e653838898678211e814106d8296cd1cba68ed025da7e7cd7251ac7497fe454c

Analysis

max time kernel
151s
max time network
161s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 22:44

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General

Target

2024-01-18_4e40c227656115a63c14f705c4836737_cryptolocker.exe
Size

47KB
MD5

4e40c227656115a63c14f705c4836737
SHA1

afa8c2b0aea1e56e95c322f510efac719e218dd8
SHA256

e653838898678211e814106d8296cd1cba68ed025da7e7cd7251ac7497fe454c
SHA512

4b5fbf4b1f0b4ac69ecd340e98afbb67682a4d04ebc4bb63b331abac4e250d9bf03dacdf85d2fa48fe0ba37227aa7ad9b321e4940c73995bec2efbf76992736e
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5D:bgGYcA/53GAA6y37Q6dI+d5D

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000120f8-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2124	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2460	2024-01-18_4e40c227656115a63c14f705c4836737_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 2460 wrote to memory of 2124	2460	2024-01-18_4e40c227656115a63c14f705c4836737_cryptolocker.exe	28
PID 2460 wrote to memory of 2124	2460	2024-01-18_4e40c227656115a63c14f705c4836737_cryptolocker.exe	28
PID 2460 wrote to memory of 2124	2460	2024-01-18_4e40c227656115a63c14f705c4836737_cryptolocker.exe	28
PID 2460 wrote to memory of 2124	2460	2024-01-18_4e40c227656115a63c14f705c4836737_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_4e40c227656115a63c14f705c4836737_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_4e40c227656115a63c14f705c4836737_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2124

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\hasfj.exe

Filesize
47KB

MD5
62c769965b553bd3baf73e8ca1968424

SHA1
f89bb7548913ddcb9b9976446913c433af139cf5

SHA256
a6fa4ce5d8fecd260f0a6dd3143bd8ba771fd562a7d22661095eec290fa1a35f

SHA512
07da5e04c25211a89fd29a2c2b898e66a9e1ff3ced84f0521c3cb4d438eb7bb77c38f20cccebb9d6a22ea65a6f2da88c6311fc08d12daece91b3a356d735cf76

Download Submit
memory/2124-15-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2124-18-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2460-0-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2460-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2460-3-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download