kinsing | 5c474ad42b81c52eb39151e3fdfd345865c4ee6bb23c16d41d21f65fbf9240af

Analysis

max time kernel
149s
max time network
155s
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 17:40

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General

Target

2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe
Size

148KB
MD5

e7fb8607ddc8db464294f6e6e0699189
SHA1

5f471569277efbae5621ca0d93cd32eb6b6b48a2
SHA256

5c474ad42b81c52eb39151e3fdfd345865c4ee6bb23c16d41d21f65fbf9240af
SHA512

68a4b3786ef4ccf6ba2da75bdc360c239d92e6bbdf3abf23c5b51ee5213e4f7ca99d2e9a53d142c7eed52058dd89abacb0234453602d5003486db3bb91053780
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbxGYQbxGYQbPlooHPPFYfN:V6a+pOtEvwDpjt22M

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_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

4396 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4396	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe

description	pid	process	target process
PID 3240 wrote to memory of 4396	3240	2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe	asih.exe
PID 3240 wrote to memory of 4396	3240	2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe	asih.exe
PID 3240 wrote to memory of 4396	3240	2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3240

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:4396

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
148KB

MD5
55dfbaa67497091ede80f0f4b4c6e9b1

SHA1
d7c7b09bc7745cac5c5a74f6f6fa5a988b5df758

SHA256
1b7b6e712681cd59a0274592318859f484a9a3ec7e190b8a099cf16334f637f7

SHA512
41f94367f21af57e0814dccfa105739d8640242d3e32d29335f7e1e8657fcbce22d1587f5e99d7c246e841f365df1787549394dbb32eee4a83488aaf276c32ed

Download Submit
memory/3240-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3240-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3240-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4396-17-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/4396-21-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download