kinsing | c79bca8f939801dddc5fb7167e03c455199cc0b03119f2992f2445489346cc90

Analysis

max time kernel
135s
max time network
143s
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 17:31

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General

Target

2024-01-25_832269203e7cf07dff5a24f86f61d7ba_cryptolocker.exe
Size

93KB
MD5

832269203e7cf07dff5a24f86f61d7ba
SHA1

97d1eeb8473c4759d6e2854ae25e16fe83b7f106
SHA256

c79bca8f939801dddc5fb7167e03c455199cc0b03119f2992f2445489346cc90
SHA512

011bb4e49766887ef925a23c4316fb6a2c6752f7666f3e8895a51fab3535589c6f52b5a77899c17888c8bdcf3c6f20c198ae2bb65f922945da9450e1e9b8e35e
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJ9:xj+VGMOtEvwDpjubwQEIiVmkp

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2168-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral2/memory/4820-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/2168-18-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4820-55-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2168-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral2/memory/4820-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/memory/2168-18-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4820-55-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2168-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
C:\Users\Admin\AppData\Local\Temp\misid.exe	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4820-17-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2168-18-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4820-55-0x0000000000500000-0x0000000000510000-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:

2024-01-25_832269203e7cf07dff5a24f86f61d7ba_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_832269203e7cf07dff5a24f86f61d7ba_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

4820 misid.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4820	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-01-25_832269203e7cf07dff5a24f86f61d7ba_cryptolocker.exe

description	pid	process	target process
PID 2168 wrote to memory of 4820	2168	2024-01-25_832269203e7cf07dff5a24f86f61d7ba_cryptolocker.exe	misid.exe
PID 2168 wrote to memory of 4820	2168	2024-01-25_832269203e7cf07dff5a24f86f61d7ba_cryptolocker.exe	misid.exe
PID 2168 wrote to memory of 4820	2168	2024-01-25_832269203e7cf07dff5a24f86f61d7ba_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_832269203e7cf07dff5a24f86f61d7ba_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_832269203e7cf07dff5a24f86f61d7ba_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2168

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:4820

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
93KB

MD5
3827a11d1843d1caa0ca36bf418cf76e

SHA1
5d79a2492b7001c7c02e1afe7f0ed581f49d5aac

SHA256
0a0812bc57cb6bc49e5f2f8bfab9b1fd984cdaba79071141208c806428422b62

SHA512
b5dc2fb5621a90c39bf8b538f8078fbc9a425bf80853943b8c4ea2fa72ed589451e972d430710c77a5b9481dc5140c669eccd465fbe5624c03585bb33f51aa32

Download Submit
memory/2168-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2168-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2168-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2168-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2168-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4820-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4820-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4820-22-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4820-55-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download