f3c2b9b05abac1056b9e4caa4adf00e5d3c527778571a6eaebfe448c8ab1a488

Analysis

max time kernel
150s
max time network
158s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
25/08/2023, 14:10

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General

Target

941e75b4e2ba91bc012073d03efc845f_cryptolocker_JC.exe
Size

68KB
MD5

941e75b4e2ba91bc012073d03efc845f
SHA1

8eaa4bca4a76b7192b4a7756ee2c5660143f2c6f
SHA256

f3c2b9b05abac1056b9e4caa4adf00e5d3c527778571a6eaebfe448c8ab1a488
SHA512

230704d096def64926aa3be9bc0cfb89840e6ee894ce2043fcf47a2cb4ba5d808513f43dbac86bf93a14cf56a1cea43694f68297d6e4dbd7dd4d3508889c6fef
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx12:X6a+SOtEvwDpjBZYvQd22

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2640	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2588	941e75b4e2ba91bc012073d03efc845f_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 2588 wrote to memory of 2640	2588	941e75b4e2ba91bc012073d03efc845f_cryptolocker_JC.exe	28
PID 2588 wrote to memory of 2640	2588	941e75b4e2ba91bc012073d03efc845f_cryptolocker_JC.exe	28
PID 2588 wrote to memory of 2640	2588	941e75b4e2ba91bc012073d03efc845f_cryptolocker_JC.exe	28
PID 2588 wrote to memory of 2640	2588	941e75b4e2ba91bc012073d03efc845f_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\941e75b4e2ba91bc012073d03efc845f_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\941e75b4e2ba91bc012073d03efc845f_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2640

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
09fab10067faadbc025efc8e05992944

SHA1
743f4cbfd5c4dd9817d74c4ec72108cde66fa36c

SHA256
1b7020ea922c256c3746299491f2aa577b5fb4cb921334cdae90c4ea81bab70b

SHA512
c3b94d6ee7fe6c7514915d04741b8f6e90b0a4b0048b0446ff514a44e52c06baef26ec66b18ab8fdd5451e0cc48ffd59a7fa92367a9bdc7443adf97653ddb5a9

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

Filesize
69KB

MD5
09fab10067faadbc025efc8e05992944

SHA1
743f4cbfd5c4dd9817d74c4ec72108cde66fa36c

SHA256
1b7020ea922c256c3746299491f2aa577b5fb4cb921334cdae90c4ea81bab70b

SHA512
c3b94d6ee7fe6c7514915d04741b8f6e90b0a4b0048b0446ff514a44e52c06baef26ec66b18ab8fdd5451e0cc48ffd59a7fa92367a9bdc7443adf97653ddb5a9

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

Filesize
69KB

MD5
09fab10067faadbc025efc8e05992944

SHA1
743f4cbfd5c4dd9817d74c4ec72108cde66fa36c

SHA256
1b7020ea922c256c3746299491f2aa577b5fb4cb921334cdae90c4ea81bab70b

SHA512
c3b94d6ee7fe6c7514915d04741b8f6e90b0a4b0048b0446ff514a44e52c06baef26ec66b18ab8fdd5451e0cc48ffd59a7fa92367a9bdc7443adf97653ddb5a9

Download Submit
memory/2588-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2588-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2588-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2640-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2640-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download