kinsing | b032924481cd9bb1ca878c3ba08464f6149dc3223c6ae8aa93024261334faf12

Analysis

max time kernel
140s
max time network
154s
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 15:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-25_e808848df442092b95588e87ef9efa4a_cryptolocker.exe
Size

55KB
MD5

e808848df442092b95588e87ef9efa4a
SHA1

e6920d3dcd9923200ebb68a147bfa28cad4685a1
SHA256

b032924481cd9bb1ca878c3ba08464f6149dc3223c6ae8aa93024261334faf12
SHA512

f25bdb57ab83b3fbb04828f72b21ef8e40b1849fe93436ae50cf696e78018fe361eea21937c976bad3edb142a104a2a003fb5687d44dee4ebe0c66a13317d7a8
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/iVTab3GRuv3VylsPxAN:79mqyNhQMOtEvwDpjBPY7xv3gy5+

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2352-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2
behavioral2/memory/2352-25-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2352-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1
behavioral2/memory/2352-25-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2024-01-25_e808848df442092b95588e87ef9efa4a_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-25_e808848df442092b95588e87ef9efa4a_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2956 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2956	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_e808848df442092b95588e87ef9efa4a_cryptolocker.exe

description	pid	process	target process
PID 2352 wrote to memory of 2956	2352	2024-01-25_e808848df442092b95588e87ef9efa4a_cryptolocker.exe	asih.exe
PID 2352 wrote to memory of 2956	2352	2024-01-25_e808848df442092b95588e87ef9efa4a_cryptolocker.exe	asih.exe
PID 2352 wrote to memory of 2956	2352	2024-01-25_e808848df442092b95588e87ef9efa4a_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_e808848df442092b95588e87ef9efa4a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e808848df442092b95588e87ef9efa4a_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2352

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2956

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\asih.exe
Filesize
55KB

MD5
4eb41b0601130d9586beeaeaf3ecd031

SHA1
f518d9fe0dd3773c082c252f3ec882a77d00bdd8

SHA256
cebffc61fb82ebdfad52c92b53b7dd130ae926ee775bbaed1cd2cf91843235ab

SHA512
968f6fef5b51bbe7c5ad30975cf1937cae01055eedeb43d92ad3de3e1e104d73698d0bfea46a059815a3ae7305cfaf703979a772c56211c7dd9282a10005d221

Download Submit
memory/2352-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2352-1-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2352-2-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2352-3-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/2352-25-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2956-18-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/2956-21-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download