kinsing | 282e6d8d7dfb5fb5866620787988448ba004099d7750c4a2bf47eb8cca246e90

Analysis

max time kernel
149s
max time network
150s
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 15:41

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General

Target

2024-01-25_8b2b272dc680f7859dcb09ae4a602c7f_cryptolocker.exe
Size

36KB
MD5

8b2b272dc680f7859dcb09ae4a602c7f
SHA1

52fce8824f526f3128e42fea24f63c3fb9c4a85b
SHA256

282e6d8d7dfb5fb5866620787988448ba004099d7750c4a2bf47eb8cca246e90
SHA512

a903738512e03d7f4932219ea1b0e796c5826d6bb39d7fec08baf1e763b4fb9dd7af2f326cfae70d36546db26153b0f671b0bfe8f17258c265fc6020c1168d9d
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3quX:bxNrC7kYo1Fxf3s06gV

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\pissa.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_8b2b272dc680f7859dcb09ae4a602c7f_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	2024-01-25_8b2b272dc680f7859dcb09ae4a602c7f_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

pissa.exe

pid process

1348 pissa.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1348	pissa.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_8b2b272dc680f7859dcb09ae4a602c7f_cryptolocker.exe

description	pid	process	target process
PID 3400 wrote to memory of 1348	3400	2024-01-25_8b2b272dc680f7859dcb09ae4a602c7f_cryptolocker.exe	pissa.exe
PID 3400 wrote to memory of 1348	3400	2024-01-25_8b2b272dc680f7859dcb09ae4a602c7f_cryptolocker.exe	pissa.exe
PID 3400 wrote to memory of 1348	3400	2024-01-25_8b2b272dc680f7859dcb09ae4a602c7f_cryptolocker.exe	pissa.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_8b2b272dc680f7859dcb09ae4a602c7f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_8b2b272dc680f7859dcb09ae4a602c7f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3400

C:\Users\Admin\AppData\Local\Temp\pissa.exe
"C:\Users\Admin\AppData\Local\Temp\pissa.exe"
2⤵
- Executes dropped EXE
PID:1348

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\pissa.exe
Filesize
36KB

MD5
b1e6536a8697334ff257f94ff0b11dab

SHA1
3c0baea4cb32e38e611dbf52c96b7bcedc93bc05

SHA256
bcb1124581fb21bc6a1e7578493f80a311df6bbaccdc3585d651716d87c97701

SHA512
5c0a1772c3d98c8701799c20dc356600051ea571641ebecc9deba5d6d22bdad57b4c259631c698fd9592006aff722ab184ee54bf158441ba1ef8a526d5a9ef50

Download Submit
memory/1348-18-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/3400-0-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/3400-1-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/3400-2-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download