c905576509ae01d874a0d2db6fdc6aacfc0b5e551fa1c7653540013b99218b69

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 20:40

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General

Target

2024-05-29_def493811af6a8e009fdff5ae7b2bdad_cryptolocker.exe
Size

87KB
MD5

def493811af6a8e009fdff5ae7b2bdad
SHA1

8d7ab08519ccf3332898653af4c5147f2a9ff0d8
SHA256

c905576509ae01d874a0d2db6fdc6aacfc0b5e551fa1c7653540013b99218b69
SHA512

36684b5910100ba67e9c9997a958099939c0c61a662b93676377f249796f989784a7dd3b793fe594517f895b4ebe6a22bceeecd5ba4e05e41a8706bb55fa94ec
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNl6aF:V6a+pOtEvwDpjvph

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014284-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014284-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2788	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2020	2024-05-29_def493811af6a8e009fdff5ae7b2bdad_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 2020 wrote to memory of 2788	2020	2024-05-29_def493811af6a8e009fdff5ae7b2bdad_cryptolocker.exe	28
PID 2020 wrote to memory of 2788	2020	2024-05-29_def493811af6a8e009fdff5ae7b2bdad_cryptolocker.exe	28
PID 2020 wrote to memory of 2788	2020	2024-05-29_def493811af6a8e009fdff5ae7b2bdad_cryptolocker.exe	28
PID 2020 wrote to memory of 2788	2020	2024-05-29_def493811af6a8e009fdff5ae7b2bdad_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-29_def493811af6a8e009fdff5ae7b2bdad_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-29_def493811af6a8e009fdff5ae7b2bdad_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2788

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\asih.exe

Filesize
87KB

MD5
a60f1a6b84affd0da67bc9a916801466

SHA1
f3f160952c0a735da43e5d152282e2b1750b5131

SHA256
d84400d40897541dbebf530aff3feb4a180c68b1d2c087518eaf753d0fbf519b

SHA512
43e5aef494adfdddebf8155c6d653600d87818b3652d55de4199cc72feb074ee0e0a92de9ac72bb68a5a4da3e2c092538012bef2e472a69fe0aa7aaaab59e46c

Download Submit
memory/2020-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2020-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2020-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2788-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2788-15-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download