kinsing | f5af4a45e71f431da70149ae917e060319837b0291c59eb1fbfe7583169bc245

Analysis

max time kernel
117s
max time network
151s
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 16:58

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General

Target

2024-01-25_c8afded32718cfcf7e54cb6132b6aaac_cryptolocker.exe
Size

78KB
MD5

c8afded32718cfcf7e54cb6132b6aaac
SHA1

5369821910c873e7ae45c2fe9498bf0578e21541
SHA256

f5af4a45e71f431da70149ae917e060319837b0291c59eb1fbfe7583169bc245
SHA512

398b4a160648eaff4c555a48384f80c6a56dcbc8736a713e7f14f63507c2f4e0fb507c0aa33c63cc268ffc6f228fa58564a19e569b92f4d5f8a2f1b7e463ed59
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNE:vCjsIOtEvwDpj5H9YvQd22

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_c8afded32718cfcf7e54cb6132b6aaac_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-01-25_c8afded32718cfcf7e54cb6132b6aaac_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

1684 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1684	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_c8afded32718cfcf7e54cb6132b6aaac_cryptolocker.exe

description	pid	process	target process
PID 4804 wrote to memory of 1684	4804	2024-01-25_c8afded32718cfcf7e54cb6132b6aaac_cryptolocker.exe	misid.exe
PID 4804 wrote to memory of 1684	4804	2024-01-25_c8afded32718cfcf7e54cb6132b6aaac_cryptolocker.exe	misid.exe
PID 4804 wrote to memory of 1684	4804	2024-01-25_c8afded32718cfcf7e54cb6132b6aaac_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_c8afded32718cfcf7e54cb6132b6aaac_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_c8afded32718cfcf7e54cb6132b6aaac_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4804

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:1684

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
3883474b4534db53503e6b734611b21d

SHA1
aa1dfbc624313e764387685fe8832c2a160ada49

SHA256
a34ce1ceb149db7948fc7baafc8fdd8f6feab9f3c7ba8a03cda5231b3bc028c4

SHA512
8bac0d0fb22512c404e17b1dfb78e74c4fd8bc6061e7ab08497714eb623ae120f76c166c47da87a4967e275b6fcba605fcdb8ee59458e2f2928b47a1c399cf01

Download Submit
memory/1684-17-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1684-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4804-0-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/4804-1-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/4804-2-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download