wannacry | 1a3a791e79fd658b5e630200046217427ca80ab561cf2f92b599897ca2e0dff9

General

Target

2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Size

2.2MB
MD5

ec114588ac70fd5c1fca25731f494b4e
SHA1

040796d8ed354de04175ca01380c45e9c3acd642
SHA256

1a3a791e79fd658b5e630200046217427ca80ab561cf2f92b599897ca2e0dff9
SHA512

e04456bc3e5b303ca9782037bfa6b5da00596bb909a236d12663579048271efbfcb0a1770db3f3ef574cb2e028aae629b87576eebaa3c408f40b3f9013f78584
SSDEEP

49152:QnxQqMSPbcBVQej/1INRx+TSqTdX1HkQo6:Q6qPoBhz1aRxcSUDk36

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry

Executes dropped EXE 1 IoCs

pid	Process
2012	tasksche.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3372	2012	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3572	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3572	vlc.exe

Suspicious use of FindShellTrayWindow 14 IoCs

pid	Process
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe

Suspicious use of SendNotifyMessage 13 IoCs

pid	Process
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe
3572	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3572	vlc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2012	2252	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe	82
PID 2252 wrote to memory of 2012	2252	2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 8
    3⤵
    - Program crash
    PID:3372

C:\Users\Admin\AppData\Local\Temp\2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-15_ec114588ac70fd5c1fca25731f494b4e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2012 -ip 2012
1⤵
PID:3836

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\SkipConnect.DVR-MS"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:3572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
2.0MB

MD5
8a1112fbed4f3a09991afead122a2d7f

SHA1
16c013f4e5e855607d2a93e018d6d3efd89e195f

SHA256
dc9d6f2222c1d8e1b0f7d2305f1b1cd735da9f0cd5a1bf055b31733f30b8693b

SHA512
e0a6489305d58ab81f33bbe86d594e56c77eeae340c7a02fab251bd61c7a93b1a7c022a496dc035eadfd418e7d6668e1406de1716059952d8da302af4777fe64

Download Submit
memory/3572-13-0x00007FF6C97B0000-0x00007FF6C98A8000-memory.dmp

Filesize
992KB

Download
memory/3572-14-0x00007FF9652F0000-0x00007FF965324000-memory.dmp

Filesize
208KB

Download
memory/3572-22-0x00007FF965D40000-0x00007FF965D51000-memory.dmp

Filesize
68KB

Download
memory/3572-23-0x00007FF9534F0000-0x00007FF9536FB000-memory.dmp

Filesize
2.0MB

Download
memory/3572-21-0x00007FF965F50000-0x00007FF965F6D000-memory.dmp

Filesize
116KB

Download
memory/3572-20-0x00007FF966000000-0x00007FF966011000-memory.dmp

Filesize
68KB

Download
memory/3572-19-0x00007FF9675C0000-0x00007FF9675D7000-memory.dmp

Filesize
92KB

Download
memory/3572-18-0x00007FF968D40000-0x00007FF968D51000-memory.dmp

Filesize
68KB

Download
memory/3572-17-0x00007FF968F30000-0x00007FF968F47000-memory.dmp

Filesize
92KB

Download
memory/3572-29-0x00007FF9650C0000-0x00007FF9650D1000-memory.dmp

Filesize
68KB

Download
memory/3572-33-0x00007FF964FB0000-0x00007FF964FC8000-memory.dmp

Filesize
96KB

Download
memory/3572-35-0x00007FF95B750000-0x00007FF95B7B7000-memory.dmp

Filesize
412KB

Download
memory/3572-40-0x0000028547560000-0x000002854765F000-memory.dmp

Filesize
1020KB

Download
memory/3572-39-0x00007FF952000000-0x00007FF952012000-memory.dmp

Filesize
72KB

Download
memory/3572-38-0x00007FF95A370000-0x00007FF95A3C7000-memory.dmp

Filesize
348KB

Download
memory/3572-37-0x00007FF95A4F0000-0x00007FF95A501000-memory.dmp

Filesize
68KB

Download
memory/3572-36-0x00007FF95A3D0000-0x00007FF95A44C000-memory.dmp

Filesize
496KB

Download
memory/3572-34-0x00007FF95D0F0000-0x00007FF95D120000-memory.dmp

Filesize
192KB

Download
memory/3572-32-0x00007FF965060000-0x00007FF965071000-memory.dmp

Filesize
68KB

Download
memory/3572-31-0x00007FF965080000-0x00007FF96509B000-memory.dmp

Filesize
108KB

Download
memory/3572-30-0x00007FF9650A0000-0x00007FF9650B1000-memory.dmp

Filesize
68KB

Download
memory/3572-28-0x00007FF965290000-0x00007FF9652A1000-memory.dmp

Filesize
68KB

Download
memory/3572-27-0x00007FF965B60000-0x00007FF965B78000-memory.dmp

Filesize
96KB

Download
memory/3572-26-0x00007FF9650E0000-0x00007FF965101000-memory.dmp

Filesize
132KB

Download
memory/3572-16-0x00007FF96E070000-0x00007FF96E088000-memory.dmp

Filesize
96KB

Download
memory/3572-24-0x00007FF965140000-0x00007FF965181000-memory.dmp

Filesize
260KB

Download
memory/3572-15-0x00007FF9540F0000-0x00007FF9543A6000-memory.dmp

Filesize
2.7MB

Download
memory/3572-25-0x00007FF952440000-0x00007FF9534F0000-memory.dmp

Filesize
16.7MB

Download
memory/3572-48-0x00007FF6C97B0000-0x00007FF6C98A8000-memory.dmp

Filesize
992KB

Download
memory/3572-50-0x00007FF9540F0000-0x00007FF9543A6000-memory.dmp

Filesize
2.7MB

Download
memory/3572-49-0x00007FF9652F0000-0x00007FF965324000-memory.dmp

Filesize
208KB

Download
memory/3572-51-0x00007FF952440000-0x00007FF9534F0000-memory.dmp

Filesize
16.7MB

Download

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