7f3fb73cc7c78bd7c654c173b31f99fef1e2c41fde0204a5bd8a327f215d4606

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 03:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-03-09_e5346d09b3c0653cfc46fac9fdcd29a2_cryptolocker.exe
Size

41KB
MD5

e5346d09b3c0653cfc46fac9fdcd29a2
SHA1

81fa4d54978693a43f37dbbaceb50098f6551e90
SHA256

7f3fb73cc7c78bd7c654c173b31f99fef1e2c41fde0204a5bd8a327f215d4606
SHA512

400cf39fa2f0d31bb4791a287f9dd4932cf675e253fe454676a53e12b27c686b5686809c373acd63f2a742d2eb90d0dd3276281e1f4b1fe890884a9cd1317ebf
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu529hyr:bgGYcA/53GADw8Ch9s

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001224c-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2340	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2200	2024-03-09_e5346d09b3c0653cfc46fac9fdcd29a2_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 2200 wrote to memory of 2340	2200	2024-03-09_e5346d09b3c0653cfc46fac9fdcd29a2_cryptolocker.exe	30
PID 2200 wrote to memory of 2340	2200	2024-03-09_e5346d09b3c0653cfc46fac9fdcd29a2_cryptolocker.exe	30
PID 2200 wrote to memory of 2340	2200	2024-03-09_e5346d09b3c0653cfc46fac9fdcd29a2_cryptolocker.exe	30
PID 2200 wrote to memory of 2340	2200	2024-03-09_e5346d09b3c0653cfc46fac9fdcd29a2_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-03-09_e5346d09b3c0653cfc46fac9fdcd29a2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-09_e5346d09b3c0653cfc46fac9fdcd29a2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2340

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

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
41KB

MD5
5056e0be92e17bded1c258326a80424f

SHA1
f8c199e1344618546bd5f7a46aef05693944826f

SHA256
1554e09df3503787fa08a9f07e0010b82e3bf41153326432dc29cabeb571b633

SHA512
86bfe71eda806191f67a4d1c5f691337b26bffd8e5327920730fed627c96bf48ff5a64213fdc62288ae68613685f0ffa3fb7672be15e23a87eff54fd4f3b5add

Download Submit
memory/2200-0-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2200-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2200-1-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2340-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2340-22-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download