761e037ee186880d5f7d1f112b839818056f160a9ba60c7fb8d23d926ac0621f

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22-08-2023 10:12

230822-l8yajsdb6v 10

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07-08-2023 18:52

07-08-2023 15:21

06-08-2023 21:06

06-08-2023 17:17

30-07-2023 17:41

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
06-08-2023 21:06

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General

Target

RANSOMWARE-WANNACRY-2.0-master/README.md
Size

70B
MD5

39148bc21924851d9082b687dc69e2dc
SHA1

5d1e5490476227aa8877b87aad184031e19dc33a
SHA256

76a94c98df32a1d37cc7f1e2b86bdc524eda3fedcdb35e57de0dd56bd976142f
SHA512

2415bb9de017c086abf8315e4288a04d5eb6048af2637e75843778f24de6834154b68365794b6cbc09ef5da0fe96d5bfce20227bf3656d23b7f148fb60988041

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\md_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2308 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2308 AcroRd32.exe
2308 AcroRd32.exe

pid	process
2308	AcroRd32.exe

pid	process
2308	AcroRd32.exe
2308	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2508 wrote to memory of 1424	2508	cmd.exe	rundll32.exe
PID 2508 wrote to memory of 1424	2508	cmd.exe	rundll32.exe
PID 2508 wrote to memory of 1424	2508	cmd.exe	rundll32.exe
PID 1424 wrote to memory of 2308	1424	rundll32.exe	AcroRd32.exe
PID 1424 wrote to memory of 2308	1424	rundll32.exe	AcroRd32.exe
PID 1424 wrote to memory of 2308	1424	rundll32.exe	AcroRd32.exe
PID 1424 wrote to memory of 2308	1424	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RANSOMWARE-WANNACRY-2.0-master\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2508

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RANSOMWARE-WANNACRY-2.0-master\README.md
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1424

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\RANSOMWARE-WANNACRY-2.0-master\README.md"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2308

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

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
2690853c98d274026b3ec2aa2024855a

SHA1
b49d66ead53d4e4a95dabb446969053d9fbee242

SHA256
ae8d504ce210479809760b91ae46f92f7b1eed6951db01a11b1212add187841c

SHA512
101298cf5461f507f7903466fad9ebf0f664e9049f74184106d33b7eb5d16ded2de8049107882a23e9039dc5466c00a793a2849c47d97343e3fcba1e9dbb8600

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