9fba7ec6eb3de5b1488e2d5765c4a30cc785fb6d41ba1d8576f11c9cec7c5e52

Analysis

max time kernel
152s
max time network
158s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 18:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe
Size

34KB
MD5

074973ab684dd7d268052ccd0cf5d5fd
SHA1

f344c6ccc51274fc5511030f009bbff2b6e00007
SHA256

9fba7ec6eb3de5b1488e2d5765c4a30cc785fb6d41ba1d8576f11c9cec7c5e52
SHA512

817e49cd4ce1058604637b3f95046d33f80e01d01b1b32a72da040f03ee714ff2aabc0252cd09975f630a6a9652bf0da7fd16281ad49d3d6e7352d57349154d1
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunexRlSrxVfi:bA74zYcgT/Ekd0ryfjPIunYwdi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012262-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2836	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_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 2180 wrote to memory of 2836	2180	2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe	28
PID 2180 wrote to memory of 2836	2180	2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe	28
PID 2180 wrote to memory of 2836	2180	2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe	28
PID 2180 wrote to memory of 2836	2180	2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_074973ab684dd7d268052ccd0cf5d5fd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2836

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\hasfj.exe

Filesize
34KB

MD5
69a03b16b10805f7b9cbc9f575b3a7b0

SHA1
8419a4386bfb221ab92c9171e80faff45082c96d

SHA256
fecfda5633571a1db92e2bf25a963b6c4383910a435ecf40d35f801db36f6cca

SHA512
eadb75231c7c50d5b268d07fa4bdee259c9487d3367ae93e34613a40db1766d9838a4ff4eae115ef2f68fe427608a612283f9c375c5950eae029f517077b4d0b

Download Submit
memory/2180-0-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2180-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2836-16-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2836-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download