c64a2233e157c2303ac0f784ccf192dbbe32e8050ecccca92234a58173a842f3

Analysis

max time kernel
155s
max time network
165s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 01:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-10_fc0e33c1d3162fb16820a825836d2061_cryptolocker.exe
Size

53KB
MD5

fc0e33c1d3162fb16820a825836d2061
SHA1

90a414c1b741e5f70b9a9ddaaeb2f587778266f8
SHA256

c64a2233e157c2303ac0f784ccf192dbbe32e8050ecccca92234a58173a842f3
SHA512

763ba0f869fc6f9261760b2c3624601601d8f5cc3675452c3ac23aa929b09c9ccd75a5688e63019521486612f61762c4d52a0afb40e9585b42402aad3a9ff5e5
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9G+E:bIDOw9a0DwitDZz5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001225b-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2904	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1464	2024-03-10_fc0e33c1d3162fb16820a825836d2061_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 1464 wrote to memory of 2904	1464	2024-03-10_fc0e33c1d3162fb16820a825836d2061_cryptolocker.exe	28
PID 1464 wrote to memory of 2904	1464	2024-03-10_fc0e33c1d3162fb16820a825836d2061_cryptolocker.exe	28
PID 1464 wrote to memory of 2904	1464	2024-03-10_fc0e33c1d3162fb16820a825836d2061_cryptolocker.exe	28
PID 1464 wrote to memory of 2904	1464	2024-03-10_fc0e33c1d3162fb16820a825836d2061_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_fc0e33c1d3162fb16820a825836d2061_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_fc0e33c1d3162fb16820a825836d2061_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2904

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

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

Filesize
53KB

MD5
ccf163baff5e5d872967b45f837a079c

SHA1
64e68d06c4c308054964e0675dc3c3f6348b5af2

SHA256
6292a73cf7aa1c0f3f943712f66dc82b6fc1f562ecb5b8ff0a122b389b1146a9

SHA512
c0e4136dfbccc13583b5b732624def78277688841541cf5ad614f5b23471c4ba6e73f0a36866d45143a9e38e6bc5d6dd6a63b20158df4403a2471071db4f7275

Download Submit
memory/1464-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1464-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/1464-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2904-15-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/2904-18-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download