db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2

Analysis

max time kernel
167s
max time network
200s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/10/2022, 21:32

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General

Target

db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe
Size

150KB
MD5

919b2b1b92e8b165ef29740134b74cf0
SHA1

88dbc8d1fa65461552b8b7166cd4f83887535ce7
SHA256

db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2
SHA512

444f38e0a70ea275c37ab9f6776f94cd18bbd9a061d284ac014970c4f97092d226d0c8fe970667b3a28449c936bff67e43a1766bf1a5fb28b727e9c421d6cd8b
SSDEEP

768:hk33Rdt3vQBofYJaX2P8fojSgwFXdOL+vYhSw5fmWfgOFQWbHo7me/c7yA50o:hknRdt3vqoaxqo/wJdMQ2NmQbFQfHcJ

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	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.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 6 IoCs

pid	Process
2408	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe
2408	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe
2408	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe
2408	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe
2408	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe
2408	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 220	2408	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe	83
PID 2408 wrote to memory of 220	2408	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe	83
PID 2408 wrote to memory of 220	2408	db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe	83

C:\Users\Admin\AppData\Local\Temp\db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe
"C:\Users\Admin\AppData\Local\Temp\db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\db3af571f06fabfbbf6420bbefd4fac2b0b42e30b430e8740ba6a25bfe1d4ba2.exe" >> NUL
  2⤵
  PID:220

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

memory/2408-133-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/2408-134-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/2408-136-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download