7188fea4abefc87049710cec7aa4fe1264dabddc8a2f4fe87377719f3b2327d1

Analysis

max time kernel
150s
max time network
162s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 22:33

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General

Target

2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe
Size

35KB
MD5

286f70e33b63a68e67a085f7865785d7
SHA1

b358ce8b06897c9bb739701d38fd3d944c35bc18
SHA256

7188fea4abefc87049710cec7aa4fe1264dabddc8a2f4fe87377719f3b2327d1
SHA512

164ad0657b5b5b8b2e8a78f47ad29d8095e6098d06ead49d7b0cd69e82925a3d0a98e7e306c160795f318b4b14b22d0e676bbf7c255354c7eea08581f590f9f6
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3a:bxNrC7kYo1Fxf3s06gY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012133-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2704	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2512	2024-01-18_286f70e33b63a68e67a085f7865785d7_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 2512 wrote to memory of 2704	2512	2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe	28
PID 2512 wrote to memory of 2704	2512	2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe	28
PID 2512 wrote to memory of 2704	2512	2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe	28
PID 2512 wrote to memory of 2704	2512	2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_286f70e33b63a68e67a085f7865785d7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2704

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\pissa.exe

Filesize
35KB

MD5
f0a0d96c2269e90a414203e4b99e54c3

SHA1
dc7ffd7013d9eff58645cf2ab4432d7b2c1a9887

SHA256
b36b5670d25515211714973d7831c19ac6f46a9e2951d4f3caad0863a4ee4d74

SHA512
032d7cc90edb12b4ac1db17bd214fff7d178a52f590f8e309d86e4b8923e3d9b1367fa295d72b6f6793258c189fa55244db5812d02b06eb5e1da39306bcfaebf

Download Submit
memory/2512-0-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2512-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2512-8-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2704-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2704-16-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download