kinsing | bd4c55dd26f9317caeee5fb0319aaa51517ee728e5c2ca6ed91ae637e25277fd

General

Target

2024-01-25_eae9970dbe24d44a9fb35be1a07bb555_cryptolocker.exe
Size

97KB
MD5

eae9970dbe24d44a9fb35be1a07bb555
SHA1

d14b8c21b8c37bca2ffa42832b10038b3622bb2f
SHA256

bd4c55dd26f9317caeee5fb0319aaa51517ee728e5c2ca6ed91ae637e25277fd
SHA512

3567dfa71cda4ae2ba7da8040cfb546d78d980c91863e96cfff994df4cefb15f4b1ce0af0a2bcd56594e65b891e5f0a15fdc297a4241a7072f735868a6692ad0
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjuvQG:zCsanOtEvwDpjd

Score

10^/10

kinsing loader upx

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/3636-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral2/memory/3636-18-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/1400-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/1400-53-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3636-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
C:\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral2/memory/3636-18-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/memory/1400-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/memory/1400-53-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

UPX dump on OEP (original entry point) 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3636-0-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
C:\Users\Admin\AppData\Local\Temp\misid.exe	UPX
behavioral2/memory/3636-18-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral2/memory/1400-17-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral2/memory/1400-53-0x0000000000500000-0x0000000000510000-memory.dmp	UPX

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_eae9970dbe24d44a9fb35be1a07bb555_cryptolocker.exemisid.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	2024-01-25_eae9970dbe24d44a9fb35be1a07bb555_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

1400 misid.exe

pid	process
1400	misid.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3636-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\misid.exe	upx
behavioral2/memory/3636-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/1400-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/1400-53-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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_eae9970dbe24d44a9fb35be1a07bb555_cryptolocker.exe

description	pid	process	target process
PID 3636 wrote to memory of 1400	3636	2024-01-25_eae9970dbe24d44a9fb35be1a07bb555_cryptolocker.exe	misid.exe
PID 3636 wrote to memory of 1400	3636	2024-01-25_eae9970dbe24d44a9fb35be1a07bb555_cryptolocker.exe	misid.exe
PID 3636 wrote to memory of 1400	3636	2024-01-25_eae9970dbe24d44a9fb35be1a07bb555_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_eae9970dbe24d44a9fb35be1a07bb555_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_eae9970dbe24d44a9fb35be1a07bb555_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3636

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:1400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe
Filesize
97KB

MD5
8f094b3da71e3be4ca53a0540b126a66

SHA1
dff811d7c542b9c2edb2d55665d7cf493489030e

SHA256
ca98946ebae735de19dccd50945a08c26a6290204028667b8b3059c590536336

SHA512
675d924dbc3b1904646d0c6bf0489c5c2adfd9ad9a343bee2c389a071a2fc6f18ff3cb7cfffb63d33cad951a01e73e2c75a1d6d35a21736a790ef09e4b703f6e

Download Submit
memory/1400-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1400-20-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/1400-22-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/1400-53-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3636-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3636-1-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/3636-2-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/3636-3-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/3636-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads