a5aaa1ee6d7ccdf026fa55a7f476af4682aad18fbb5dac8b89924ae141dd008e

Analysis

max time kernel
140s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
27/08/2023, 16:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b09e7312e247724da6f63af4101fc6d0_cryptolocker_JC.exe
Size

38KB
MD5

b09e7312e247724da6f63af4101fc6d0
SHA1

a5e000ebda29b973e6bb5a0622e1081616059d35
SHA256

a5aaa1ee6d7ccdf026fa55a7f476af4682aad18fbb5dac8b89924ae141dd008e
SHA512

4ae7c86da1f65f01ddb6dd466312e9300ad307d2b6e9fb9b68f2af20c38c26877f90b76749a54317efa6591be346738a140914c32baad67d0d85dbe47caa9a02
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpebVIYLHA3KxU:o1KhxqwtdgI2MyzNORQtOflIwoHNV2X9

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1580	hurok.exe

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

description	pid	Process	procid_target
PID 2880 wrote to memory of 1580	2880	b09e7312e247724da6f63af4101fc6d0_cryptolocker_JC.exe	81
PID 2880 wrote to memory of 1580	2880	b09e7312e247724da6f63af4101fc6d0_cryptolocker_JC.exe	81
PID 2880 wrote to memory of 1580	2880	b09e7312e247724da6f63af4101fc6d0_cryptolocker_JC.exe	81

C:\Users\Admin\AppData\Local\Temp\b09e7312e247724da6f63af4101fc6d0_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\b09e7312e247724da6f63af4101fc6d0_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  PID:1580

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

Loading Replay Monitor...

Downloads

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

Filesize
38KB

MD5
72d558a727d84176db4c5e8be4d9d7c5

SHA1
94f2e41be73cb0c3644920e21d0d19995a0a212c

SHA256
6799659c4cb8cdc9e5de8b85169f517580ffc538a57c04ba05a22495ce6ecaa3

SHA512
1fd3565faa039dcc622e35dba09831a47d481b781b2208ad9b410afff8ed06c650d550a439a6da90667dda77c594b9db7460a3104224495c99adf9569546f752

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

Filesize
38KB

MD5
72d558a727d84176db4c5e8be4d9d7c5

SHA1
94f2e41be73cb0c3644920e21d0d19995a0a212c

SHA256
6799659c4cb8cdc9e5de8b85169f517580ffc538a57c04ba05a22495ce6ecaa3

SHA512
1fd3565faa039dcc622e35dba09831a47d481b781b2208ad9b410afff8ed06c650d550a439a6da90667dda77c594b9db7460a3104224495c99adf9569546f752

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

Filesize
38KB

MD5
72d558a727d84176db4c5e8be4d9d7c5

SHA1
94f2e41be73cb0c3644920e21d0d19995a0a212c

SHA256
6799659c4cb8cdc9e5de8b85169f517580ffc538a57c04ba05a22495ce6ecaa3

SHA512
1fd3565faa039dcc622e35dba09831a47d481b781b2208ad9b410afff8ed06c650d550a439a6da90667dda77c594b9db7460a3104224495c99adf9569546f752

Download Submit
memory/1580-20-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/2880-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2880-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2880-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download