84479e15a41ae9eba352a67a22c1028221c6b046158929ec187a1813071a5598

Analysis

max time kernel
157s
max time network
171s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 21:46

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General

Target

2024-03-28_8b96e8f270c1ac9b9482929207088b56_cryptolocker.exe
Size

33KB
MD5

8b96e8f270c1ac9b9482929207088b56
SHA1

b69261e638dd0ef5a7cdc1c0918f022d70445b92
SHA256

84479e15a41ae9eba352a67a22c1028221c6b046158929ec187a1813071a5598
SHA512

fedaaa6f400a580b20a9bf9dfada057954cd4471657498c8a43b5cbc8e957e14c93b263feb04b921682cf659f1295185d9655a51e72de51c1fd902a0107b8489
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunvsYo8y:bA74zYcgT/Ekd0ryfjPIunvsiy

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012249-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2484	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2988	2024-03-28_8b96e8f270c1ac9b9482929207088b56_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 2988 wrote to memory of 2484	2988	2024-03-28_8b96e8f270c1ac9b9482929207088b56_cryptolocker.exe	28
PID 2988 wrote to memory of 2484	2988	2024-03-28_8b96e8f270c1ac9b9482929207088b56_cryptolocker.exe	28
PID 2988 wrote to memory of 2484	2988	2024-03-28_8b96e8f270c1ac9b9482929207088b56_cryptolocker.exe	28
PID 2988 wrote to memory of 2484	2988	2024-03-28_8b96e8f270c1ac9b9482929207088b56_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-28_8b96e8f270c1ac9b9482929207088b56_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_8b96e8f270c1ac9b9482929207088b56_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2484

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
34KB

MD5
81a4b62876d635c85eba496248cdda6b

SHA1
80d0f947ca7af17f71ff4e6bb0b70ec8fea7b5c9

SHA256
10c553812e61b904fe73e725f020bdc263857547a024e0517af8a36fdd6cad48

SHA512
26bfb974aaa820c35512196d6b138c6fd42a733ee210e7ea3911014334eb765dea090a19f25d412428e27ed4bd58544d6f5252c5c50b8eb420d428a763e14f41

Download Submit
memory/2484-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2484-17-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2988-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2988-1-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2988-5-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download