kinsing | 2588844776c1154bedec891589c1f5909dbc734771acedfcd286e984ed06224c

Analysis

max time kernel
85s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 16:28

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General

Target

2024-01-25_1c8a2df1bd5b64f24ec54b8d52148f0e_cryptolocker.exe
Size

78KB
MD5

1c8a2df1bd5b64f24ec54b8d52148f0e
SHA1

96f9bfffa9d32160ef9117f352a125d5878cba5f
SHA256

2588844776c1154bedec891589c1f5909dbc734771acedfcd286e984ed06224c
SHA512

6ad7f123bd57d37b6623a6d5e16835c8e800286c55dde79e7bf147fbc98c7ac4fd2622e15d238331386c83278faeced0092e6995066007fa6f8e389b16d6de4c
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufLR:vCjsIOtEvwDpj5H9YvQd2h

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\misid.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\misid.exe	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

Processes:

2024-01-25_1c8a2df1bd5b64f24ec54b8d52148f0e_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	2024-01-25_1c8a2df1bd5b64f24ec54b8d52148f0e_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2716 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2716	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_1c8a2df1bd5b64f24ec54b8d52148f0e_cryptolocker.exe

description	pid	process	target process
PID 4468 wrote to memory of 2716	4468	2024-01-25_1c8a2df1bd5b64f24ec54b8d52148f0e_cryptolocker.exe	misid.exe
PID 4468 wrote to memory of 2716	4468	2024-01-25_1c8a2df1bd5b64f24ec54b8d52148f0e_cryptolocker.exe	misid.exe
PID 4468 wrote to memory of 2716	4468	2024-01-25_1c8a2df1bd5b64f24ec54b8d52148f0e_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_1c8a2df1bd5b64f24ec54b8d52148f0e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_1c8a2df1bd5b64f24ec54b8d52148f0e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4468

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
PID:2716

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\misid.exe
Filesize
78KB

MD5
6820b0828531b263688e940aecdcfa6a

SHA1
1426fe9549695a13557a60a145abb2e72cac4f93

SHA256
d5a75bb9698fa6a634a7a0f2921e7d14f84cc263a37aba54d85fb562f0023ff0

SHA512
373e24879540f62053cde971d664ac56ed0984354bcb767c9a00ac1b26c48544489f0a861104f37b8e13bb20981f3d2a8d427e138f1e942fae3c0398ec6c2e25

Download Submit
memory/2716-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2716-17-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/4468-0-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/4468-2-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/4468-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download