dc91c130b928995a80f3668bfa1155b134d783598adef85deb485ae4e8543182

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 20:27

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General

Target

2024-03-13_2d96a189f951f303e61f7a04f91e0b5b_cryptolocker.exe
Size

77KB
MD5

2d96a189f951f303e61f7a04f91e0b5b
SHA1

f4797e8a077bac03f228d0e083bb75b44b846900
SHA256

dc91c130b928995a80f3668bfa1155b134d783598adef85deb485ae4e8543182
SHA512

941cdde047d8663d1ee55d76c71e93bdc063052b6dc4b901a8f9a089d4849c03f6ce07873a6548424c3e4bb5f88f0249c9ca41300061b0cc2bbdcde00c9a319f
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KEWTgI:ZVxkGOtEvwDpjcax0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012253-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2968	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2276	2024-03-13_2d96a189f951f303e61f7a04f91e0b5b_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 2276 wrote to memory of 2968	2276	2024-03-13_2d96a189f951f303e61f7a04f91e0b5b_cryptolocker.exe	28
PID 2276 wrote to memory of 2968	2276	2024-03-13_2d96a189f951f303e61f7a04f91e0b5b_cryptolocker.exe	28
PID 2276 wrote to memory of 2968	2276	2024-03-13_2d96a189f951f303e61f7a04f91e0b5b_cryptolocker.exe	28
PID 2276 wrote to memory of 2968	2276	2024-03-13_2d96a189f951f303e61f7a04f91e0b5b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-13_2d96a189f951f303e61f7a04f91e0b5b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_2d96a189f951f303e61f7a04f91e0b5b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2968

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
77KB

MD5
23395618945b63a854f60378fb94d702

SHA1
f13d3bcdb8d59b93f737abd680d71751ddca1af3

SHA256
c74cbf461179cb98b3e7ddd87e0b06a343a02125f893dceec203a759e7a9f67e

SHA512
ce6cad5ff66ec99c35dbd23a7d3c3a04bf010a9391b04e9b5d5ebf1b35d99cc6693cbd12593a60fd43323429a7e3a64b37e6909158253f42ee7e3f24fea14d28

Download Submit
memory/2276-1-0x00000000003B0000-0x00000000003B3000-memory.dmp

Filesize
12KB

Download
memory/2276-0-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2276-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2276-9-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2968-16-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2968-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download