kinsing | b45a76b06f2cb7609fa32ef8c7a6c28afcaefa121db01be2a5cdb666dfa18b19

Analysis

max time kernel
136s
max time network
150s
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, 17:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-25_6a2dc81df197622c4e2317495d8799f0_cryptolocker.exe
Size

39KB
MD5

6a2dc81df197622c4e2317495d8799f0
SHA1

98e8679cdeff0bd8f20e9cfff53c109f3004dc56
SHA256

b45a76b06f2cb7609fa32ef8c7a6c28afcaefa121db01be2a5cdb666dfa18b19
SHA512

f4a7915198d39886a2fe03822918b027b70ffa841112a0b12c7294049344f25a8f2c329889c56d17f544e026f55b343d3ca1446e5f4405c48b29964e21fa0c49
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6Dy8POKG:bIDOw9a0Dwo3P1ojvUSDhY

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/0x00090000000231fb-12.dat	CryptoLocker_rule2

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-01-25_6a2dc81df197622c4e2317495d8799f0_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1936	lossy.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 2196 wrote to memory of 1936	2196	2024-01-25_6a2dc81df197622c4e2317495d8799f0_cryptolocker.exe	81
PID 2196 wrote to memory of 1936	2196	2024-01-25_6a2dc81df197622c4e2317495d8799f0_cryptolocker.exe	81
PID 2196 wrote to memory of 1936	2196	2024-01-25_6a2dc81df197622c4e2317495d8799f0_cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-01-25_6a2dc81df197622c4e2317495d8799f0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_6a2dc81df197622c4e2317495d8799f0_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:1936

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

Loading Replay Monitor...

Downloads

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

Filesize
39KB

MD5
96f4e9b4dcce762403671976b360b5a6

SHA1
6bc3ce44c731ca985bcc66579fac310ed1515b98

SHA256
5967a67c5521f4ccfd47f800b739251f0436f9c4b5accf99f1fc07ee768477b8

SHA512
74a642b9e4417f4e13abacb15d8314f526a92b6cbb61a5aeba0bf38c51dad205c08b1c432113e3ec658efb1c7a07c86eec73237732b839427ef8ca0bd4de1702

Download Submit
memory/1936-17-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1936-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2196-0-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/2196-2-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/2196-1-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download