2de6e94a3b2397740b5024c2cb8f5582592b824cca5a8e63ef7d6644a85b725d

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:40

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General

Target

2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe
Size

59KB
MD5

e7ce3e59b8de1c6a2ef795c932db91b2
SHA1

317fd58e791517774733798e0ca0530b72c0e5dd
SHA256

2de6e94a3b2397740b5024c2cb8f5582592b824cca5a8e63ef7d6644a85b725d
SHA512

b076b5b9657fb3efcddf6de459f39a11f30a14547899655fd641f4d4643fa09b3244e980d91557a8518989ce9019189b6a18f9e4f90eff907aefa61d72036679
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/xn:X6a+SOtEvwDpjBrOZ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2160 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe

pid process

1720 2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2160	asih.exe

pid	process
1720	2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe

description	pid	process	target process
PID 1720 wrote to memory of 2160	1720	2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe	asih.exe
PID 1720 wrote to memory of 2160	1720	2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe	asih.exe
PID 1720 wrote to memory of 2160	1720	2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe	asih.exe
PID 1720 wrote to memory of 2160	1720	2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7ce3e59b8de1c6a2ef795c932db91b2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1720

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
60KB

MD5
00d0896f61905c313b56bb573a4dc8db

SHA1
d43ca8df3a98f2a1842e6d2e4f9222c172d650fc

SHA256
4fd2ae8afb3069f8e5ed35319f444c359d55f2f69028e44be4b965b1603955f1

SHA512
7a5a2f1939adce6fe011f1be69953ae7e3cbbe89300e2712a992c68672c5ce6eaa71201dcd238c11f19c81e9410232766101c89c71acf2a1d902b03cb0203366

Download Submit
memory/1720-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1720-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/1720-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2160-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2160-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download