kinsing | 6a1a47b6f7365b17a59e1ee4ff20e668171f6b7797cbeec39f610631bbec942f

Analysis

max time kernel
88s
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 15:39

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General

Target

2024-01-25_80872eda9ceae504464a34b8f53299c0_cryptolocker.exe
Size

60KB
MD5

80872eda9ceae504464a34b8f53299c0
SHA1

fef7e2e7922bbdd1383afbf0dbb2e0f020265b7d
SHA256

6a1a47b6f7365b17a59e1ee4ff20e668171f6b7797cbeec39f610631bbec942f
SHA512

c045db4cc6a6787784bc4e36d2566a4ad8711a5608775a10fdeead3979dbf23eb831c30fe1839ff1d004ff2af02d56d1be9882a0aa0d0c47106508e742cead6e
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCY8EQMjpi/Wpi3B3URiLnuoUwUsfqB1i:vj+jsMQMOtEvwDpj5Hy7B3gG8xzU/

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\misid.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2024-01-25_80872eda9ceae504464a34b8f53299c0_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-25_80872eda9ceae504464a34b8f53299c0_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2056 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2056	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_80872eda9ceae504464a34b8f53299c0_cryptolocker.exe

description	pid	process	target process
PID 3984 wrote to memory of 2056	3984	2024-01-25_80872eda9ceae504464a34b8f53299c0_cryptolocker.exe	misid.exe
PID 3984 wrote to memory of 2056	3984	2024-01-25_80872eda9ceae504464a34b8f53299c0_cryptolocker.exe	misid.exe
PID 3984 wrote to memory of 2056	3984	2024-01-25_80872eda9ceae504464a34b8f53299c0_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_80872eda9ceae504464a34b8f53299c0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_80872eda9ceae504464a34b8f53299c0_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3984

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
PID:2056

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\misid.exe
Filesize
60KB

MD5
094747079de08bda4faea1f564c0236e

SHA1
17bf44657b13025e6a1c237a111cabd1833a0d62

SHA256
9d00486c504c2f24ffcaf1e1de3435a4e21382674133bc2c01037bcf5580c562

SHA512
192f7cb3e0bc29d9e3de036a9167f13ace9d05d43b24d79c7c2ac0c66bcff8045b0f4e804b26d1aa8afe28f48e57ebdb909e943f7f58645c53d5f18c4ff68d91

Download Submit
memory/2056-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2056-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3984-0-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3984-1-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3984-2-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download