wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Analysis

max time kernel
146s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 22:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

WannaCry.exe
Size

224KB
MD5

5c7fb0927db37372da25f270708103a2
SHA1

120ed9279d85cbfa56e5b7779ffa7162074f7a29
SHA256

be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
SHA512

a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
SSDEEP

3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ

Score

10^/10

wannacry defense_evasion discovery execution impact persistence ransomware spyware stealer worm

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt

Family

wannacry

Ransom Note

Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �

Wallets

15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDB4E6.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDB4ED.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
432	!WannaDecryptor!.exe
1516	!WannaDecryptor!.exe
2936	!WannaDecryptor!.exe
4060	!WannaDecryptor!.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WannaCry.exe\" /r"	WannaCry.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp"	!WannaDecryptor!.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 14 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WannaCry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 4 IoCs

evasion

pid	Process
4656	taskkill.exe
664	taskkill.exe
2808	taskkill.exe
3732	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	664	taskkill.exe
Token: SeDebugPrivilege	2808	taskkill.exe
Token: SeDebugPrivilege	3732	taskkill.exe
Token: SeDebugPrivilege	4656	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4532	WMIC.exe
Token: SeSecurityPrivilege	4532	WMIC.exe
Token: SeTakeOwnershipPrivilege	4532	WMIC.exe
Token: SeLoadDriverPrivilege	4532	WMIC.exe
Token: SeSystemProfilePrivilege	4532	WMIC.exe
Token: SeSystemtimePrivilege	4532	WMIC.exe
Token: SeProfSingleProcessPrivilege	4532	WMIC.exe
Token: SeIncBasePriorityPrivilege	4532	WMIC.exe
Token: SeCreatePagefilePrivilege	4532	WMIC.exe
Token: SeBackupPrivilege	4532	WMIC.exe
Token: SeRestorePrivilege	4532	WMIC.exe
Token: SeShutdownPrivilege	4532	WMIC.exe
Token: SeDebugPrivilege	4532	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4532	WMIC.exe
Token: SeRemoteShutdownPrivilege	4532	WMIC.exe
Token: SeUndockPrivilege	4532	WMIC.exe
Token: SeManageVolumePrivilege	4532	WMIC.exe
Token: 33	4532	WMIC.exe
Token: 34	4532	WMIC.exe
Token: 35	4532	WMIC.exe
Token: 36	4532	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4532	WMIC.exe
Token: SeSecurityPrivilege	4532	WMIC.exe
Token: SeTakeOwnershipPrivilege	4532	WMIC.exe
Token: SeLoadDriverPrivilege	4532	WMIC.exe
Token: SeSystemProfilePrivilege	4532	WMIC.exe
Token: SeSystemtimePrivilege	4532	WMIC.exe
Token: SeProfSingleProcessPrivilege	4532	WMIC.exe
Token: SeIncBasePriorityPrivilege	4532	WMIC.exe
Token: SeCreatePagefilePrivilege	4532	WMIC.exe
Token: SeBackupPrivilege	4532	WMIC.exe
Token: SeRestorePrivilege	4532	WMIC.exe
Token: SeShutdownPrivilege	4532	WMIC.exe
Token: SeDebugPrivilege	4532	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4532	WMIC.exe
Token: SeRemoteShutdownPrivilege	4532	WMIC.exe
Token: SeUndockPrivilege	4532	WMIC.exe
Token: SeManageVolumePrivilege	4532	WMIC.exe
Token: 33	4532	WMIC.exe
Token: 34	4532	WMIC.exe
Token: 35	4532	WMIC.exe
Token: 36	4532	WMIC.exe
Token: SeBackupPrivilege	4064	vssvc.exe
Token: SeRestorePrivilege	4064	vssvc.exe
Token: SeAuditPrivilege	4064	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
432	!WannaDecryptor!.exe
432	!WannaDecryptor!.exe
1516	!WannaDecryptor!.exe
1516	!WannaDecryptor!.exe
2936	!WannaDecryptor!.exe
2936	!WannaDecryptor!.exe
4060	!WannaDecryptor!.exe
4060	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 1936	3156	WannaCry.exe	84
PID 3156 wrote to memory of 1936	3156	WannaCry.exe	84
PID 3156 wrote to memory of 1936	3156	WannaCry.exe	84
PID 1936 wrote to memory of 3684	1936	cmd.exe	86
PID 1936 wrote to memory of 3684	1936	cmd.exe	86
PID 1936 wrote to memory of 3684	1936	cmd.exe	86
PID 3156 wrote to memory of 432	3156	WannaCry.exe	90
PID 3156 wrote to memory of 432	3156	WannaCry.exe	90
PID 3156 wrote to memory of 432	3156	WannaCry.exe	90
PID 3156 wrote to memory of 2808	3156	WannaCry.exe	91
PID 3156 wrote to memory of 2808	3156	WannaCry.exe	91
PID 3156 wrote to memory of 2808	3156	WannaCry.exe	91
PID 3156 wrote to memory of 664	3156	WannaCry.exe	92
PID 3156 wrote to memory of 664	3156	WannaCry.exe	92
PID 3156 wrote to memory of 664	3156	WannaCry.exe	92
PID 3156 wrote to memory of 4656	3156	WannaCry.exe	93
PID 3156 wrote to memory of 4656	3156	WannaCry.exe	93
PID 3156 wrote to memory of 4656	3156	WannaCry.exe	93
PID 3156 wrote to memory of 3732	3156	WannaCry.exe	94
PID 3156 wrote to memory of 3732	3156	WannaCry.exe	94
PID 3156 wrote to memory of 3732	3156	WannaCry.exe	94
PID 3156 wrote to memory of 1516	3156	WannaCry.exe	105
PID 3156 wrote to memory of 1516	3156	WannaCry.exe	105
PID 3156 wrote to memory of 1516	3156	WannaCry.exe	105
PID 3156 wrote to memory of 1684	3156	WannaCry.exe	106
PID 3156 wrote to memory of 1684	3156	WannaCry.exe	106
PID 3156 wrote to memory of 1684	3156	WannaCry.exe	106
PID 1684 wrote to memory of 2936	1684	cmd.exe	108
PID 1684 wrote to memory of 2936	1684	cmd.exe	108
PID 1684 wrote to memory of 2936	1684	cmd.exe	108
PID 3156 wrote to memory of 4060	3156	WannaCry.exe	109
PID 3156 wrote to memory of 4060	3156	WannaCry.exe	109
PID 3156 wrote to memory of 4060	3156	WannaCry.exe	109
PID 2936 wrote to memory of 1248	2936	!WannaDecryptor!.exe	112
PID 2936 wrote to memory of 1248	2936	!WannaDecryptor!.exe	112
PID 2936 wrote to memory of 1248	2936	!WannaDecryptor!.exe	112
PID 1248 wrote to memory of 4532	1248	cmd.exe	114
PID 1248 wrote to memory of 4532	1248	cmd.exe	114
PID 1248 wrote to memory of 4532	1248	cmd.exe	114

