fada77eb3c4f65294018fa1c0e3b13393a1d99f5b5fe152e541f961c8cbd23a6

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 17:47

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General

Target

2024-02-14_f331859cce4bd56fc23897b8b1e95a15_cryptolocker.exe
Size

34KB
MD5

f331859cce4bd56fc23897b8b1e95a15
SHA1

1d08c7ef3735c00b0b7866bbdc259bcb6d84e234
SHA256

fada77eb3c4f65294018fa1c0e3b13393a1d99f5b5fe152e541f961c8cbd23a6
SHA512

136918033c850379ecc40f275829fad6703296e9126b463cf80f9a178fd6a795f5214c16ce7697b81798485eb59c3b084a1ae4164f73a657c2337deb2202ba59
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunexRlSrxVh:bA74zYcgT/Ekd0ryfjPIunYwj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012243-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2864	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2076	2024-02-14_f331859cce4bd56fc23897b8b1e95a15_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 2076 wrote to memory of 2864	2076	2024-02-14_f331859cce4bd56fc23897b8b1e95a15_cryptolocker.exe	28
PID 2076 wrote to memory of 2864	2076	2024-02-14_f331859cce4bd56fc23897b8b1e95a15_cryptolocker.exe	28
PID 2076 wrote to memory of 2864	2076	2024-02-14_f331859cce4bd56fc23897b8b1e95a15_cryptolocker.exe	28
PID 2076 wrote to memory of 2864	2076	2024-02-14_f331859cce4bd56fc23897b8b1e95a15_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_f331859cce4bd56fc23897b8b1e95a15_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_f331859cce4bd56fc23897b8b1e95a15_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2864

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\hasfj.exe

Filesize
34KB

MD5
c8567fe154b58bc18960aec091a68d8e

SHA1
0ff493630cab9006cc7dbc5223374b32c0e8a1e1

SHA256
8a4eac334632a5de6e7e8f697f9e4c200c506b56eb27e90502b9c5ebfe3313a5

SHA512
ebf49a5da5b97554181d473466dfbf7b7926e83f3a2b7c849b2f37f96c1a4c61916a8e38d45d441e951301b8fd78b150ada8e29070d4db9c19894a5e27c18958

Download Submit
memory/2076-0-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2076-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2076-2-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2864-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2864-22-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download