5a46a60eed59e89f7239e6c2c0429b4076d0d2509f34676798385a85ebbe0199

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 17:42

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General

Target

2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_cryptolocker.exe
Size

126KB
MD5

5c5b67c45ad05ba269c51984d343c5e6
SHA1

8e3c557118dfc7a5db9f98493709a201bba39f9c
SHA256

5a46a60eed59e89f7239e6c2c0429b4076d0d2509f34676798385a85ebbe0199
SHA512

a82e9af24a3e5eaacd4d81ae1d4e88430dd09486d6d649e30154da3d5e601ae01a1c9580515006eee4bb9151aab6e5292e80f18d3a751bd4d5cee99eef5b53f3
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//jC:vCjsIOtEvwDpj5H9YvQd2Rs

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012254-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012254-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1700	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2088	2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_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 2088 wrote to memory of 1700	2088	2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_cryptolocker.exe	28
PID 2088 wrote to memory of 1700	2088	2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_cryptolocker.exe	28
PID 2088 wrote to memory of 1700	2088	2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_cryptolocker.exe	28
PID 2088 wrote to memory of 1700	2088	2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1700

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
126KB

MD5
87668972303c5b8d1494ec2b63696b0b

SHA1
e28b384958bbf04b8489165a5dc8127c8fce1275

SHA256
05dae9005e7373b6fab7077d7ec505bbbcf9c55ff7641b046e91f7c9be48d197

SHA512
2d9066c3f3d086bfa6090e06942d39e8372a0d451c5992bb2ce255ad1825b753c0c5d11eae6c26035b79bca2765083ec9849bb4c775cc925e485fc4ffaab06b6

Download Submit
memory/1700-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1700-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2088-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2088-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2088-7-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download