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\WannaCry.exe
"C:\Users\Admin\AppData\Local\Temp\WannaCry.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 305011724972263.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3684
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:432
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2808
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:664
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4656
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3732
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1516
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1248
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4532
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4060

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt

Filesize
797B

MD5
afa18cf4aa2660392111763fb93a8c3d

SHA1
c219a3654a5f41ce535a09f2a188a464c3f5baf5

SHA256
227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0

SHA512
4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk

Filesize
1KB

MD5
1d032fbb16819f5106517901667b7345

SHA1
f22df67f38867f4b0be25bbce2b29436c0f5f3e9

SHA256
7164553cfe51cf2ab9fa5278d864462ded656a779af2554177a3841dd03338d7

SHA512
ba7e131a4ee8b1e76a8c2778a4f3023929d99c721d2fd98f8508cd7b981a4c2f042342531b28e327b63269f452bf3441dbb327fe386ec26674cfc0e5d302b996

Download Submit
C:\Users\Admin\AppData\Local\Temp\00000000.res

Filesize
136B

MD5
7ba2a3e60eda78e630a9e015652cc51f

SHA1
cb0f875f1ab61e66f4ff41e9b1a56f9cf650062c

SHA256
f06913c87905b9cd81a3eff4b9f5f9d55022e63637eb2551d2c993b2fb5f3699

SHA512
7d4d9210fe0373095b446a9b77f11978ee8af560fdd370980ae48962f0dc9197d447a5aa5e1dcdf1bce321b8c21a2e97c640baf4c589294088ee3195000d42b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\00000000.res

Filesize
136B

MD5
b644dcb7520ba629229f686f3767df22

SHA1
15025898497b27504ba5591eefb27e9696bc0c3c

SHA256
52722d9366925edfc7cac33b77e0fe26643752a81b162669dcecc2f09289a38f

SHA512
fb81a1efd6ddbbb171283f0e3d217c880e7dfee9d52f7ad180c15d0e975e608adc4b82706d41c287f5b28bcd4bd774e4325b5f96e9354fdcf1ea85cb19e0475c

Download Submit
C:\Users\Admin\AppData\Local\Temp\00000000.res

Filesize
136B

MD5
862d3af8a78a339ee37d6e36d6c34b06

SHA1
39833fd388c8a551679b4d91779a515cb63ce63f

SHA256
d747275028e4d2a46f8a09608420f8cdb69c57152959af13f1329428ca619a84

SHA512
1a2e7d9d055bc34a04dd76d12bb42bfee33ecb2c84e0ed296a1d322116d37e217437ec4863daa0fc0ea15a61cd0bb506cc77b8d9d78ae11ecf9cc62bafd37307

Download Submit
C:\Users\Admin\AppData\Local\Temp\305011724972263.bat

Filesize
336B

MD5
3540e056349c6972905dc9706cd49418

SHA1
492c20442d34d45a6d6790c720349b11ec591cde

SHA256
73872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc

SHA512
c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c

Download Submit
C:\Users\Admin\AppData\Local\Temp\c.vbs

Filesize
219B

MD5
5f6d40ca3c34b470113ed04d06a88ff4

SHA1
50629e7211ae43e32060686d6be17ebd492fd7aa

SHA256
0fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1

SHA512
4d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35

Download Submit
C:\Users\Admin\AppData\Local\Temp\c.wry

Filesize
628B

MD5
94d9cd2010e87dc96cf29cb228826656

SHA1
ffbbc130cbfa17c93b16250b06e148137fb85f97

SHA256
bad271ca0759018332e522ef04af938a057506e3f6f8d9b33cfc457b674416c1

SHA512
9a31b083e96807d8963bdad44dc8f3c3209332260910ebd84ccd5cdd0e5859469a6b11a4ed2de459775640009770e5a8d180680c3d87cf487777c92b14df89a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\m.wry

Filesize
42KB

MD5
980b08bac152aff3f9b0136b616affa5

SHA1
2a9c9601ea038f790cc29379c79407356a3d25a3

SHA256
402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

SHA512
100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

Download Submit
C:\Users\Admin\AppData\Local\Temp\u.wry

Filesize
236KB

MD5
cf1416074cd7791ab80a18f9e7e219d9

SHA1
276d2ec82c518d887a8a3608e51c56fa28716ded

SHA256
78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

SHA512
0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

Download Submit
memory/3156-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads