kinsing | 06dc692486aa72583cedea5dd433ca6f99f6efd4972e43bfa36e350a93ca13b2

Analysis

max time kernel
148s
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, 17:26

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General

Target

2024-01-25_421327f0efe660165dfaa4685c9a4c06_cryptolocker.exe
Size

47KB
MD5

421327f0efe660165dfaa4685c9a4c06
SHA1

3c90a2617b3bf468de1ed48245e3fa1141de45af
SHA256

06dc692486aa72583cedea5dd433ca6f99f6efd4972e43bfa36e350a93ca13b2
SHA512

6b29b520f0d77e0f321251047d0a5ba74fd21ed7fbea1ecc053f4aca2133f9aac3c543178b8fa8c0591f91d98ff8a955296249e6e52b2a8cc8bdb23f81779dad
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaAs:xj+VGMOtEvwDpjy+Tr

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/2748-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x0006000000023218-13.dat	CryptoLocker_rule2
behavioral2/memory/2748-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4020-54-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral2/memory/2748-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x0006000000023218-13.dat	CryptoLocker_set1
behavioral2/memory/2748-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4020-54-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral2/memory/2748-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0006000000023218-13.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2748-17-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4020-54-0x0000000000500000-0x0000000000510000-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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	2024-01-25_421327f0efe660165dfaa4685c9a4c06_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
4020	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 2748 wrote to memory of 4020	2748	2024-01-25_421327f0efe660165dfaa4685c9a4c06_cryptolocker.exe	88
PID 2748 wrote to memory of 4020	2748	2024-01-25_421327f0efe660165dfaa4685c9a4c06_cryptolocker.exe	88
PID 2748 wrote to memory of 4020	2748	2024-01-25_421327f0efe660165dfaa4685c9a4c06_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-25_421327f0efe660165dfaa4685c9a4c06_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_421327f0efe660165dfaa4685c9a4c06_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2748
- 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:4020

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
f2618a06e5af96fcc236b587dca40272

SHA1
4940ebcc3e844f459b9f3df87f16caf5eae30109

SHA256
06c5fd8ffbfc1c18c0f6dfb00c8809bdbb439c70d031dc7090f095cb7af5c2d0

SHA512
d4951b67a7a7aff200edee4d00b7f2d2efb156bd31b98603f5df314d73bd9851e7b6ccac236b8ff557a5984f3996101fe6dda13b86346cae8a879b33bfeeb3df

Download Submit
memory/2748-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2748-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2748-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2748-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2748-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4020-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4020-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4020-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download