kinsing | b07ddf7a0f03d2a4a1a5addea0aa795a91be91bf308734a151ab16448b9ad7c7

Analysis

max time kernel
138s
max time network
153s
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 17:41

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General

Target

2024-01-25_f43fef50b760b03505c6db0056a0bbcf_cryptolocker.exe
Size

44KB
MD5

f43fef50b760b03505c6db0056a0bbcf
SHA1

aa865a3cda3fd57ab1c0c924e5bc9d2baebffefb
SHA256

b07ddf7a0f03d2a4a1a5addea0aa795a91be91bf308734a151ab16448b9ad7c7
SHA512

040e1fd15495d38826592c95bf7c0f989349ee40fa86fa08b1c70c22ab30291909d258314310b4f77054072721f8ce56bdd6ef5c3af67ef47ab96f2a959efea8
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhbCi44vCP:6j+1NMOtEvwDpjr8dx4F

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/60-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x0007000000023126-13.dat	CryptoLocker_rule2
behavioral2/memory/60-25-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4148-54-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/60-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x0007000000023126-13.dat	CryptoLocker_set1
behavioral2/memory/60-25-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4148-54-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/60-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0007000000023126-13.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/60-25-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4148-54-0x0000000000500000-0x000000000050F000-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:

2024-01-25_f43fef50b760b03505c6db0056a0bbcf_cryptolocker.exemisid.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-25_f43fef50b760b03505c6db0056a0bbcf_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

Processes:

misid.exe

pid	Process
4148	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

Processes:

2024-01-25_f43fef50b760b03505c6db0056a0bbcf_cryptolocker.exe

description	pid	Process	procid_target
PID 60 wrote to memory of 4148	60	2024-01-25_f43fef50b760b03505c6db0056a0bbcf_cryptolocker.exe	89
PID 60 wrote to memory of 4148	60	2024-01-25_f43fef50b760b03505c6db0056a0bbcf_cryptolocker.exe	89
PID 60 wrote to memory of 4148	60	2024-01-25_f43fef50b760b03505c6db0056a0bbcf_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-01-25_f43fef50b760b03505c6db0056a0bbcf_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_f43fef50b760b03505c6db0056a0bbcf_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:4148

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
44KB

MD5
3d8a9e651ea43c3022048ce64ca590c2

SHA1
a70c10317139f70ddf0a58b2d47935f39af97040

SHA256
6eb79dcff31d9e8639a58fae6dbcfd41dcd68cda870d1679f7e9596fb33f1c56

SHA512
454eea7b21f9da3a9047916e46aa8aa535501c7af2a135504d0c377d0605451b2a6a39cd84ec5c7eadc212627e727909d2ed79324112ca6d158caa8dc1a028ac

Download Submit
memory/60-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/60-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/60-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/60-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/60-25-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4148-18-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/4148-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4148-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download