04ee9c396f45d4dbcfd0631cf0a0d064205a81252f149ffbf4f07256c715ca4e

Analysis

max time kernel
123s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 06:45

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General

Target

2024-01-08_9d5cfa442b3f7ef882dda4b2aa0819d5_cryptolocker.exe
Size

40KB
MD5

9d5cfa442b3f7ef882dda4b2aa0819d5
SHA1

b59543e46b9050afaac1fd75ab8e6885cbe4dbac
SHA256

04ee9c396f45d4dbcfd0631cf0a0d064205a81252f149ffbf4f07256c715ca4e
SHA512

6db3eb04e021cb51a7b09dd48ca1deb36791b649d880f97892a07ea0daa185ac53792c6eb3285798ea564f3d4db02be5b68838afc524ced72ecdbde8c8c185bd
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpebVIYLHA3Kxh:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XI

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2616	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2044	2024-01-08_9d5cfa442b3f7ef882dda4b2aa0819d5_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2044	2024-01-08_9d5cfa442b3f7ef882dda4b2aa0819d5_cryptolocker.exe
2616	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 2616	2044	2024-01-08_9d5cfa442b3f7ef882dda4b2aa0819d5_cryptolocker.exe	28
PID 2044 wrote to memory of 2616	2044	2024-01-08_9d5cfa442b3f7ef882dda4b2aa0819d5_cryptolocker.exe	28
PID 2044 wrote to memory of 2616	2044	2024-01-08_9d5cfa442b3f7ef882dda4b2aa0819d5_cryptolocker.exe	28
PID 2044 wrote to memory of 2616	2044	2024-01-08_9d5cfa442b3f7ef882dda4b2aa0819d5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-08_9d5cfa442b3f7ef882dda4b2aa0819d5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_9d5cfa442b3f7ef882dda4b2aa0819d5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2616

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\hurok.exe

Filesize
40KB

MD5
18d3ee5d98a3850b8a6ee1d96edc461c

SHA1
490f1540b40058a0ce0e5224dd845d1cdc90cdd5

SHA256
2f29bccd5aaf27c1fc3f58b78873cee619c0680fd8732d3501a7cc0957dce965

SHA512
60eebd026e49aca11a379f28ea79f3626234279af6ab59c139dfe9b599fc22d94b605811f41934acd3b5e67e6be267793935b821b13a68899fda167bc9cb24df

Download Submit
memory/2044-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2044-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2044-5-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2616-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download