2999e7f97d3434311d2f68f47af2afe0d811230b67b981d3530bd8fa7862d00e

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
19/02/2024, 03:53

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General

Target

2024-02-19_b6199d4e4da2ab6cacc4157fa04740c6_cryptolocker.exe
Size

47KB
MD5

b6199d4e4da2ab6cacc4157fa04740c6
SHA1

6e7a3557db270898e2aa1b8026668bf4b6bd3479
SHA256

2999e7f97d3434311d2f68f47af2afe0d811230b67b981d3530bd8fa7862d00e
SHA512

4590f023233e3f05f26867907d9fce875572b6417ea28e1891ee9fd5c76730418d2fd870225f5afe043214c26e1217f2cc7a932b206eaf2f1519dbd65678e1e1
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hQcEp70:bgGYcA/53GAA6y37nbQq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012243-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2776	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	2024-02-19_b6199d4e4da2ab6cacc4157fa04740c6_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 2288 wrote to memory of 2776	2288	2024-02-19_b6199d4e4da2ab6cacc4157fa04740c6_cryptolocker.exe	28
PID 2288 wrote to memory of 2776	2288	2024-02-19_b6199d4e4da2ab6cacc4157fa04740c6_cryptolocker.exe	28
PID 2288 wrote to memory of 2776	2288	2024-02-19_b6199d4e4da2ab6cacc4157fa04740c6_cryptolocker.exe	28
PID 2288 wrote to memory of 2776	2288	2024-02-19_b6199d4e4da2ab6cacc4157fa04740c6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_b6199d4e4da2ab6cacc4157fa04740c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_b6199d4e4da2ab6cacc4157fa04740c6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2776

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
48KB

MD5
ad18fb0fa7a9be6572f5b2f2fd2b8a3b

SHA1
f6f8b5f3125b2571fca8fcdec2811b43a065909e

SHA256
5975577731a1ae8939c110e697a03c14c2540a7c9a5829249cd5f40c29aeb50d

SHA512
3168c0769d0e2965ee66636f759b161e3da5fd58f03a8de5d0e2ecc8c0bb150441d78fc16b27853b0163b158b29b9092088195e590c75f84c882bcd0c8014dc8

Download Submit
memory/2288-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2288-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2288-6-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2776-16-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2776-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download