989da34b64eea87c2295d8b3b87ad6300bfc7daf9c646721ee8240517eb801a6

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/05/2024, 20:09

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General

Target

2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe
Size

52KB
MD5

311a843c152f46615ddc8aeff4836ce9
SHA1

08eef5f13e66db5035f45c59512162f6d3046193
SHA256

989da34b64eea87c2295d8b3b87ad6300bfc7daf9c646721ee8240517eb801a6
SHA512

7621b0321bded4a909c974a9c602fa7e781ae87a61543d221ed56b29cbcde51b27f6128d0f33f07d68a8b50303941cb3d5e5375b6ce2fdcd3ae3d7e9a2c86f2b
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CS4Gj3:bgGYcA/53GAA6y37Q6dI+d5QGT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015ccd-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2480	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2316	2024-05-25_311a843c152f46615ddc8aeff4836ce9_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 2316 wrote to memory of 2480	2316	2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe	28
PID 2316 wrote to memory of 2480	2316	2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe	28
PID 2316 wrote to memory of 2480	2316	2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe	28
PID 2316 wrote to memory of 2480	2316	2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-25_311a843c152f46615ddc8aeff4836ce9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2480

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
53KB

MD5
b9311143b6b71f062e218aa787e903be

SHA1
78c2ca50013318601d1436858a50fdd4acc34cc9

SHA256
1a5ad04bacc0111658f9302879d9882f6f09772ad898bc25c5de7fdcd41ce977

SHA512
b62e3aec4eeb8adef5e0e874c917c1fd2a1c9de094f268b84a08084fc546772ce7bc83d170b73e4bd7b71e71c4a595314cabdad7ad452d6e629ecf14070d146b

Download Submit
memory/2316-1-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/2316-8-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/2316-0-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/2480-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2480-22-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download