wannacry | a825134682bf664ec94c05d713f163e8b0f15dde1153ee0bde014dd85e81bf83

General

Target

3688bca6ac228cb3e94eea3d1072f3c8.exe
Size

260KB
MD5

3688bca6ac228cb3e94eea3d1072f3c8
SHA1

90061947bb5dae294351a3e7c2fd44d4a8266493
SHA256

a825134682bf664ec94c05d713f163e8b0f15dde1153ee0bde014dd85e81bf83
SHA512

7c26c8d0bade86e1229fbac4ebcd8419f23e68c8a552e3e1c314a620cae654bd502c15f81c6ba4d50aa9a6d08b9bf61fca2ee5518cfb5f91dcada31c77c14b5d
SSDEEP

3072:+mrhd5U1eigWcR+uiUg6p4FLlG4tlL8z+mmCeHFZjoHEo30GCH:+Ed5+IZiZhLlG4AimmC7

Score

10^/10

wannacry aspackv2 discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\UVpxrh.exe	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

UVpxrh.exe

pid process

2064 UVpxrh.exe
Loads dropped DLL 2 IoCs

Processes:

3688bca6ac228cb3e94eea3d1072f3c8.exe

pid process

824 3688bca6ac228cb3e94eea3d1072f3c8.exe
824 3688bca6ac228cb3e94eea3d1072f3c8.exe

pid	process
2064	UVpxrh.exe

pid	process
824	3688bca6ac228cb3e94eea3d1072f3c8.exe
824	3688bca6ac228cb3e94eea3d1072f3c8.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

3688bca6ac228cb3e94eea3d1072f3c8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	3688bca6ac228cb3e94eea3d1072f3c8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]"	3688bca6ac228cb3e94eea3d1072f3c8.exe

Drops file in Program Files directory 64 IoCs

Processes:

UVpxrh.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	UVpxrh.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	UVpxrh.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	UVpxrh.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	UVpxrh.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	UVpxrh.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	UVpxrh.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

3688bca6ac228cb3e94eea3d1072f3c8.exeUVpxrh.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3688bca6ac228cb3e94eea3d1072f3c8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UVpxrh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3688bca6ac228cb3e94eea3d1072f3c8.exe

pid process

824 3688bca6ac228cb3e94eea3d1072f3c8.exe
824 3688bca6ac228cb3e94eea3d1072f3c8.exe

pid	process
824	3688bca6ac228cb3e94eea3d1072f3c8.exe
824	3688bca6ac228cb3e94eea3d1072f3c8.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3688bca6ac228cb3e94eea3d1072f3c8.exeUVpxrh.exe

description	pid	process	target process
PID 824 wrote to memory of 2064	824	3688bca6ac228cb3e94eea3d1072f3c8.exe	UVpxrh.exe
PID 824 wrote to memory of 2064	824	3688bca6ac228cb3e94eea3d1072f3c8.exe	UVpxrh.exe
PID 824 wrote to memory of 2064	824	3688bca6ac228cb3e94eea3d1072f3c8.exe	UVpxrh.exe
PID 824 wrote to memory of 2064	824	3688bca6ac228cb3e94eea3d1072f3c8.exe	UVpxrh.exe
PID 2064 wrote to memory of 2716	2064	UVpxrh.exe	cmd.exe
PID 2064 wrote to memory of 2716	2064	UVpxrh.exe	cmd.exe
PID 2064 wrote to memory of 2716	2064	UVpxrh.exe	cmd.exe
PID 2064 wrote to memory of 2716	2064	UVpxrh.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\3688bca6ac228cb3e94eea3d1072f3c8.exe
"C:\Users\Admin\AppData\Local\Temp\3688bca6ac228cb3e94eea3d1072f3c8.exe"
1⤵
- Loads dropped DLL
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:824

C:\Users\Admin\AppData\Local\Temp\UVpxrh.exe
C:\Users\Admin\AppData\Local\Temp\UVpxrh.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\05a90822.bat" "
3⤵
- System Location Discovery: System Language Discovery
PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LPQ313RR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\05a90822.bat

Filesize
187B

MD5
53da34e2693a86f47159db6f8c120aed

SHA1
8bbb192ca2c225f6b7f124d7fc3869671d0addf5

SHA256
78a11d528a9bcfb3e97084b6b37a7145462b01ba17fe2e97fae90f9c5658641c

SHA512
33324badaa46284882dceb9cc4cb4af15f281d9485a17cf987da695b8f0c6f3682140fc618505d45710d68a72c09744d537f347f3f6874d388e1642985570b90

Download Submit
C:\Users\Admin\AppData\Local\Temp\3A23298A.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
\Users\Admin\AppData\Local\Temp\UVpxrh.exe

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/824-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/824-10-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/824-8-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/824-45-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2064-11-0x0000000000A20000-0x0000000000A29000-memory.dmp

Filesize
36KB

Download
memory/2064-43-0x0000000000A20000-0x0000000000A29000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads