlan.exe

MD5
8c7e7e483cd51fd209709cadcb982bcb

SHA1
fcce16c3e4906feec110e93fdf75f8a12b86cad8

SHA256
f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0

SHA512
32d6e10d6de35703adc71c17dc1a3722781210edd897f20a7be8eed1e39b8613f105ae86213bc0496167406cfdb4debeaceb1c87336b08894cf409795583f69b

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C:\Users\Admin\AppData\Local\Temp\CmSMBmPinlan.exe

MD5
8c7e7e483cd51fd209709cadcb982bcb

SHA1
fcce16c3e4906feec110e93fdf75f8a12b86cad8

SHA256
f270d56ba05344b7c1d3bdf0afbe8e0bbf3cc7fee569ccfdbb1fa1294b2e85d0

SHA512
32d6e10d6de35703adc71c17dc1a3722781210edd897f20a7be8eed1e39b8613f105ae86213bc0496167406cfdb4debeaceb1c87336b08894cf409795583f69b

Download Submit