396ecc670a47322d3a7f9d84446e6fc9cbffd0211cfdaed96bf79f2a10a24a4e

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
27/01/2024, 19:46

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General

Target

2024-01-27_82e591a4bdbd4a6329608b43aae4fbf7_cryptolocker.exe
Size

45KB
MD5

82e591a4bdbd4a6329608b43aae4fbf7
SHA1

6922309dedebc65144f2c331ad4bad3c6f611e61
SHA256

396ecc670a47322d3a7f9d84446e6fc9cbffd0211cfdaed96bf79f2a10a24a4e
SHA512

408d5febd27eb696221e4198234a16312677753c9ad4f4b2a02b0cefe60ba1ed6cdc1290ca5e0a446f0087d5db1971f3422b7811ae662eff9542baf1b585aa5e
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YlNBu:bgGYcA/53GAA6y37Qbu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012267-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2104	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	2024-01-27_82e591a4bdbd4a6329608b43aae4fbf7_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 2208 wrote to memory of 2104	2208	2024-01-27_82e591a4bdbd4a6329608b43aae4fbf7_cryptolocker.exe	28
PID 2208 wrote to memory of 2104	2208	2024-01-27_82e591a4bdbd4a6329608b43aae4fbf7_cryptolocker.exe	28
PID 2208 wrote to memory of 2104	2208	2024-01-27_82e591a4bdbd4a6329608b43aae4fbf7_cryptolocker.exe	28
PID 2208 wrote to memory of 2104	2208	2024-01-27_82e591a4bdbd4a6329608b43aae4fbf7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-27_82e591a4bdbd4a6329608b43aae4fbf7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-27_82e591a4bdbd4a6329608b43aae4fbf7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2104

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
45KB

MD5
831746cc5d33dfdd31005e15a04b1f9e

SHA1
3f35831389f293eb2284653b0355bb97ca009043

SHA256
15a5859cc12f20f9234abef4689e02ac2a7ccc280b95c4b755ba210fcdba1094

SHA512
f74219eea24a6a5d8691743380b6de5379f428718de8c7288a2d74c408c577d120ad30d912bfa1e2998b7ac03e37b5d6cb5382a80a72d41aec4717f693843e56

Download Submit
memory/2104-15-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2104-18-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/2208-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2208-2-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download