kinsing | e1a013601c6b0e33e00e091d7cbf9991103359e81baee1daecb8f77f7a33b3e5

Analysis

max time kernel
150s
max time network
148s
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 17:31

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General

Target

2024-01-25_7a967491d20b799cab6af850c73af3be_cryptolocker.exe
Size

51KB
MD5

7a967491d20b799cab6af850c73af3be
SHA1

325332d1fe41cb467ab9b65b89101e17eff34499
SHA256

e1a013601c6b0e33e00e091d7cbf9991103359e81baee1daecb8f77f7a33b3e5
SHA512

9573ead97632f2b4dd9f2e2fbe9107d1573c64592c73f1823dcbb787edc123a6a25afd4b0d9db6c7d2e36815287de4c0424252f280b5c0054b412dbdbfaf0954
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9GZ:bIDOw9a0DwitDZzv

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\lossy.exe	CryptoLocker_rule2

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_7a967491d20b799cab6af850c73af3be_cryptolocker.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_7a967491d20b799cab6af850c73af3be_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

lossy.exe

pid process

3296 lossy.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3296	lossy.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_7a967491d20b799cab6af850c73af3be_cryptolocker.exe

description	pid	process	target process
PID 3176 wrote to memory of 3296	3176	2024-01-25_7a967491d20b799cab6af850c73af3be_cryptolocker.exe	lossy.exe
PID 3176 wrote to memory of 3296	3176	2024-01-25_7a967491d20b799cab6af850c73af3be_cryptolocker.exe	lossy.exe
PID 3176 wrote to memory of 3296	3176	2024-01-25_7a967491d20b799cab6af850c73af3be_cryptolocker.exe	lossy.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_7a967491d20b799cab6af850c73af3be_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_7a967491d20b799cab6af850c73af3be_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3176

C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.exe"
2⤵
- Executes dropped EXE
PID:3296

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\lossy.exe
Filesize
51KB

MD5
fff6d96feae5a88d4416b9c0c3bf1119

SHA1
1aa580da457a2c9f0931623a5f58c62b859d0d4d

SHA256
9acc9f834d4e8ec30f0d834d4ccd1fb8b3f5e6d4f6c140bed0adde8a74be1e96

SHA512
08f44f731bf16b99f6b64e82ef5b2ab68e468a103fb4517229198be82c61de52771816b5cf2f1ef2cab81a57f6cf38b1313f4dc58bda9bca5d80c0f36148c097

Download Submit
memory/3176-0-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3176-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/3176-1-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3296-17-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/3296-23-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download