8e604686c7c21a47cf10877e957baac7df5cf68133fe08ee7d469bec9998ed08

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/05/2024, 05:28

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General

Target

2024-05-27_44ec6464cc133beebf701842195de9c6_cryptolocker.exe
Size

49KB
MD5

44ec6464cc133beebf701842195de9c6
SHA1

5472cb1a4a7218443fc925c9f8dd9e16bb91d6d0
SHA256

8e604686c7c21a47cf10877e957baac7df5cf68133fe08ee7d469bec9998ed08
SHA512

3087d7159f38801368523da45dd2c316be8b70a5edf051c21c5cea4bb3286bdf49ae020a9c357b0cb54ee3e572b8036009b7196359458564d661360af6a1458d
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0ndP:vj+jsMQMOtEvwDpj5HczerLO04BSP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012334-21.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012334-21.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2660	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	2024-05-27_44ec6464cc133beebf701842195de9c6_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 1688 wrote to memory of 2660	1688	2024-05-27_44ec6464cc133beebf701842195de9c6_cryptolocker.exe	28
PID 1688 wrote to memory of 2660	1688	2024-05-27_44ec6464cc133beebf701842195de9c6_cryptolocker.exe	28
PID 1688 wrote to memory of 2660	1688	2024-05-27_44ec6464cc133beebf701842195de9c6_cryptolocker.exe	28
PID 1688 wrote to memory of 2660	1688	2024-05-27_44ec6464cc133beebf701842195de9c6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-27_44ec6464cc133beebf701842195de9c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_44ec6464cc133beebf701842195de9c6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2660

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
49KB

MD5
bf4af67d213380198980e1833d4af0f2

SHA1
58ff4a47e7cfcd526599f7072da3e90ec3f47c74

SHA256
dc688d19fb96ba455be90a90ff503f3834c3a6619142771962ac7d6cb82ee110

SHA512
c7250bb4f3bf4337f50cb430619571f0abe88f9b951552d0cd8e14dc0246bed71b4b34bedeef0b621b416b776f740cb69849ef21182ee7effabcda0eb7266180

Download Submit
memory/1688-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1688-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1688-4-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2660-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2660-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download