c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3

Analysis

max time kernel
85s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 00:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3.exe
Size

9KB
MD5

a0872213df9595006c60943e38862c71
SHA1

d68654aba24134eaf2fb3b9188fec949ae4ed778
SHA256

c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3
SHA512

e9a278b4c8db5fe601f044a77576e2ee2823f35cf3488e9eff49bff9c89b69a6bdb0ad1d4030e5b31e04092a7277d8732ae465922b2130f2b8fa029067cf0d9b
SSDEEP

192:NjG63LaKnIwF+G12P52DDOJ7ieIuQI+lkHMu:NjG6baKIwFv12P5iDOlieRlqAMu

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4764	uninstall.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4696-132-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0007000000022e1f-135.dat	upx
behavioral2/files/0x0007000000022e1f-134.dat	upx

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	uninstall.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	uninstall.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	uninstall.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4764	uninstall.exe
4764	uninstall.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 4764	4696	c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3.exe	82
PID 4696 wrote to memory of 4764	4696	c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3.exe	82
PID 4696 wrote to memory of 4764	4696	c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3.exe	82

C:\Users\Admin\AppData\Local\Temp\c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3.exe
"C:\Users\Admin\AppData\Local\Temp\c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Users\Admin\AppData\Local\Temp\uninstall.exe
  "C:\Users\Admin\AppData\Local\Temp\uninstall.exe" /remove
  2⤵
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:4764

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

Loading Replay Monitor...

Downloads

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

Filesize
9KB

MD5
a0872213df9595006c60943e38862c71

SHA1
d68654aba24134eaf2fb3b9188fec949ae4ed778

SHA256
c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3

SHA512
e9a278b4c8db5fe601f044a77576e2ee2823f35cf3488e9eff49bff9c89b69a6bdb0ad1d4030e5b31e04092a7277d8732ae465922b2130f2b8fa029067cf0d9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\uninstall.exe

Filesize
9KB

MD5
a0872213df9595006c60943e38862c71

SHA1
d68654aba24134eaf2fb3b9188fec949ae4ed778

SHA256
c1a6167996287344182a204c9b7350f137b067a7e5e31065ac9f82fa6b2e15a3

SHA512
e9a278b4c8db5fe601f044a77576e2ee2823f35cf3488e9eff49bff9c89b69a6bdb0ad1d4030e5b31e04092a7277d8732ae465922b2130f2b8fa029067cf0d9b

Download Submit
memory/4696-132-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download