334999a85b24e8628b37ebceb26b8bc0d8774bede94f7c578319c6a0afc43b8d

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 00:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-14_9ca7b9e41c41a91b53f732f46f59b1f7_cryptolocker.exe
Size

49KB
MD5

9ca7b9e41c41a91b53f732f46f59b1f7
SHA1

b597ca7ac7bbcbb0b2f8f69a879dbd06a65cf3a5
SHA256

334999a85b24e8628b37ebceb26b8bc0d8774bede94f7c578319c6a0afc43b8d
SHA512

db2a2c39a424d9b2d023255dda487a9fe24ea88734d3310e7e693d1a58372ea2be4f3fbd4b725d596becdf8a0ba00aec273fe6c720eb220f6c99ea03a55a59a4
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakNm:V6a+pOtEvwDpjl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000139b6-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000139b6-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2420	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1920	2024-02-14_9ca7b9e41c41a91b53f732f46f59b1f7_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 1920 wrote to memory of 2420	1920	2024-02-14_9ca7b9e41c41a91b53f732f46f59b1f7_cryptolocker.exe	28
PID 1920 wrote to memory of 2420	1920	2024-02-14_9ca7b9e41c41a91b53f732f46f59b1f7_cryptolocker.exe	28
PID 1920 wrote to memory of 2420	1920	2024-02-14_9ca7b9e41c41a91b53f732f46f59b1f7_cryptolocker.exe	28
PID 1920 wrote to memory of 2420	1920	2024-02-14_9ca7b9e41c41a91b53f732f46f59b1f7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_9ca7b9e41c41a91b53f732f46f59b1f7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_9ca7b9e41c41a91b53f732f46f59b1f7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2420

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
49KB

MD5
feacda228f8e8d95b9df8725dd87f058

SHA1
4720ec63e245493ccf9c3d2846ff3176572ce509

SHA256
d9136b7864a73b0e764a949f88491c80c0c88ddc0fcc10f265e8f078437239ea

SHA512
d8fb79764eaa60e7536c6ed62d17d04ee0fd8dfd6905117d74eb6e514a80fd80d674e90ebfe6551f3877238e625f0aec6c22cb8898820137a80bb3b6616f1629

Download Submit
memory/1920-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1920-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/1920-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2420-15-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2420-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download