kinsing | 95289b2331840ab5b827779e7484064defba457eab240df2d4354d98bf9a6712

Analysis

max time kernel
88s
max time network
123s
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 15:47

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General

Target

2024-01-25_abde678804abc1e48e4299bbc79c2ae1_cryptolocker.exe
Size

100KB
MD5

abde678804abc1e48e4299bbc79c2ae1
SHA1

4d03fa2e7d3c7c3af1ba55176d5063b2f886dbcb
SHA256

95289b2331840ab5b827779e7484064defba457eab240df2d4354d98bf9a6712
SHA512

3f9c2e86245a345f1e6284ecd39370a0c44096660d2406d62f0cd9b3e9bc2300a63469567047885ac3470d2c21e1ac72ea1337ace3b6d9de0c18cdae78a0b3b4
SSDEEP

768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNoz:i5nkFGMOtEvwDpjNbwQEIikgN0

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/3228-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral2/memory/3228-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/1996-54-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3228-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/1996-54-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3228-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
C:\Users\Admin\AppData\Local\Temp\misid.exe	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3228-16-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1996-54-0x0000000000500000-0x000000000050F000-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_abde678804abc1e48e4299bbc79c2ae1_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_abde678804abc1e48e4299bbc79c2ae1_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

1996 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1996	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_abde678804abc1e48e4299bbc79c2ae1_cryptolocker.exe

description	pid	process	target process
PID 3228 wrote to memory of 1996	3228	2024-01-25_abde678804abc1e48e4299bbc79c2ae1_cryptolocker.exe	misid.exe
PID 3228 wrote to memory of 1996	3228	2024-01-25_abde678804abc1e48e4299bbc79c2ae1_cryptolocker.exe	misid.exe
PID 3228 wrote to memory of 1996	3228	2024-01-25_abde678804abc1e48e4299bbc79c2ae1_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_abde678804abc1e48e4299bbc79c2ae1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_abde678804abc1e48e4299bbc79c2ae1_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3228

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:1996

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
100KB

MD5
99ec0e03e992e9f889508cca89e4ee13

SHA1
adaf5b4d9aab2c36f7cfce9398b1c93ba9eeb21c

SHA256
090408fd32db56df0fd0139275681d2c1384faf8d3f6fb54ca4e9b59bc18e696

SHA512
6647d92297e2e6d20f7277a3781b70ea2726ede89c25bbabb7a479d4573929bfb717c7f5f805b79e658d7edf4d8f576f4436c0e0c0e59be1cadc90e8da1fe81d

Download Submit
memory/1996-19-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1996-22-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1996-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3228-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3228-1-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3228-2-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3228-3-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/3228-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download