c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8

Analysis

max time kernel
153s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 05:14

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General

Target

c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe
Size

2.5MB
MD5

4dcf717a16ee804b30c6886c368139b0
SHA1

e6f8fd74d9a67eaab1825af6d2a34c2a801918cf
SHA256

c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8
SHA512

740de4b15ef63411db1ebfd09ebc0815d7393cb90d499a3781d103b8e735d863d3df7e136c3f50fac77514685f057ea011918aa44e63f479d9b39b0b8800d250
SSDEEP

768:+xlcaYijcjIgsCDLA1ZdFUbeTPzbpTH3f7OuuY+mqK0rgHXlgAXyBkd0+JdO:GDPYkPRdFUb4blvSFBKL3lgAiBn+J0

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1784	c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe
1784	c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe
1784	c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe
1784	c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 2352	1784	c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe	95
PID 1784 wrote to memory of 2352	1784	c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe	95
PID 1784 wrote to memory of 2352	1784	c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe	95

C:\Users\Admin\AppData\Local\Temp\c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe
"C:\Users\Admin\AppData\Local\Temp\c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\c7b3fececc34979a8ae5f56403dec17605356ce2de08d2b07961690047cc03e8.exe" >> NUL
  2⤵
  PID:2352

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

Replay Monitor

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Downloads

memory/1784-132-0x0000000000400000-0x000000000048F000-memory.dmp

Filesize
572KB

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