kinsing | 9bd68c5b248f233db718a408c0dd6476ff1c690007868d6ac48c1f95444b9326

Analysis

max time kernel
108s
max time network
125s
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 15:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-25_99127a896db823ae154d7d8f7350087f_cryptolocker.exe
Size

100KB
MD5

99127a896db823ae154d7d8f7350087f
SHA1

aedb387ba28de0238a72aec5ad47bfef062dd7b0
SHA256

9bd68c5b248f233db718a408c0dd6476ff1c690007868d6ac48c1f95444b9326
SHA512

88630c3c13734a121e761b79eb84a0a68838d1b580e7c8b9d673b2883efbb3c8396f8e83b093bde72c093376d577f57265f701b9f5c9c898ba5c05c75d451f2b
SSDEEP

768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNojlEb:i5nkFGMOtEvwDpjNbwQEIikgNyEb

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/884-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral2/memory/884-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/5032-53-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/884-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/5032-53-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/884-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
C:\Users\Admin\AppData\Local\Temp\misid.exe	INDICATOR_EXE_Packed_MPress
behavioral2/memory/884-17-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5032-53-0x0000000000500000-0x000000000050F000-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_99127a896db823ae154d7d8f7350087f_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-01-25_99127a896db823ae154d7d8f7350087f_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

5032 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
5032	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_99127a896db823ae154d7d8f7350087f_cryptolocker.exe

description	pid	process	target process
PID 884 wrote to memory of 5032	884	2024-01-25_99127a896db823ae154d7d8f7350087f_cryptolocker.exe	misid.exe
PID 884 wrote to memory of 5032	884	2024-01-25_99127a896db823ae154d7d8f7350087f_cryptolocker.exe	misid.exe
PID 884 wrote to memory of 5032	884	2024-01-25_99127a896db823ae154d7d8f7350087f_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_99127a896db823ae154d7d8f7350087f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_99127a896db823ae154d7d8f7350087f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:884

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:5032

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
100KB

MD5
fc69e13016acd7e05685aa6a24c9a82e

SHA1
e858aa5c08ac27e5c81894a0184019f8cd195a60

SHA256
b1d204071f2f10a19c09f4d8e0644c2028a2aae2c0309e8e6dc7b28ae31b88d9

SHA512
d91b40660994c996cccf85766f405a0fcc34716cbd4cc1809ae6f9e776220ce2906b888f596b1488232f081bb906599ebfa5b3c564ff3ee75aeeb33336f9519e

Download Submit
memory/884-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/884-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/884-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/884-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/884-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/5032-53-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download