kinsing | 1ed9e6a4452c35bbdf63020aec30b6b1504fb100ecea7937fbc27656e946816e

Analysis

max time kernel
139s
max time network
154s
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 15:33

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General

Target

2024-01-25_5817e884398565369d2e2d219ee7bea1_cryptolocker.exe
Size

57KB
MD5

5817e884398565369d2e2d219ee7bea1
SHA1

d6c79333c1887a92c23ef5fa7880e05ee5abab55
SHA256

1ed9e6a4452c35bbdf63020aec30b6b1504fb100ecea7937fbc27656e946816e
SHA512

979a9bc52d78bd574d77a1cca2d906da72606bac2e546b98185d1f46ec08c03f7228f48dd03fa6a78c50c71662fba60dac04f76dad267a47a2228530e7d796c5
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GoFwEh:xj+VGMOtEvwDpjubEgywEh

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/60-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral2/memory/60-25-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4628-54-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/60-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral2/memory/60-25-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4628-54-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/60-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
C:\Users\Admin\AppData\Local\Temp\misid.exe	INDICATOR_EXE_Packed_MPress
behavioral2/memory/60-25-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4628-54-0x0000000000500000-0x0000000000510000-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

Processes:

misid.exe2024-01-25_5817e884398565369d2e2d219ee7bea1_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	misid.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-25_5817e884398565369d2e2d219ee7bea1_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

4628 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4628	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_5817e884398565369d2e2d219ee7bea1_cryptolocker.exe

description	pid	process	target process
PID 60 wrote to memory of 4628	60	2024-01-25_5817e884398565369d2e2d219ee7bea1_cryptolocker.exe	misid.exe
PID 60 wrote to memory of 4628	60	2024-01-25_5817e884398565369d2e2d219ee7bea1_cryptolocker.exe	misid.exe
PID 60 wrote to memory of 4628	60	2024-01-25_5817e884398565369d2e2d219ee7bea1_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_5817e884398565369d2e2d219ee7bea1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_5817e884398565369d2e2d219ee7bea1_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:60

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:4628

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
57KB

MD5
70c01e0d936a5b651a5a7804f0bbc6ab

SHA1
fe63317a283e153be450d18ed445135be5fd9d00

SHA256
417932eade13528f7f12ec2b9edbc4267f2ad68e8652273400a4e2d2038924ef

SHA512
7d669502b0f275eed328e56f2e9267398966915a5f3d9e9a0f10f88b9b55bdd2f63dd1fa26168d50cd5657f40fc23d53277548e5d40dac07269967e08e244c5b

Download Submit
memory/60-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/60-1-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/60-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/60-3-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/60-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4628-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4628-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4628-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download