kinsing | 2de6e94a3b2397740b5024c2cb8f5582592b824cca5a8e63ef7d6644a85b725d

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 17:40

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General

Target

2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe
Size

59KB
MD5

e7ce3e59b8de1c6a2ef795c932db91b2
SHA1

317fd58e791517774733798e0ca0530b72c0e5dd
SHA256

2de6e94a3b2397740b5024c2cb8f5582592b824cca5a8e63ef7d6644a85b725d
SHA512

b076b5b9657fb3efcddf6de459f39a11f30a14547899655fd641f4d4643fa09b3244e980d91557a8518989ce9019189b6a18f9e4f90eff907aefa61d72036679
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/xn:X6a+SOtEvwDpjBrOZ

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000900000002313b-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000900000002313b-12.dat	CryptoLocker_set1

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
468	asih.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 468	3800	2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe	87
PID 3800 wrote to memory of 468	3800	2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe	87
PID 3800 wrote to memory of 468	3800	2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3800
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\asih.exe

Filesize
60KB

MD5
00d0896f61905c313b56bb573a4dc8db

SHA1
d43ca8df3a98f2a1842e6d2e4f9222c172d650fc

SHA256
4fd2ae8afb3069f8e5ed35319f444c359d55f2f69028e44be4b965b1603955f1

SHA512
7a5a2f1939adce6fe011f1be69953ae7e3cbbe89300e2712a992c68672c5ce6eaa71201dcd238c11f19c81e9410232766101c89c71acf2a1d902b03cb0203366

Download Submit
memory/468-19-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/468-17-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/3800-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3800-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3800-2-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download