kinsing | 483ff53cc00c6235f8b83e319990075fc0865419c19c5eebd47c911f89e8b6a8

Analysis

max time kernel
151s
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 15:37

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General

Target

2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe
Size

39KB
MD5

7276bc3600231a300f2adba942672b79
SHA1

a4e015f479691a8ebdc01c430583f29c0358cb4b
SHA256

483ff53cc00c6235f8b83e319990075fc0865419c19c5eebd47c911f89e8b6a8
SHA512

6a52aad1c931b6bb7430cc5d3d565d84a53c3f06a18a4a609726954120e50c65e05d17810dea32780ed8c21ea3cf7975d3efb1d61f5eb252d1b5247832933b9b
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rc5vrp:bgGYcA/53GADw8Clrc7

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\hasfj.exe	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

Processes:

2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

hasfj.exe

pid process

3268 hasfj.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3268	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe

description	pid	process	target process
PID 4008 wrote to memory of 3268	4008	2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe	hasfj.exe
PID 4008 wrote to memory of 3268	4008	2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe	hasfj.exe
PID 4008 wrote to memory of 3268	4008	2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe	hasfj.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4008

C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
2⤵
- Executes dropped EXE
PID:3268

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\hasfj.exe
Filesize
39KB

MD5
c84c8eb182f9ef6ed99097cc356f4803

SHA1
926d86cf38a18014b330e1d1a509b6b2a49e2f6d

SHA256
c2dbc92d10e4900ccb46e6e8b0884402b618cc2946bc2c66d90666d00168a8ff

SHA512
54e49c220619d1a76f8100d405309ce0da5eb43a1f8005bb1288f9be9577ac02c0ab7b439cc7f426fc334ac8e02dea179b4a70a28edd305159e6d4a97d64e6bb

Download Submit
memory/3268-18-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/3268-17-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4008-0-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/4008-1-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/4008-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download