kinsing | 9428e9731d6599a663b3e02e4baa2ad00d2f764653bb39abbd40fc486bbbbfb5

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 17:34

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General

Target

2024-01-25_a9d2346b879000d8683da1102604210e_cryptolocker.exe
Size

40KB
MD5

a9d2346b879000d8683da1102604210e
SHA1

ce453f13f3568629cf2463a9e97bde3c7f109021
SHA256

9428e9731d6599a663b3e02e4baa2ad00d2f764653bb39abbd40fc486bbbbfb5
SHA512

4fc97eeb25fa32dc9cd8e84fbf699f34459cf5543cff117486b6fe75925eda1d9c4790bec28073045e0c57fc66da03d578161d9fb20100083dec113b97fcfcc0
SSDEEP

384:60VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26aIIcVRYpetOOtEvwDpjqIGRmdHzOOo:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/G

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/4896-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral2/memory/3836-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4896-18-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/3836-53-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4896-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral2/memory/3836-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4896-18-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/3836-53-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4896-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
C:\Users\Admin\AppData\Local\Temp\misid.exe	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3836-17-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4896-18-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3836-53-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

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_a9d2346b879000d8683da1102604210e_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	2024-01-25_a9d2346b879000d8683da1102604210e_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

3836 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3836	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_a9d2346b879000d8683da1102604210e_cryptolocker.exe

description	pid	process	target process
PID 4896 wrote to memory of 3836	4896	2024-01-25_a9d2346b879000d8683da1102604210e_cryptolocker.exe	misid.exe
PID 4896 wrote to memory of 3836	4896	2024-01-25_a9d2346b879000d8683da1102604210e_cryptolocker.exe	misid.exe
PID 4896 wrote to memory of 3836	4896	2024-01-25_a9d2346b879000d8683da1102604210e_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_a9d2346b879000d8683da1102604210e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_a9d2346b879000d8683da1102604210e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4896

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:3836

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
40KB

MD5
8c27883a8a53828cedef515cb55d6299

SHA1
9eaae0d5d5f3cc1ea4cdb4976ae44766f7656591

SHA256
c015aba637a09e4c1c583ab410e6a5e42d9c9c88966bd1cff8189a6ec793ca2d

SHA512
3346eeaab6c029e120c3b35399e89c781090b9f201fd6758cb49b9ac9607e747705365e6445a5bd1ef35ac2722a9400b7a01cd66d6e1feb5a0af40add3b3f4b7

Download Submit
memory/3836-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3836-20-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/3836-22-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3836-53-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4896-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4896-1-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/4896-2-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/4896-3-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/4896-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download