kinsing | 35fb4f09f8afbce75c4f41abc59621885278fa233586ed6929cb2de225eefb59

Analysis

max time kernel
145s
max time network
149s
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 15:45

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General

Target

2024-01-25_a06cd550705e95523a66fbda6178bccf_cryptolocker.exe
Size

38KB
MD5

a06cd550705e95523a66fbda6178bccf
SHA1

f007b27c0cdea933d6c7fb8b1763461bfe1dd7b9
SHA256

35fb4f09f8afbce75c4f41abc59621885278fa233586ed6929cb2de225eefb59
SHA512

397468f4765121d2615f12be3cae5ecc9b9537ecbb1709f176c0d11e4a8908283dccbedb9d13f02997ed074d09b9ccd3d34138f906cb6157ecb5aeb8d5c5661b
SSDEEP

768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFR3:m5nkFNMOtEvwDpjG8hhXl

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2364-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral2/memory/2364-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4652-54-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2364-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4652-54-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2364-0-0x0000000000500000-0x000000000050E000-memory.dmp	INDICATOR_EXE_Packed_MPress
C:\Users\Admin\AppData\Local\Temp\misid.exe	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2364-16-0x0000000000500000-0x000000000050E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4652-54-0x0000000000500000-0x000000000050E000-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_a06cd550705e95523a66fbda6178bccf_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	2024-01-25_a06cd550705e95523a66fbda6178bccf_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

4652 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4652	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_a06cd550705e95523a66fbda6178bccf_cryptolocker.exe

description	pid	process	target process
PID 2364 wrote to memory of 4652	2364	2024-01-25_a06cd550705e95523a66fbda6178bccf_cryptolocker.exe	misid.exe
PID 2364 wrote to memory of 4652	2364	2024-01-25_a06cd550705e95523a66fbda6178bccf_cryptolocker.exe	misid.exe
PID 2364 wrote to memory of 4652	2364	2024-01-25_a06cd550705e95523a66fbda6178bccf_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_a06cd550705e95523a66fbda6178bccf_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_a06cd550705e95523a66fbda6178bccf_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2364

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:4652

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
39KB

MD5
a16cf61a8ff414f44e98d84ca88549d0

SHA1
b7fe16446b7b8fa44280f85ffd191b70cc12a735

SHA256
fce8a79c61f072b50826bdb3f7fc96d34df8e8d16ac2cf3a53c902dc76273fec

SHA512
d2e3cc029e877479dd0c1a5993f9f96d3f95d6be9cd6baac493f670901a7a18871bce30ea2c932470c18885940e76476599c3db1dde71d48a5be85a73f055eea

Download Submit
memory/2364-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2364-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2364-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2364-3-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/2364-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4652-20-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/4652-19-0x0000000000860000-0x0000000000866000-memory.dmp

Filesize
24KB

Download
memory/4652-54-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download