b2f4ba23d8c1d6a891fda6af5927b9dd577c2d32698f41d33529234db7fe5533

Analysis

max time kernel
150s
max time network
162s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07-03-2024 16:35

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General

Target

2024-03-07_6c488cc21a357a1f60f1a32aaf0fa50a_cryptolocker.exe
Size

49KB
MD5

6c488cc21a357a1f60f1a32aaf0fa50a
SHA1

d4e184a70c7f79a34ef7ce8af1a3ba59299c69d2
SHA256

b2f4ba23d8c1d6a891fda6af5927b9dd577c2d32698f41d33529234db7fe5533
SHA512

ea647f94b1e208f6a2903e47469c5ae1ba624c4f963a17985cd8a958f04018e4541a79c7756ce74ac47e90c9c596df81b7dfcfea3943b8beb98d16f7ae548c46
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakl1J:V6a+pOtEvwDpj0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001227e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001227e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2132	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2232	2024-03-07_6c488cc21a357a1f60f1a32aaf0fa50a_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 2232 wrote to memory of 2132	2232	2024-03-07_6c488cc21a357a1f60f1a32aaf0fa50a_cryptolocker.exe	28
PID 2232 wrote to memory of 2132	2232	2024-03-07_6c488cc21a357a1f60f1a32aaf0fa50a_cryptolocker.exe	28
PID 2232 wrote to memory of 2132	2232	2024-03-07_6c488cc21a357a1f60f1a32aaf0fa50a_cryptolocker.exe	28
PID 2232 wrote to memory of 2132	2232	2024-03-07_6c488cc21a357a1f60f1a32aaf0fa50a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-07_6c488cc21a357a1f60f1a32aaf0fa50a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-07_6c488cc21a357a1f60f1a32aaf0fa50a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2132

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

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

Filesize
50KB

MD5
0462827fa4538ee27f81f129c9875725

SHA1
fe3fe166d87ee652397eb2295f465ce5ed531d18

SHA256
5ca9b0478cedac5dce6ea6a93972d210ce14e46f57fcaecba8ddc90793145c1b

SHA512
609e18330415470d7f94dcf77c08f956ba40e103d27b7f8b1e4b1671c11dec51b5bcf1370c41236432611b94c0a44cfebad9b28b7fed4e13e1d42874f4eef978

Download Submit
memory/2132-15-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2132-20-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2232-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2232-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2232-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download