kinsing | 73a16ec2fc5f3098f7a4c61e8797bcd04ac5d366bffc96fce95c152a47d0dea5

Analysis

max time kernel
148s
max time network
151s
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, 17:25

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General

Target

2024-01-25_2e08a04cf694a9f07ecf6d16121ef3fc_cryptolocker.exe
Size

56KB
MD5

2e08a04cf694a9f07ecf6d16121ef3fc
SHA1

5c8f711392db144f7283651e4e12419f9339cdfe
SHA256

73a16ec2fc5f3098f7a4c61e8797bcd04ac5d366bffc96fce95c152a47d0dea5
SHA512

77ad0a811cbe2b850b0ba1ad64f99ca76ad68117427f1192edfb4fb2796e8f66e1166bc874aae0b85f5ba4f1f1f5a06d19b560c884257b7d0d724ba9bae1a982
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61PTH:BbdDmjr+OtEvwDpjM1

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral2/memory/4972-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x00070000000231f9-13.dat	CryptoLocker_rule2
behavioral2/memory/4972-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/812-26-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 2 IoCs

resource	yara_rule
behavioral2/memory/4972-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/memory/812-26-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/4972-0-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral2/files/0x00070000000231f9-13.dat	UPX
behavioral2/memory/4972-17-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral2/memory/812-26-0x0000000000500000-0x0000000000510000-memory.dmp	UPX

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	2024-01-25_2e08a04cf694a9f07ecf6d16121ef3fc_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
812	asih.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

description	pid	Process	procid_target
PID 4972 wrote to memory of 812	4972	2024-01-25_2e08a04cf694a9f07ecf6d16121ef3fc_cryptolocker.exe	86
PID 4972 wrote to memory of 812	4972	2024-01-25_2e08a04cf694a9f07ecf6d16121ef3fc_cryptolocker.exe	86
PID 4972 wrote to memory of 812	4972	2024-01-25_2e08a04cf694a9f07ecf6d16121ef3fc_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-01-25_2e08a04cf694a9f07ecf6d16121ef3fc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_2e08a04cf694a9f07ecf6d16121ef3fc_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:812

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\asih.exe

Filesize
57KB

MD5
95a62108221c3b233e8892f2f6e2f417

SHA1
ddaddf3093ea7ee0e8591fbdbbc6d09731be95c7

SHA256
62aa634fb7ffb9f760dd3e4d65d6aee9969abdbbae6f4a03fa6b2ebe03742a6a

SHA512
804f4eef7719f4ed94b49cc830c6670f2dc930c4493b6057d0600f64887a215b71247d9db67928572972b4a886a6316b0c28ac74a1edeeecd8f24fa337f81416

Download Submit
memory/812-19-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download
memory/812-20-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/812-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4972-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4972-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4972-2-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4972-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/4972-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download