4848e657e78469ab525efdcf5222236d7bb6179434cfb4d3f32c7ae2828dfa56

Analysis

max time kernel
139s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 07:42

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General

Target

2024-01-28_de67c48859c8e516f7cabe35fa3c86af_cryptolocker.exe
Size

34KB
MD5

de67c48859c8e516f7cabe35fa3c86af
SHA1

6df097950792c4f9ddd1ea1e3cd9907cfd9ad994
SHA256

4848e657e78469ab525efdcf5222236d7bb6179434cfb4d3f32c7ae2828dfa56
SHA512

b709490508c477fc97421a6a5fd9b9f5d93718cb7584f77289bf65cd8ad7bdae7cb44a7ab1c660fd0efac062caa04a25d200a466aefd1f39b93a7522b85d8cfb
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJ7C:ZzFbxmLPWQMOtEvwDpjLeJ7C

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012238-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2000	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1720	2024-01-28_de67c48859c8e516f7cabe35fa3c86af_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 1720 wrote to memory of 2000	1720	2024-01-28_de67c48859c8e516f7cabe35fa3c86af_cryptolocker.exe	28
PID 1720 wrote to memory of 2000	1720	2024-01-28_de67c48859c8e516f7cabe35fa3c86af_cryptolocker.exe	28
PID 1720 wrote to memory of 2000	1720	2024-01-28_de67c48859c8e516f7cabe35fa3c86af_cryptolocker.exe	28
PID 1720 wrote to memory of 2000	1720	2024-01-28_de67c48859c8e516f7cabe35fa3c86af_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_de67c48859c8e516f7cabe35fa3c86af_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_de67c48859c8e516f7cabe35fa3c86af_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2000

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
35KB

MD5
287eb6f741a653554e6c20aa4e4ed0a9

SHA1
1acf4f7abf611a4d6934fea0142fe1e6da2d82a7

SHA256
584861f005a7b7bca32de4d303a8000b46d9498729fc5990ba63f3c1c31fa0d2

SHA512
8ae639ac4987c66b28378dfcc60811fb7ec41e491a83e48bcf64fbd5960ec1f90b1aa0d1d4ac18d858f3fda3522154880a656b92d3d28c3eb2c26ba4302b84b8

Download Submit
memory/1720-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/1720-1-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1720-3-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1720-2-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2000-16-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2000-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download