c03631f93aed51e9b60b6dac4017bef991c7c30c15425d01a4f95e9158072843

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 01:39

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General

Target

2024-03-27_8b58666507be5c22cc25aa45265ac2c6_cryptolocker.exe
Size

43KB
MD5

8b58666507be5c22cc25aa45265ac2c6
SHA1

340cff2ff55db77def4ce0b85e4f004c4e21cbb4
SHA256

c03631f93aed51e9b60b6dac4017bef991c7c30c15425d01a4f95e9158072843
SHA512

40d7ade3e2cebb3a94f245e87235c99e0c694cf1dbeec010cead9f88538a8ae2dba0b459376a91e747d1ce8ee6490687da95223ba0f4216e8480b886b2a5fe39
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+syQNSDn:bgGYcA/53GADw8Cl/h

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014466-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2560	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1548	2024-03-27_8b58666507be5c22cc25aa45265ac2c6_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 1548 wrote to memory of 2560	1548	2024-03-27_8b58666507be5c22cc25aa45265ac2c6_cryptolocker.exe	28
PID 1548 wrote to memory of 2560	1548	2024-03-27_8b58666507be5c22cc25aa45265ac2c6_cryptolocker.exe	28
PID 1548 wrote to memory of 2560	1548	2024-03-27_8b58666507be5c22cc25aa45265ac2c6_cryptolocker.exe	28
PID 1548 wrote to memory of 2560	1548	2024-03-27_8b58666507be5c22cc25aa45265ac2c6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_8b58666507be5c22cc25aa45265ac2c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_8b58666507be5c22cc25aa45265ac2c6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2560

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
43KB

MD5
7daa92878de0c4bd1cc6e262a2608332

SHA1
6e59a1550bd18d4c6bf1de98c7429535925d07a9

SHA256
97a8d2a4862e953e21181a8286fc28d2b9a6ed28105761a9323322a80816a267

SHA512
536e426153cf0ce29ab8050f7b8e0dbeb04c750e662000bd1824eb19d44952a2cff5aa907492075f21a93deb18d58df4b452e9756a211894412aba2f78b9ed3e

Download Submit
memory/1548-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/1548-1-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/1548-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2560-15-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2560-19-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download