kinsing | 64ce0d56f00643d26eb19b585406ef679f8710adbb3f735b917d3f5f1732f5ee

Analysis

max time kernel
88s
max time network
126s
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 17:51

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General

Target

2024-01-25_5af23067b325980de6dda8aed7fc678a_cryptolocker.exe
Size

63KB
MD5

5af23067b325980de6dda8aed7fc678a
SHA1

8a6113eef6a3c9ec476dbc5e1ae6ce1b85f77789
SHA256

64ce0d56f00643d26eb19b585406ef679f8710adbb3f735b917d3f5f1732f5ee
SHA512

7cb6f200d1fdbf5504496069bdb50561f9edfd14422980d27527216f8396b0d09f5b56338ea8e1c43b2085571f4b7b86ef1b7aa4d1018694bb94dde88160ef4f
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x/9lfL+gniDSA96:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7Q

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000231fe-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000231fe-12.dat	CryptoLocker_set1

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	hurok.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-01-25_5af23067b325980de6dda8aed7fc678a_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5544	hurok.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 5544	3428	2024-01-25_5af23067b325980de6dda8aed7fc678a_cryptolocker.exe	88
PID 3428 wrote to memory of 5544	3428	2024-01-25_5af23067b325980de6dda8aed7fc678a_cryptolocker.exe	88
PID 3428 wrote to memory of 5544	3428	2024-01-25_5af23067b325980de6dda8aed7fc678a_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-25_5af23067b325980de6dda8aed7fc678a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_5af23067b325980de6dda8aed7fc678a_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:5544

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\hurok.exe

Filesize
63KB

MD5
d74284258bcb5e2a521c02cb0dc474a2

SHA1
136934fba18c510d6f096de7638cf0501883ea2e

SHA256
9682d1614b93654f462630ee83b2bdc579088fa155c81d21e299e38b2d77d388

SHA512
233822a7d5c42169a284e7c74e2b401b451f24568632e16e39ef54de9aa003ba1f5a2a69c6dbeb8cd100d5b977667fcde8a16764353b46b8b24c8fecb8d83f4f

Download Submit
memory/3428-0-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/3428-1-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5544-23-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download