d29f82e95e17ec7e5ccb5dea0d8ada38a61f26f548e90535c3b273e415e977a6

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/07/2024, 15:21

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General

Target

2024-07-22_67d7ed85179490bc420f31dd0068f353_cryptolocker.exe
Size

68KB
MD5

67d7ed85179490bc420f31dd0068f353
SHA1

bc50bebe69f3c8e89aa9967635cec2191a963d28
SHA256

d29f82e95e17ec7e5ccb5dea0d8ada38a61f26f548e90535c3b273e415e977a6
SHA512

238cc18cdfe27db9bb888597d2ba4b8a3064280e6a8891a14d66a263f80c4d1d55a24486a894d8eb2535d4f308bf365fac241a8549d6ab1ccd4d9de138603137
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLED:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7L

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1844	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2968	2024-07-22_67d7ed85179490bc420f31dd0068f353_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
2968	2024-07-22_67d7ed85179490bc420f31dd0068f353_cryptolocker.exe
1844	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 1844	2968	2024-07-22_67d7ed85179490bc420f31dd0068f353_cryptolocker.exe	30
PID 2968 wrote to memory of 1844	2968	2024-07-22_67d7ed85179490bc420f31dd0068f353_cryptolocker.exe	30
PID 2968 wrote to memory of 1844	2968	2024-07-22_67d7ed85179490bc420f31dd0068f353_cryptolocker.exe	30
PID 2968 wrote to memory of 1844	2968	2024-07-22_67d7ed85179490bc420f31dd0068f353_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-07-22_67d7ed85179490bc420f31dd0068f353_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-22_67d7ed85179490bc420f31dd0068f353_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2968
- 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:1844

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
68KB

MD5
a3c1b26a6d70b59a808a9f24df0a44de

SHA1
873cb8a46cdeb3c3bd39942ea08e24dcf5bac876

SHA256
3d38be573ad57f5e1eaa9af0317fd018ac2d92cf4ff000bc9c71afe521f72bc4

SHA512
9dfec3c59b0c78f7e9ccce06b970332eaac61f5b8d0b840cea7149e21337aa8eaf085bb4dd07b2fb0b659f78a1d5c5a83204c5ef63859b5cc4dc7a0202a63c8e

Download Submit
memory/1844-23-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2968-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2968-8-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2968-0-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download