c48d520bfc6a3ea448f47ca0c96fd3265afeab680520349d06882009153a881c

Analysis

max time kernel
137s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 15:37

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General

Target

2024-03-11_413751da4758d8478c74e0b68abc176c_cryptolocker.exe
Size

44KB
MD5

413751da4758d8478c74e0b68abc176c
SHA1

35ab95af491aab8413322f1ca84babd5facc7650
SHA256

c48d520bfc6a3ea448f47ca0c96fd3265afeab680520349d06882009153a881c
SHA512

2292ed82ea54690764829516694a543e3bc7708f1670b51b9bcbf51c608df21d5d2290bc891cb63d04bede4bd6527ed3748aa9b1522984f1018c703aba191151
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFqRoN60:bxNrC7kYo1Fxf3s05rwxbFvN60

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122dd-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2776	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2004	2024-03-11_413751da4758d8478c74e0b68abc176c_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 2004 wrote to memory of 2776	2004	2024-03-11_413751da4758d8478c74e0b68abc176c_cryptolocker.exe	28
PID 2004 wrote to memory of 2776	2004	2024-03-11_413751da4758d8478c74e0b68abc176c_cryptolocker.exe	28
PID 2004 wrote to memory of 2776	2004	2024-03-11_413751da4758d8478c74e0b68abc176c_cryptolocker.exe	28
PID 2004 wrote to memory of 2776	2004	2024-03-11_413751da4758d8478c74e0b68abc176c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-11_413751da4758d8478c74e0b68abc176c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-11_413751da4758d8478c74e0b68abc176c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.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\pissa.exe

Filesize
44KB

MD5
b376b0d029185b4b0554697d62513f51

SHA1
cce323011da0d61a0e86cea141b69a1b01df4c8d

SHA256
82a9427e2b88f711e759bcca047af5e22d9e4ad52b82aecceeb0061e6e40710b

SHA512
b7eea94c2f13dba4cd3bb61ff999d67cd61ccd4e6ed55fcb97305415d909e1e25ed9de0ecd671b81bbc42b5da5a165a9ce50ea8902fb0c17269d02f8c6652a09

Download Submit
memory/2004-0-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2004-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2004-3-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2776-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2776-20-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download