c7a4f0b0bb53bd1536efb7dae22a9c84e256570bab96990d07f78f8f7a3dd8e3

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
23/04/2024, 02:34

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General

Target

2024-04-23_8bccfa3261b9cbe5068ab36e23d5b79b_cryptolocker.exe
Size

41KB
MD5

8bccfa3261b9cbe5068ab36e23d5b79b
SHA1

3495c6d9134e14871844016435705aeacf206e9c
SHA256

c7a4f0b0bb53bd1536efb7dae22a9c84e256570bab96990d07f78f8f7a3dd8e3
SHA512

6adca9b7b09795d13fe2909d598c543bf1d7087d3950a835b9c0a6aa288cb3b63e417da29fd4713b4a0c3eee0c9a076e49f0c499a4fa51ce79cc8b5219b53c59
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8lB4dCOBy/cTfS:ZzFbxmLPWQMOtEvwDpj38lD/cTfS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012248-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2868	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1260	2024-04-23_8bccfa3261b9cbe5068ab36e23d5b79b_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 1260 wrote to memory of 2868	1260	2024-04-23_8bccfa3261b9cbe5068ab36e23d5b79b_cryptolocker.exe	28
PID 1260 wrote to memory of 2868	1260	2024-04-23_8bccfa3261b9cbe5068ab36e23d5b79b_cryptolocker.exe	28
PID 1260 wrote to memory of 2868	1260	2024-04-23_8bccfa3261b9cbe5068ab36e23d5b79b_cryptolocker.exe	28
PID 1260 wrote to memory of 2868	1260	2024-04-23_8bccfa3261b9cbe5068ab36e23d5b79b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-23_8bccfa3261b9cbe5068ab36e23d5b79b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_8bccfa3261b9cbe5068ab36e23d5b79b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2868

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\misid.exe

Filesize
41KB

MD5
c3b726e0ca9b5c8df459094c2bbc6549

SHA1
ed2f9787520c039d12e82bbdc7d8b50cb2e1074a

SHA256
1b7a822f69f4af48ce67863baef1fd5faa76a92a06a622c6fe5ba197754b8410

SHA512
ae93b2f57bf940f923f5a7c60780c07e74c05cb1993f952a316860f87942b57dc5bd6bfec51a2c456450ad3ee8a6318dc26cc47d5cbd926ea07dc78a85c28fc2

Download Submit
memory/1260-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1260-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1260-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2868-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2868-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2868-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download