wannacry | a7704c41e002390f36619d21cdecbc3b7defa9b89c2107270a04cf5a817ad6f1

Resubmissions

17-05-2024 14:03

240517-rc1zfsbc57 10

17-05-2024 14:03

240517-rcqtgsba71 10

17-05-2024 08:57

240517-kwt7paag82 10

Analysis

max time kernel
16s
max time network
18s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
17-05-2024 14:03

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General

Target

2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe
Size

3.6MB
MD5

55b72bea66ca2fb439d73b0be8a5e053
SHA1

df444deae68cc250bf60df69e13352af014abe22
SHA256

a7704c41e002390f36619d21cdecbc3b7defa9b89c2107270a04cf5a817ad6f1
SHA512

cbf5632f2af69fe95fe67ba3e632863bc470f8d5b820a7972054e0bd89cf6fc250f1a6d93e805cc40c229ab6ffda027f46d9fd6bace975cb1c0e0a12a1ab9722
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SA0O26:Z8qPoBhz1aRxcSUDk36SA0O26

Score

10^/10

wannacry ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

2852 tasksche.exe

pid	process
2852	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

Processes:

2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe

Modifies registry class 1 IoCs

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings rundll32.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

1352 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1352 vlc.exe
Suspicious use of FindShellTrayWindow 10 IoCs

Processes:

vlc.exe

pid process

1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
Suspicious use of SendNotifyMessage 9 IoCs

Processes:

vlc.exe

pid process

1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
1352 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1352 vlc.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe

pid	process
1352	vlc.exe

pid	process
1352	vlc.exe

pid	process
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe

pid	process
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe
1352	vlc.exe

pid	process
1352	vlc.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2340

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2852

C:\Users\Admin\AppData\Local\Temp\2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-05-17_55b72bea66ca2fb439d73b0be8a5e053_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1680

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\FormatMount.shtml
1⤵
- Modifies registry class
PID:1660

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\StartEdit.mp2v"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1352

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:\Windows\tasksche.exe
Filesize
3.4MB

MD5
3a5c335d035981a74fe2898dd2a7d333

SHA1
67fef51914e994fd8c6a53700d80e183b3c2f245

SHA256
ff1a311baafb2aa211d4417ed30ed86576da5c45cdf09d5afce2043b6d680e53

SHA512
69c3cfec2ed70b203446f59cddd22f1fddc340d87353feeb17f08cd938e4a645cbf5516563bd382899fecafbb97fa9af504960c7657ce86b5a8f28b4c2b2b211

Download Submit
memory/1352-17-0x000007FEF6BC0000-0x000007FEF6BF4000-memory.dmp

Filesize
208KB

Download
memory/1352-16-0x000000013FC80000-0x000000013FD78000-memory.dmp

Filesize
992KB

Download
memory/1352-18-0x000007FEF59C0000-0x000007FEF5C74000-memory.dmp

Filesize
2.7MB

Download
memory/1352-19-0x000007FEF4490000-0x000007FEF553B000-memory.dmp

Filesize
16.7MB

Download