761e037ee186880d5f7d1f112b839818056f160a9ba60c7fb8d23d926ac0621f

Analysis

max time kernel
838s
max time network
839s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14-12-2023 16:05

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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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\md_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\md_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.md	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2676	AcroRd32.exe
2676	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1740	1764	cmd.exe	29
PID 1764 wrote to memory of 1740	1764	cmd.exe	29
PID 1764 wrote to memory of 1740	1764	cmd.exe	29
PID 1740 wrote to memory of 2676	1740	rundll32.exe	30
PID 1740 wrote to memory of 2676	1740	rundll32.exe	30
PID 1740 wrote to memory of 2676	1740	rundll32.exe	30
PID 1740 wrote to memory of 2676	1740	rundll32.exe	30

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:1764
- 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:1740
- - 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:2676

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

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Downloads

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

Filesize
3KB

MD5
b81cf56da041e00285cc111a003bfb12

SHA1
23ce3f9c281e2168bc20ed32837acbccd96c8a04

SHA256
8a807cd8656562c7ccd5a7390664313bf74e1483b4bd796dc7c7f8153e8c7940

SHA512
1a9b054ca05beb9c9d0228eed9af0a9ce9175d454d0c2969a372f12903ace91fd486f0046717df5e5853e1980c760841b4d9c04d05a230a6419484a16d9fbd38

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