kinsing | bb58537367ab381abe58d5c50a0687ad5c3ceca2cd4065bbbd8ff0f41c5df49c

Analysis

max time kernel
148s
max time network
151s
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 17:26

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General

Target

2024-01-25_3c24e5335e5e86b0856acde56d82ed5e_cryptolocker.exe
Size

73KB
MD5

3c24e5335e5e86b0856acde56d82ed5e
SHA1

fbf4143abc63fd93c2c2009f35070afc10e2fb57
SHA256

bb58537367ab381abe58d5c50a0687ad5c3ceca2cd4065bbbd8ff0f41c5df49c
SHA512

6b3872442870fdcaf1cdfc2e78b37ef85a5bd5eb11682d20baa48db324b7c3a663bcab94d6b044000beaa88efe5483b7c77d50b16cd0fa2cb28a7c6a2aaaac02
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1sdf:X6a+SOtEvwDpjBZYvQd2q

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/0x000700000002320a-11.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002320a-11.dat	CryptoLocker_set1

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-25_3c24e5335e5e86b0856acde56d82ed5e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	asih.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 2480 wrote to memory of 2860	2480	2024-01-25_3c24e5335e5e86b0856acde56d82ed5e_cryptolocker.exe	86
PID 2480 wrote to memory of 2860	2480	2024-01-25_3c24e5335e5e86b0856acde56d82ed5e_cryptolocker.exe	86
PID 2480 wrote to memory of 2860	2480	2024-01-25_3c24e5335e5e86b0856acde56d82ed5e_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-01-25_3c24e5335e5e86b0856acde56d82ed5e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_3c24e5335e5e86b0856acde56d82ed5e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2860

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\asih.exe

Filesize
73KB

MD5
342656167bda97fa040b62f78ce2ed8d

SHA1
983b8949469974f34b74a4f5218f8a21d4136b58

SHA256
194cec0f22ebfd26a1c28681069075b3a0ec0bbbf98d8714991ffc4e00e7099d

SHA512
82c6cf306af15647cedace0fdf6da04d1ebca88208343e480d98ed333876370f67828342da60e9fbb0dc498106c6b5f391ea8bb7b8cc135b145636e6f67aea9c

Download Submit
memory/2480-0-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2480-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2480-2-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/2860-17-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/2860-21-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download