kinsing | 50763460bc266ef8b35103d0c54aeb66e457b445bf8b14e6f3deb09f3c349a0b

Analysis

max time kernel
143s
max time network
151s
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 17:22

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General

Target

2024-01-25_120f510165c503b25eeb8fc35f2b6795_cryptolocker.exe
Size

59KB
MD5

120f510165c503b25eeb8fc35f2b6795
SHA1

0de1f337da210dcec7eab09afbb0e7268605af78
SHA256

50763460bc266ef8b35103d0c54aeb66e457b445bf8b14e6f3deb09f3c349a0b
SHA512

a27f6203898f2b44b45367c26e01b553870afaddecf591866b3db9a2e099b033d8bf658e79b9a30cc0e1684f87c8100d686d314f5b0cbe019486e8663f8ddfa9
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMI:TCjsIOtEvwDpj5HE/OUHnSMv

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4564-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral2/memory/4564-18-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4640-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4640-55-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4564-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral2/memory/4564-18-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4640-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4640-55-0x0000000000500000-0x000000000050E000-memory.dmp	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_120f510165c503b25eeb8fc35f2b6795_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	2024-01-25_120f510165c503b25eeb8fc35f2b6795_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

4640 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4640	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_120f510165c503b25eeb8fc35f2b6795_cryptolocker.exe

description	pid	process	target process
PID 4564 wrote to memory of 4640	4564	2024-01-25_120f510165c503b25eeb8fc35f2b6795_cryptolocker.exe	misid.exe
PID 4564 wrote to memory of 4640	4564	2024-01-25_120f510165c503b25eeb8fc35f2b6795_cryptolocker.exe	misid.exe
PID 4564 wrote to memory of 4640	4564	2024-01-25_120f510165c503b25eeb8fc35f2b6795_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_120f510165c503b25eeb8fc35f2b6795_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_120f510165c503b25eeb8fc35f2b6795_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4564

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:4640

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\misid.exe
Filesize
60KB

MD5
9b6695a65b3af61f23363b048dbdd163

SHA1
63160ae50469e4b455131a0202a0441886dcedf9

SHA256
c69125f60db8c0740f1a13792021681f9329203bc05afe9ccf3b2022e7ffc3d5

SHA512
da339f6bd2c1dc4ecf19a6aa5fd37175f72274c59f981e9d19ad4480d2eec644824c4fc82bb0724118785cc3f5a56ae2ccc44196cf31581c4275977f69e19c66

Download Submit
memory/4564-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4564-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/4564-2-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/4564-3-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/4564-18-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4640-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4640-20-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/4640-22-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4640-55-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download