kinsing | 45366c9e1d8cbb14c3527a7602733027b10987e9ade3e046151873600e1a2f27

Analysis

max time kernel
134s
max time network
142s
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 17:25

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General

Target

2024-01-25_318971b6dd3228f0907eb804dc3d177e_cryptolocker.exe
Size

47KB
MD5

318971b6dd3228f0907eb804dc3d177e
SHA1

4e376684c25cc58dfd078b73f3ac7d6b12d1b853
SHA256

45366c9e1d8cbb14c3527a7602733027b10987e9ade3e046151873600e1a2f27
SHA512

197fb9f265adf3f418d5e0222718f772c67eeca402b4e6df0ea6f8a2e91edb0274882338d56a0a01625deb7676cadcfa0da75ea25ef0c0448bd798f8a71a2d2b
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaF:xj+VGMOtEvwDpjy+TF

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral2/memory/3052-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x000600000002312b-13.dat	CryptoLocker_rule2
behavioral2/memory/3052-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4712-54-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral2/memory/3052-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x000600000002312b-13.dat	CryptoLocker_set1
behavioral2/memory/3052-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4712-54-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral2/memory/3052-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000002312b-13.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3052-17-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4712-54-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-25_318971b6dd3228f0907eb804dc3d177e_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
4712	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 3052 wrote to memory of 4712	3052	2024-01-25_318971b6dd3228f0907eb804dc3d177e_cryptolocker.exe	88
PID 3052 wrote to memory of 4712	3052	2024-01-25_318971b6dd3228f0907eb804dc3d177e_cryptolocker.exe	88
PID 3052 wrote to memory of 4712	3052	2024-01-25_318971b6dd3228f0907eb804dc3d177e_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-25_318971b6dd3228f0907eb804dc3d177e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_318971b6dd3228f0907eb804dc3d177e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3052
- 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:4712

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\misid.exe

Filesize
47KB

MD5
f0366a25cbbdf8be7049ebda9a5a421c

SHA1
01c086a38b3256fa22c623d66a0dda08aae880af

SHA256
14f64902138b50e0ebc4bc6e59d5ef5e14914d7d9e5e16690eef32c43c95e0d5

SHA512
0c507fd12a7b225484f444ba5e050054c046755f2840c7e1d7805ac17d3c83af90cf28eeaa5e7d11b5c4226b00588e7add133d01b5cb207f707b9118c029e9ed

Download Submit
memory/3052-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3052-1-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/3052-2-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/3052-3-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/3052-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4712-20-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4712-19-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/4712-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download