kinsing | 2b67c03310bb9f819175b3146dceda21d18d38908663b9db5bdd24c6e71ecda6

Analysis

max time kernel
88s
max time network
154s
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 17:31

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General

Target

2024-01-25_7e2ff00dee1a7f4226c1fc23e23dd30e_cryptolocker.exe
Size

51KB
MD5

7e2ff00dee1a7f4226c1fc23e23dd30e
SHA1

ef9fc9ea14ddf2d29c05f1cbe506f9d0594eb956
SHA256

2b67c03310bb9f819175b3146dceda21d18d38908663b9db5bdd24c6e71ecda6
SHA512

3836a76d936cf40ae0ccc1a1088165c2a338847f888a1fb3ee2f2e1e9002a475bafa7635893866774b2386294ac0100f19ebfa3c426b846217af74a3244de0dd
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5K:ZVxkGOtEvwDpjc4

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

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_7e2ff00dee1a7f4226c1fc23e23dd30e_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_7e2ff00dee1a7f4226c1fc23e23dd30e_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

4468 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4468	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_7e2ff00dee1a7f4226c1fc23e23dd30e_cryptolocker.exe

description	pid	process	target process
PID 1960 wrote to memory of 4468	1960	2024-01-25_7e2ff00dee1a7f4226c1fc23e23dd30e_cryptolocker.exe	misid.exe
PID 1960 wrote to memory of 4468	1960	2024-01-25_7e2ff00dee1a7f4226c1fc23e23dd30e_cryptolocker.exe	misid.exe
PID 1960 wrote to memory of 4468	1960	2024-01-25_7e2ff00dee1a7f4226c1fc23e23dd30e_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_7e2ff00dee1a7f4226c1fc23e23dd30e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_7e2ff00dee1a7f4226c1fc23e23dd30e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1960

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:4468

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
51KB

MD5
79699ea0c414fcf45f17ead0a8d7e40c

SHA1
7159a29ecac4a4b306124f00e0ced3660382caa7

SHA256
fcc32a59c1a6f8c0e841317cf3f5a1cb04ee159f920a8a866429356a11204591

SHA512
e85e5f3576578f128eb524256066777517b571a41ece839838786a1937907e7d500a12c10a8810b7082b435ad47176fb985e26b6fbf08ad199e27982fe82807f

Download Submit
memory/1960-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/1960-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/1960-2-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/1960-3-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1960-26-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4468-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4468-19-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/4468-20-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download