kinsing | b0ec1ce22588fc0c9c9f266180ca1f76856cff94d5d21a1cd7e989ccb096453e

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 16:27

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General

Target

2024-01-25_181d688fc7fee21f0aa19dfb3214605d_cryptolocker.exe
Size

146KB
MD5

181d688fc7fee21f0aa19dfb3214605d
SHA1

d20ce18d90d09b1893447eb5525e529294f56f3f
SHA256

b0ec1ce22588fc0c9c9f266180ca1f76856cff94d5d21a1cd7e989ccb096453e
SHA512

081c043586dd42e372ff5e5afc845da6660b260554ca8ee06e1b66d8c987687f275f0cbebb537ad9a7f407874b031811134299ce5adcf1d06ffce2040d768bda
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbxGYQbxGYQbPlooHPPF++:V6a+pOtEvwDpjt22r

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_181d688fc7fee21f0aa19dfb3214605d_cryptolocker.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_181d688fc7fee21f0aa19dfb3214605d_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

1628 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1628	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_181d688fc7fee21f0aa19dfb3214605d_cryptolocker.exe

description	pid	process	target process
PID 4496 wrote to memory of 1628	4496	2024-01-25_181d688fc7fee21f0aa19dfb3214605d_cryptolocker.exe	asih.exe
PID 4496 wrote to memory of 1628	4496	2024-01-25_181d688fc7fee21f0aa19dfb3214605d_cryptolocker.exe	asih.exe
PID 4496 wrote to memory of 1628	4496	2024-01-25_181d688fc7fee21f0aa19dfb3214605d_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_181d688fc7fee21f0aa19dfb3214605d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_181d688fc7fee21f0aa19dfb3214605d_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4496

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:1628

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
147KB

MD5
fe536c8e511e7451121320ccccb547e1

SHA1
bdf3c7cb66a9b35a056e7bbe7bc1f54fb908c30d

SHA256
5c0ea0872aa6d623ecfa4a6a51b6fa41250d48a852a56b7a3e1e6cf8cb05c975

SHA512
ca9d42e0e909282c902117ebfb034b30752146aefeb04a9f5daa609de0b7c632189aa2db3e94e1a5d0113b193072078646d3ee32e8e7e083711439b654a57cd0

Download Submit
memory/1628-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1628-18-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4496-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4496-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4496-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download