kinsing | a4f531f4b4e2dd1f985062afc1842223147355ce3593984aeacfbdac7210cc0b

Analysis

max time kernel
141s
max time network
145s
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_df20d6d2e2adb81020a282ee6d11c3eb_cryptolocker.exe
Size

122KB
MD5

df20d6d2e2adb81020a282ee6d11c3eb
SHA1

7065453d72a6e4ebd5b8535fc76c18a92377cdf8
SHA256

a4f531f4b4e2dd1f985062afc1842223147355ce3593984aeacfbdac7210cc0b
SHA512

65d1979d460dc2233e77b450cfa756dfdd4a70900542b1d1f1a36e113647925f8f23be657f5dcaa25df03fc304cdcb2a7ac6f529b942a0497031b62aa3a99d34
SSDEEP

768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTZ+m0:gUj+AIMOtEvwDpjNbwQEIPlemUhYpO

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

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1

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_df20d6d2e2adb81020a282ee6d11c3eb_cryptolocker.exemisid.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_df20d6d2e2adb81020a282ee6d11c3eb_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

3924 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3924	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_df20d6d2e2adb81020a282ee6d11c3eb_cryptolocker.exe

description	pid	process	target process
PID 4704 wrote to memory of 3924	4704	2024-01-25_df20d6d2e2adb81020a282ee6d11c3eb_cryptolocker.exe	misid.exe
PID 4704 wrote to memory of 3924	4704	2024-01-25_df20d6d2e2adb81020a282ee6d11c3eb_cryptolocker.exe	misid.exe
PID 4704 wrote to memory of 3924	4704	2024-01-25_df20d6d2e2adb81020a282ee6d11c3eb_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_df20d6d2e2adb81020a282ee6d11c3eb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_df20d6d2e2adb81020a282ee6d11c3eb_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4704

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:3924

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
122KB

MD5
ea91efa983bfc19a543ce81d31be1c10

SHA1
063f7a3df46a57b293f30a761757dda3fbb30de4

SHA256
63036bf8f6ce645d316b8a6211d13abbe3157e51012daf247054b4a3b00d1234

SHA512
df1ae014f02db8ab26428ec5bc186c84a612906fc3de0a6337cd4ae387be81adeee0b6098571d7976a33c347226b714208ed49591721a0bc49ccf1d36643afaa

Download Submit
memory/3924-18-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3924-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4704-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4704-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4704-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download