kinsing | cf92f67b4040534ce870d067b805bc164dea5dfd0a700eab540fbc6a98733c00

Analysis

max time kernel
88s
max time network
149s
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, 15:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-25_c7e0e307a04026b8bf6e5e565382ee9a_cryptolocker.exe
Size

39KB
MD5

c7e0e307a04026b8bf6e5e565382ee9a
SHA1

3f99aefbf7cde172dfd6a13a979eb0c124a42e3c
SHA256

cf92f67b4040534ce870d067b805bc164dea5dfd0a700eab540fbc6a98733c00
SHA512

168697b46b8e0d9c1841f2ea15afb6390c4c2e65481c032f28c2862fd6c9273840c0416fb1f58b225aa50c666b3a4d56133b642156272c3bf6c625a58cbab188
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQL3bTY:ZzFbxmLPWQMOtEvwDpjLeU3w

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/0x0010000000023155-13.dat	CryptoLocker_rule2

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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	2024-01-25_c7e0e307a04026b8bf6e5e565382ee9a_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
1484	misid.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 684 wrote to memory of 1484	684	2024-01-25_c7e0e307a04026b8bf6e5e565382ee9a_cryptolocker.exe	88
PID 684 wrote to memory of 1484	684	2024-01-25_c7e0e307a04026b8bf6e5e565382ee9a_cryptolocker.exe	88
PID 684 wrote to memory of 1484	684	2024-01-25_c7e0e307a04026b8bf6e5e565382ee9a_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-25_c7e0e307a04026b8bf6e5e565382ee9a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_c7e0e307a04026b8bf6e5e565382ee9a_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:684
- 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:1484

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

Loading Replay Monitor...

Downloads

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

Filesize
39KB

MD5
29cb4110d64bcac2aee9e48ca8752fb2

SHA1
f9568f3873dc2e144d5accdd11ade255a30a8a6b

SHA256
294d90a77bc3289bdf7ad726153439be0fa91a249e2a8f6d9c4e75566e99bfee

SHA512
b5f3d4f8587a9e2eacb6346dde2e5c53c545430faf2594e878a3527dc64d32204aaabb2f0aea7de51c7668311024289a3785439cb07c3015be3a0e563ab00294

Download Submit
memory/684-0-0x00000000006B0000-0x00000000006B3000-memory.dmp

Filesize
12KB

Download
memory/684-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/684-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/684-3-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/684-17-0x00000000006B0000-0x00000000006B3000-memory.dmp

Filesize
12KB

Download
memory/1484-18-0x0000000000460000-0x0000000000463000-memory.dmp

Filesize
12KB

Download
memory/1484-20-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1484-26-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download