11dd6a6e4e0acaa22d323201e7585bdbc85dd6119a02492d7b818fb94da3f135

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/02/2024, 11:27

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-02-18_147c7006f4756e119443231aef6c7092_cryptolocker.exe
Size

67KB
MD5

147c7006f4756e119443231aef6c7092
SHA1

5eb2ab49bf3b9dfdb2ead8469c5b2c15fa872a2f
SHA256

11dd6a6e4e0acaa22d323201e7585bdbc85dd6119a02492d7b818fb94da3f135
SHA512

43141bde58f8aec3181727eb3e2612f5fdc4870762d1e837f8628180b26aacde59764e34ed90178839895f2b57c4d005241977292dd740efebba5a76d53657fd
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUp:DW60sllyWOtEvwDpjwF853

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/3040-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a0000000133a9-11.dat	CryptoLocker_rule2
behavioral1/memory/3040-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2944-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/3040-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a0000000133a9-11.dat	CryptoLocker_set1
behavioral1/memory/3040-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2944-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2944	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3040	2024-02-18_147c7006f4756e119443231aef6c7092_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 3040 wrote to memory of 2944	3040	2024-02-18_147c7006f4756e119443231aef6c7092_cryptolocker.exe	28
PID 3040 wrote to memory of 2944	3040	2024-02-18_147c7006f4756e119443231aef6c7092_cryptolocker.exe	28
PID 3040 wrote to memory of 2944	3040	2024-02-18_147c7006f4756e119443231aef6c7092_cryptolocker.exe	28
PID 3040 wrote to memory of 2944	3040	2024-02-18_147c7006f4756e119443231aef6c7092_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-18_147c7006f4756e119443231aef6c7092_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_147c7006f4756e119443231aef6c7092_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2944

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
67KB

MD5
10eb8bda6a1351be17eeca5859846cec

SHA1
7bcb800c089b42efb937e5cf5433748a4c5a9e8e

SHA256
02a0a8374f3a4b1db67c7edbb713dccf0ff3bf8d35ce16b9533715ef6f6df73b

SHA512
3d8c33663efabb75c6091812b9a6e655d04828bb67e7e12997d938474acb1ce3e575f4615f9c6fb9fe6dad254a59640d808e1acfbf8aa00b04931d5ba9f5de85

Download Submit
memory/2944-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2944-18-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2944-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3040-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3040-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3040-2-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/3040-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3040-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download