kinsing | 02800e3cacf547b3779ccc68d57c5f8d52537df8fd1658f83ae5af8d60869f08

Analysis

max time kernel
89s
max time network
124s
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 15:44

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General

Target

2024-01-25_97eb67a8daa8d060004feb70a185652c_cryptolocker.exe
Size

126KB
MD5

97eb67a8daa8d060004feb70a185652c
SHA1

7f6cc2d40c15c44dbf129869399320cf88d7c29b
SHA256

02800e3cacf547b3779ccc68d57c5f8d52537df8fd1658f83ae5af8d60869f08
SHA512

ad90506f543dac50fa658abfe7f7bca1217c79722dfaa83bdc7899a5f642e63c3241fd189f6d6710bb73fc1a643452c275ba21f4ab5c2c4e8e7e50497c23e946
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//jp:vCjsIOtEvwDpj5H9YvQd2RD

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_97eb67a8daa8d060004feb70a185652c_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	2024-01-25_97eb67a8daa8d060004feb70a185652c_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2192 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2192	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_97eb67a8daa8d060004feb70a185652c_cryptolocker.exe

description	pid	process	target process
PID 4344 wrote to memory of 2192	4344	2024-01-25_97eb67a8daa8d060004feb70a185652c_cryptolocker.exe	misid.exe
PID 4344 wrote to memory of 2192	4344	2024-01-25_97eb67a8daa8d060004feb70a185652c_cryptolocker.exe	misid.exe
PID 4344 wrote to memory of 2192	4344	2024-01-25_97eb67a8daa8d060004feb70a185652c_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_97eb67a8daa8d060004feb70a185652c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_97eb67a8daa8d060004feb70a185652c_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4344

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:2192

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
127KB

MD5
8b2b610c323ca1e42481054054e45819

SHA1
ed50a4f14180e7da55af4437253ed8509b30b44c

SHA256
a86d164a70125ae94769ff7b8cabba3282a361c3696654d4083b50bd09903431

SHA512
054dd0984a9e83c2fb6cf230115a8b628e16b7a80a5b37348101b499e1d85e0419cfe5a087894676f47c73b003d94ad586879b1f262acdc41572138113e20191

Download Submit
memory/2192-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2192-18-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4344-0-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/4344-1-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/4344-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download