kinsing | d281aeebe6b7fb8ed3d02eefb7bca20fc9a5d6ac0b02050b86ee299ac59c8033

Analysis

max time kernel
139s
max time network
147s
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 15:52

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General

Target

2024-01-25_e44ef7e7b2d42f30d14b2eaa07105c15_cryptolocker.exe
Size

72KB
MD5

e44ef7e7b2d42f30d14b2eaa07105c15
SHA1

15429cc7dfa676da4c184d36a50eed43ef05ed8b
SHA256

d281aeebe6b7fb8ed3d02eefb7bca20fc9a5d6ac0b02050b86ee299ac59c8033
SHA512

a0dd07b253ea5bcc868b0b398d6ad15f8f023a06045fe3961e1eaee9abd25fc0adad75b74d5581e2a0b35d7e641808977bf635eb33687985ace545d3624e2300
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUz:ZVxkGOtEvwDpjcaH

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2

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_e44ef7e7b2d42f30d14b2eaa07105c15_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_e44ef7e7b2d42f30d14b2eaa07105c15_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

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

System Information Discovery
T1082

pid	process
636	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_e44ef7e7b2d42f30d14b2eaa07105c15_cryptolocker.exe

description	pid	process	target process
PID 2920 wrote to memory of 636	2920	2024-01-25_e44ef7e7b2d42f30d14b2eaa07105c15_cryptolocker.exe	misid.exe
PID 2920 wrote to memory of 636	2920	2024-01-25_e44ef7e7b2d42f30d14b2eaa07105c15_cryptolocker.exe	misid.exe
PID 2920 wrote to memory of 636	2920	2024-01-25_e44ef7e7b2d42f30d14b2eaa07105c15_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_e44ef7e7b2d42f30d14b2eaa07105c15_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e44ef7e7b2d42f30d14b2eaa07105c15_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2920

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:636

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\misid.exe
Filesize
72KB

MD5
044ffdca639c83f6f91b70dd5a64075d

SHA1
4c32a62eaaa35d569f1b7fbabf1b9cf07e02bd55

SHA256
6e074b648accb62ebf89eb27d2d2f6e7ef40d4af3c223cdaa8a4f9dcb23a917e

SHA512
94746c867189891affffedfb1c3cb225e727ccb7be8a27abf09919b8a9e0cb7cfeb30b7315a8b55042fbc9c96168e9a931748d2a3aed7315e4b9ba7aa87c2ae3

Download Submit
memory/636-19-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/2920-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/2920-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2920-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/2920-2-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2920-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download