074fd9e989e210d7eeee80bf9340f1120a4c732aef05d605d69c60b0de823506

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/05/2024, 04:34

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General

Target

2024-05-24_827ae8032c19bf90c50c65a1d0e185a7_cryptolocker.exe
Size

55KB
MD5

827ae8032c19bf90c50c65a1d0e185a7
SHA1

7c94ca316e9306c9392a2bcd07429ccbca3337aa
SHA256

074fd9e989e210d7eeee80bf9340f1120a4c732aef05d605d69c60b0de823506
SHA512

ad70d1f5127ec240accefa68cc5bdc6073faf6ba388a448d30441209d6d8cd71e3800877eb3c362b6a0a093852454fbc04d9658e22cfb476fc5a9d9ef3ff29c0
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5UjO:ZVxkGOtEvwDpjcT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016a29-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3044	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2344	2024-05-24_827ae8032c19bf90c50c65a1d0e185a7_cryptolocker.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 2344 wrote to memory of 3044	2344	2024-05-24_827ae8032c19bf90c50c65a1d0e185a7_cryptolocker.exe	28
PID 2344 wrote to memory of 3044	2344	2024-05-24_827ae8032c19bf90c50c65a1d0e185a7_cryptolocker.exe	28
PID 2344 wrote to memory of 3044	2344	2024-05-24_827ae8032c19bf90c50c65a1d0e185a7_cryptolocker.exe	28
PID 2344 wrote to memory of 3044	2344	2024-05-24_827ae8032c19bf90c50c65a1d0e185a7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-24_827ae8032c19bf90c50c65a1d0e185a7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-24_827ae8032c19bf90c50c65a1d0e185a7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3044

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

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
55KB

MD5
36e963f192d3889facc62cce85860175

SHA1
6e40130ff1d4bb5facee1510cdc999493a4d5bdd

SHA256
b34a8c63dbfb251568d2c88ae9ab0e6fdceeb93e97fc88f6d438c196240a1d10

SHA512
15a6efb77dfca3260fa7c1593eecb53fd621380812f4a91d12b3f0235a24afd4129960b0b07b0e41acf792c32f3d23c8d4e3c2d1d5fc92d59f895d3e1416267c

Download Submit
memory/2344-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2344-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2344-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3044-14-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/3044-16-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3044-23-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3044-24-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download