kinsing | 3e63c6815ab27549b2e474a4c1971fa5486ea88a7832900d5047dbad77a1d1ad

Analysis

max time kernel
88s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 17:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-25_aeeab6dd7362ce4d7d0867e9b2d1fd38_cryptolocker.exe
Size

53KB
MD5

aeeab6dd7362ce4d7d0867e9b2d1fd38
SHA1

18de40054e097eb37cb243bdbe6dc2b58cba53e1
SHA256

3e63c6815ab27549b2e474a4c1971fa5486ea88a7832900d5047dbad77a1d1ad
SHA512

d6cd3b736cfff78ba9fbed39a1dd3efb867a0c59ffba04e160fc391c12c2fa8a61fc1f07bddeaccb860da1c69c58b90ff5a531eafa38831135ce105c8702fe77
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QJz7Wwf:6j+1NMOtEvwDpjr8oxEL

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/820-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x00070000000231fb-13.dat	CryptoLocker_rule2
behavioral2/memory/820-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4840-51-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/820-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x00070000000231fb-13.dat	CryptoLocker_set1
behavioral2/memory/820-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4840-51-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/820-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x00070000000231fb-13.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/820-17-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4840-51-0x0000000000500000-0x000000000050F000-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_aeeab6dd7362ce4d7d0867e9b2d1fd38_cryptolocker.exemisid.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-25_aeeab6dd7362ce4d7d0867e9b2d1fd38_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid	Process
4840	misid.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_aeeab6dd7362ce4d7d0867e9b2d1fd38_cryptolocker.exe

description	pid	Process	procid_target
PID 820 wrote to memory of 4840	820	2024-01-25_aeeab6dd7362ce4d7d0867e9b2d1fd38_cryptolocker.exe	88
PID 820 wrote to memory of 4840	820	2024-01-25_aeeab6dd7362ce4d7d0867e9b2d1fd38_cryptolocker.exe	88
PID 820 wrote to memory of 4840	820	2024-01-25_aeeab6dd7362ce4d7d0867e9b2d1fd38_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-25_aeeab6dd7362ce4d7d0867e9b2d1fd38_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_aeeab6dd7362ce4d7d0867e9b2d1fd38_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:820
- 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:4840

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
53KB

MD5
aad543cec96d0a33d357a79d19fcbc6b

SHA1
bc2fcb45985c7e1ab609cab0e806085657e7ad11

SHA256
65e6349491254e7b0ea0e512e7bae3ef8544eca845182dd221c6ef68da887bb8

SHA512
3cb4b491d4e98664e969ef8c3c94f540aa74132f587c4016e2d18ec990d95c8c3bf2ac002045d813f2c8fc891bd8117385e939615eccfc5f01714d9b7e9885b6

Download Submit
memory/820-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/820-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/820-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/820-3-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/820-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4840-19-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/4840-51-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download