kinsing | db8c22c1b40b2db293fc17b991ad8300eb8b9eebeb03cb4c860b1c1e88af28be

Analysis

max time kernel
131s
max time network
148s
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 17:25

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General

Target

2024-01-25_2ffbab10c2bac526ac47054627315b0e_cryptolocker.exe
Size

60KB
MD5

2ffbab10c2bac526ac47054627315b0e
SHA1

dee40c6ffdc786ec5a5ac7dfadd47bf6d092d34e
SHA256

db8c22c1b40b2db293fc17b991ad8300eb8b9eebeb03cb4c860b1c1e88af28be
SHA512

41202462111e35394a0d6a0a515507b058cbecf0c66917f55e0ac73b475bd8c0aa6a38e0846c1995a1b128d8daae0c830bb2f5ece653207194a091a46e04bdff
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCY8EQMjpi/Wpi3B3URiLnuoUwUsfqB1F:vj+jsMQMOtEvwDpj5Hy7B3gG8xzU0

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_2ffbab10c2bac526ac47054627315b0e_cryptolocker.exemisid.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_2ffbab10c2bac526ac47054627315b0e_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2656 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2656	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_2ffbab10c2bac526ac47054627315b0e_cryptolocker.exe

description	pid	process	target process
PID 1604 wrote to memory of 2656	1604	2024-01-25_2ffbab10c2bac526ac47054627315b0e_cryptolocker.exe	misid.exe
PID 1604 wrote to memory of 2656	1604	2024-01-25_2ffbab10c2bac526ac47054627315b0e_cryptolocker.exe	misid.exe
PID 1604 wrote to memory of 2656	1604	2024-01-25_2ffbab10c2bac526ac47054627315b0e_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_2ffbab10c2bac526ac47054627315b0e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_2ffbab10c2bac526ac47054627315b0e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1604

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:2656

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
f48662b61e8b7082ee7b347ffa123b27

SHA1
61cfa3abecfa550c06d9b4d784f70e097d2ff869

SHA256
cc58a36ce46e8d5c91648c5087208c467ebb084ea3de38671e8c82389ff21d55

SHA512
f128f58959ee54ce6831a2742af99c576acce30fd13ed1d248551cf7d7a53430375cbd93cba894f2a7c40fe3165e63fe2cce042b6a8bf8d71a5c897035bd3f5f

Download Submit
memory/1604-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1604-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1604-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/2656-18-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/2656-17-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download