kinsing | 4c8916b49d2c50b5b86c01a1b53431d359f0641f99ae652e44a15fd461b19ec3

Analysis

max time kernel
149s
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 15:31

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General

Target

2024-01-25_49443c79b5f431c343a3a9616291f0cb_cryptolocker.exe
Size

50KB
MD5

49443c79b5f431c343a3a9616291f0cb
SHA1

cd2a06b606e877cab07546f7b568b48f2e0b5ecc
SHA256

4c8916b49d2c50b5b86c01a1b53431d359f0641f99ae652e44a15fd461b19ec3
SHA512

07640d65015a1cd7433a5c0c71b7b4e287ccb23a43450c608c1ee07bae02eb43a5e01fe8e7199c317df095c96ca34439dfac540afbb5e196182f44660224abe8
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaToguMyI:X6QFElP6n+gJBMOtEvwDpjBtEJNMZ

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\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	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_49443c79b5f431c343a3a9616291f0cb_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	2024-01-25_49443c79b5f431c343a3a9616291f0cb_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

3392 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3392	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_49443c79b5f431c343a3a9616291f0cb_cryptolocker.exe

description	pid	process	target process
PID 3860 wrote to memory of 3392	3860	2024-01-25_49443c79b5f431c343a3a9616291f0cb_cryptolocker.exe	asih.exe
PID 3860 wrote to memory of 3392	3860	2024-01-25_49443c79b5f431c343a3a9616291f0cb_cryptolocker.exe	asih.exe
PID 3860 wrote to memory of 3392	3860	2024-01-25_49443c79b5f431c343a3a9616291f0cb_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_49443c79b5f431c343a3a9616291f0cb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_49443c79b5f431c343a3a9616291f0cb_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3860

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:3392

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
50KB

MD5
48799df00ccdf10a0a7f6a25e81ae813

SHA1
b746a5ad57ee104d539ad88f5222c644d0753e98

SHA256
cc15b7a8fd51de39b71b7dc8fec4440b24a0280c70daa15d2545fcba704f9b20

SHA512
b83e12e9028b021453c9fcb94a17fe76db0d88e6b27056998ef66473771d96c92c49165e0da7b1fe6a453124808acf9c2c4e714b0fa8bf0054e504c554fb100f

Download Submit
memory/3392-17-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/3392-18-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3860-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3860-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3860-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download