a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e

Analysis

max time kernel
154s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 10:17

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General

Target

a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe
Size

115KB
MD5

9a3bb989b8cc002de1321f3c883abdee
SHA1

4abdfe0f4bafae146939ced6842b6362eb57c8fd
SHA256

a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e
SHA512

062aade15fdf16b01879e4ef2bbe3d95e309bd794293a845b41cb535eb57a7c0ec7325dc15027bac40074124cb450d9dc0f590a5793982fd09aca4f5316c8f33
SSDEEP

3072:YT7zbuHLdpXnPsED9BMBwoU1DpG3x0I3jxXX2LHUhF:YT7OHTX0WveikdOI

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
736	.exe

Modifies Installed Components in the registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\.exe\" /ActiveX"	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Active Setup\Installed Components	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.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	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Roaming\\.exe"	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Roaming\\.exe"	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.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

description	pid	Process	procid_target
PID 4752 wrote to memory of 736	4752	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe	80
PID 4752 wrote to memory of 736	4752	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe	80
PID 4752 wrote to memory of 736	4752	a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe	80

C:\Users\Admin\AppData\Local\Temp\a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe
"C:\Users\Admin\AppData\Local\Temp\a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e.exe"
1⤵
- Modifies Installed Components in the registry
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Users\Admin\AppData\Roaming\.exe
  "C:\Users\Admin\AppData\Roaming\.exe"
  2⤵
  - Executes dropped EXE
  PID:736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\Roaming\.exe

Filesize
115KB

MD5
9a3bb989b8cc002de1321f3c883abdee

SHA1
4abdfe0f4bafae146939ced6842b6362eb57c8fd

SHA256
a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e

SHA512
062aade15fdf16b01879e4ef2bbe3d95e309bd794293a845b41cb535eb57a7c0ec7325dc15027bac40074124cb450d9dc0f590a5793982fd09aca4f5316c8f33

Download Submit
C:\Users\Admin\AppData\Roaming\.exe

Filesize
115KB

MD5
9a3bb989b8cc002de1321f3c883abdee

SHA1
4abdfe0f4bafae146939ced6842b6362eb57c8fd

SHA256
a1cf1560334f67612215951c13732bffb9cf5126dd296a3d7eff0d338215112e

SHA512
062aade15fdf16b01879e4ef2bbe3d95e309bd794293a845b41cb535eb57a7c0ec7325dc15027bac40074124cb450d9dc0f590a5793982fd09aca4f5316c8f33

Download Submit
memory/736-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads