87ee2a62b1b4fc834f8e8e6836662e7b32ccb6ad5d0d99d5be3769be66cc73e4

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
02-10-2023 16:18

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General

Target

2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe
Size

69KB
MD5

245600f18b0df70f50a259202cb26a55
SHA1

989ab47075cdab023027ad6ab505985cbb2fd411
SHA256

87ee2a62b1b4fc834f8e8e6836662e7b32ccb6ad5d0d99d5be3769be66cc73e4
SHA512

67ce1032499fdea3ed41d388b1ff51f9379694ef5d26698a36a56964b8bb44e86b65c3e1dc619f666e30fb86f28ae75e996c290e3ce0cf02209c12f6a3d3c4b6
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1b8:X6a+SOtEvwDpjBZYvQd2w

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1816	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2224	2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 1816	2224	2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe	28
PID 2224 wrote to memory of 1816	2224	2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe	28
PID 2224 wrote to memory of 1816	2224	2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe	28
PID 2224 wrote to memory of 1816	2224	2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-27_245600f18b0df70f50a259202cb26a55_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1816

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
69KB

MD5
40561dbc4b9a03fb26a180184ac55c9c

SHA1
6856a313f3f12161b9dd9a9d388bc21e679b5999

SHA256
76797444d213341c61d710bf33de4f40134aab9ce97240e80d736da382ed5034

SHA512
3701a49b5144c0b10dc5036e6c50d9540a6e93918d079e819e1934e56144afed906ca24752e6a596d8cb898d5a19536d6f031342e07f9991afaeebd705431992

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
69KB

MD5
40561dbc4b9a03fb26a180184ac55c9c

SHA1
6856a313f3f12161b9dd9a9d388bc21e679b5999

SHA256
76797444d213341c61d710bf33de4f40134aab9ce97240e80d736da382ed5034

SHA512
3701a49b5144c0b10dc5036e6c50d9540a6e93918d079e819e1934e56144afed906ca24752e6a596d8cb898d5a19536d6f031342e07f9991afaeebd705431992

Download Submit
\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
69KB

MD5
40561dbc4b9a03fb26a180184ac55c9c

SHA1
6856a313f3f12161b9dd9a9d388bc21e679b5999

SHA256
76797444d213341c61d710bf33de4f40134aab9ce97240e80d736da382ed5034

SHA512
3701a49b5144c0b10dc5036e6c50d9540a6e93918d079e819e1934e56144afed906ca24752e6a596d8cb898d5a19536d6f031342e07f9991afaeebd705431992

Download Submit
memory/1816-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2224-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2224-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2224-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download