kinsing | 5acbb94d60c4ec48db0fb488397ee1740417e4b5afcf7da6be5683c99a89c4ad

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 17:24

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General

Target

2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe
Size

82KB
MD5

247de987a6891d0fdac4ab1f8c65848c
SHA1

465d604f51b63ca91a3881957ca55009a4d1f8f6
SHA256

5acbb94d60c4ec48db0fb488397ee1740417e4b5afcf7da6be5683c99a89c4ad
SHA512

4e0df7eb1e73a31739677f6bcff3c8b3e8e5ac272a5a15eef7ec7ae7375b27fce1e3b2927e8c2e435cb5035e4a4ae7dbb498636e0b128db228e94dd23bfa4dde
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPFH3:V6QFElP6n+gMQMOtEvwDpjyaLccVNlb

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000a0000000230f9-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000a0000000230f9-12.dat	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
224	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 3884 wrote to memory of 224	3884	2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe	88
PID 3884 wrote to memory of 224	3884	2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe	88
PID 3884 wrote to memory of 224	3884	2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3884
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:224

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

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Downloads

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

Filesize
82KB

MD5
80ad63e2741a4cd960d5c83a04b4ef94

SHA1
6368cbe3cdc1509ae7fa6139ffa83bd05cb81a18

SHA256
698596ddfa14a08e78cfaac88b199560063c3f0b54fb63e7da945000f3418009

SHA512
5b17ec888a1c0c55565376f193df987cf99ec590d5c21051696ce4e75044b43142dbc5cc6c2fca70b8657b2ef296b2228bd311e2bab3ce7ba1d9b7fa44d277ad

Download Submit
memory/224-17-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/224-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3884-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3884-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3884-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download