kinsing | 96622bdbe5036a822168712a019f8ff2a29811f1496445eaa78a2d4e534879c3

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 15:40

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General

Target

2024-01-25_87bb9ee9bd5499eab2cc19547b2f2005_cryptolocker.exe
Size

149KB
MD5

87bb9ee9bd5499eab2cc19547b2f2005
SHA1

187dc92794fcbc421fa8a22cef9b69a4dbbcc448
SHA256

96622bdbe5036a822168712a019f8ff2a29811f1496445eaa78a2d4e534879c3
SHA512

49413a6c80ff7b596757caa443b5cd901afea63c36e9c13bbe32d859ae27ba5328ad025192866ad46418afc58d00b613df167fc4c138990966a360cb5fd795f0
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbxGYQbxGYQbPlooHPPFYr7:V6a+pOtEvwDpjt22S

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	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

Processes:

2024-01-25_87bb9ee9bd5499eab2cc19547b2f2005_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	2024-01-25_87bb9ee9bd5499eab2cc19547b2f2005_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

4848 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4848	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_87bb9ee9bd5499eab2cc19547b2f2005_cryptolocker.exe

description	pid	process	target process
PID 2364 wrote to memory of 4848	2364	2024-01-25_87bb9ee9bd5499eab2cc19547b2f2005_cryptolocker.exe	asih.exe
PID 2364 wrote to memory of 4848	2364	2024-01-25_87bb9ee9bd5499eab2cc19547b2f2005_cryptolocker.exe	asih.exe
PID 2364 wrote to memory of 4848	2364	2024-01-25_87bb9ee9bd5499eab2cc19547b2f2005_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_87bb9ee9bd5499eab2cc19547b2f2005_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_87bb9ee9bd5499eab2cc19547b2f2005_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2364

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:4848

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
149KB

MD5
d9aff12dcd35199a717c87602e2b0115

SHA1
3b8998664a32c229e020338cec362507241ddf75

SHA256
f49f269a53da127b51bbda1499d0122747011e8b76969468ad7d463455deb2ae

SHA512
1b07043b098b8951aa46ecb506de6f97c4e39a92dd101ce42e86733a1f032760b9dbe413011af533a78d2b9f95a97db24d1aa354cd6cf0d9437c4e3ddde3f2c8

Download Submit
memory/2364-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2364-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2364-2-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/4848-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4848-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download