b9c738ddf3acfdfae6d270c112ad679d7741846b77021c75ae473fa0d4c65330

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
02/05/2024, 14:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-02_2624dec502be233d40d064b8d9ca1211_cryptolocker.exe
Size

40KB
MD5

2624dec502be233d40d064b8d9ca1211
SHA1

2c328aef8b2b205983fca93da3f4caa03929ceae
SHA256

b9c738ddf3acfdfae6d270c112ad679d7741846b77021c75ae473fa0d4c65330
SHA512

8298c11f71b1d3574f0f20279401b0916d713c3164669b488a64e4cbecbffd1ef7004ba4786b80404f409aa865bb9868b325d442637dc5024ad24adeba200d7f
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuD+c:ZzFbxmLPWQMOtEvwDpjLeJAsKcp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001430e-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2108	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2012	2024-05-02_2624dec502be233d40d064b8d9ca1211_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 2012 wrote to memory of 2108	2012	2024-05-02_2624dec502be233d40d064b8d9ca1211_cryptolocker.exe	28
PID 2012 wrote to memory of 2108	2012	2024-05-02_2624dec502be233d40d064b8d9ca1211_cryptolocker.exe	28
PID 2012 wrote to memory of 2108	2012	2024-05-02_2624dec502be233d40d064b8d9ca1211_cryptolocker.exe	28
PID 2012 wrote to memory of 2108	2012	2024-05-02_2624dec502be233d40d064b8d9ca1211_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-02_2624dec502be233d40d064b8d9ca1211_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-02_2624dec502be233d40d064b8d9ca1211_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2108

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

Loading Replay Monitor...

Downloads

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

Filesize
40KB

MD5
8811ca24dc525fd25710850a033e75a9

SHA1
04bb4f0e1f6c5e3ef88ad032414bf4754b34e335

SHA256
108d8bb541eb3a6cdedaa7a826d753b612bb2818e315daeb0bc217419617c6d4

SHA512
72e4c95fca5855b5dbf0eb909cecc80e2496b1adda6513ac5181a0ae1be0a3dbb62bf036ba46888ddaa361cc86efc46ec2f2eb06a4b0f8456914a7bd2f406f7c

Download Submit
memory/2012-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2012-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2012-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2012-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2108-16-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download