3c145965e8146788963be3056eccfeb35e7f6dd7263122d7f665ca50d250f968

Analysis

max time kernel
155s
max time network
160s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 13:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_cryptolocker.exe
Size

101KB
MD5

d8f0be4921671acdd5bbf2ffbd7191bd
SHA1

664e7d81bdac4fd2bd751fe9ac18902fbdae7471
SHA256

3c145965e8146788963be3056eccfeb35e7f6dd7263122d7f665ca50d250f968
SHA512

c2185c1fe3d9737b2098690ca2a5919ab6c70bf399e61454960a0ebbc004d388dbd41ef1ce6dcc84b1e293ed09d85efa61ac3af458efcbbfb7a955b41048c4e9
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQbCJjN34:V6a+pOtEvwDpjtzJ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000133c1-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000133c1-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2916	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_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 2108 wrote to memory of 2916	2108	2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_cryptolocker.exe	28
PID 2108 wrote to memory of 2916	2108	2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_cryptolocker.exe	28
PID 2108 wrote to memory of 2916	2108	2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_cryptolocker.exe	28
PID 2108 wrote to memory of 2916	2108	2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2916

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
101KB

MD5
abe621e02887f47fd87babd11aadd3ad

SHA1
000c9597dc9af9badfa18ebf00b613947e0eecc1

SHA256
ef67cea60afb85e89cc3194eda37ccf4b1c0e4b74d3bb91e564c882107ea0a21

SHA512
b422255635681a8bf67f6ea9cddc40ddfbe6d4dcb9545dafd638ff952321198bf329b28c514c2625734dcc0c2248d2ee9f69985643b915a5a2e15a6bf51ff5c7

Download Submit
memory/2108-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2108-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2108-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download