wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Analysis

max time kernel
25s
max time network
6s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2025 10:25

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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
Wannacry family
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\~SDCD21.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDCD47.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
2412	!WannaDecryptor!.exe
1628	!WannaDecryptor!.exe
4720	!WannaDecryptor!.exe
2332	!WannaDecryptor!.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-3625106387-4207083342-115176794-1000\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	WannaCry.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	cscript.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe

Kills process with taskkill 4 IoCs

defense_evasion

pid	Process
5008	taskkill.exe
4176	taskkill.exe
4388	taskkill.exe
5116	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	5116	taskkill.exe
Token: SeDebugPrivilege	4388	taskkill.exe
Token: SeDebugPrivilege	5008	taskkill.exe
Token: SeDebugPrivilege	4176	taskkill.exe
Token: SeIncreaseQuotaPrivilege	5116	WMIC.exe
Token: SeSecurityPrivilege	5116	WMIC.exe
Token: SeTakeOwnershipPrivilege	5116	WMIC.exe
Token: SeLoadDriverPrivilege	5116	WMIC.exe
Token: SeSystemProfilePrivilege	5116	WMIC.exe
Token: SeSystemtimePrivilege	5116	WMIC.exe
Token: SeProfSingleProcessPrivilege	5116	WMIC.exe
Token: SeIncBasePriorityPrivilege	5116	WMIC.exe
Token: SeCreatePagefilePrivilege	5116	WMIC.exe
Token: SeBackupPrivilege	5116	WMIC.exe
Token: SeRestorePrivilege	5116	WMIC.exe
Token: SeShutdownPrivilege	5116	WMIC.exe
Token: SeDebugPrivilege	5116	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5116	WMIC.exe
Token: SeRemoteShutdownPrivilege	5116	WMIC.exe
Token: SeUndockPrivilege	5116	WMIC.exe
Token: SeManageVolumePrivilege	5116	WMIC.exe
Token: 33	5116	WMIC.exe
Token: 34	5116	WMIC.exe
Token: 35	5116	WMIC.exe
Token: 36	5116	WMIC.exe
Token: SeIncreaseQuotaPrivilege	5116	WMIC.exe
Token: SeSecurityPrivilege	5116	WMIC.exe
Token: SeTakeOwnershipPrivilege	5116	WMIC.exe
Token: SeLoadDriverPrivilege	5116	WMIC.exe
Token: SeSystemProfilePrivilege	5116	WMIC.exe
Token: SeSystemtimePrivilege	5116	WMIC.exe
Token: SeProfSingleProcessPrivilege	5116	WMIC.exe
Token: SeIncBasePriorityPrivilege	5116	WMIC.exe
Token: SeCreatePagefilePrivilege	5116	WMIC.exe
Token: SeBackupPrivilege	5116	WMIC.exe
Token: SeRestorePrivilege	5116	WMIC.exe
Token: SeShutdownPrivilege	5116	WMIC.exe
Token: SeDebugPrivilege	5116	WMIC.exe
Token: SeSystemEnvironmentPrivilege	5116	WMIC.exe
Token: SeRemoteShutdownPrivilege	5116	WMIC.exe
Token: SeUndockPrivilege	5116	WMIC.exe
Token: SeManageVolumePrivilege	5116	WMIC.exe
Token: 33	5116	WMIC.exe
Token: 34	5116	WMIC.exe
Token: 35	5116	WMIC.exe
Token: 36	5116	WMIC.exe
Token: SeBackupPrivilege	4704	vssvc.exe
Token: SeRestorePrivilege	4704	vssvc.exe
Token: SeAuditPrivilege	4704	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2412	!WannaDecryptor!.exe
2412	!WannaDecryptor!.exe
1628	!WannaDecryptor!.exe
1628	!WannaDecryptor!.exe
4720	!WannaDecryptor!.exe
4720	!WannaDecryptor!.exe
2332	!WannaDecryptor!.exe
2332	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 744	4648	WannaCry.exe	84
PID 4648 wrote to memory of 744	4648	WannaCry.exe	84
PID 4648 wrote to memory of 744	4648	WannaCry.exe	84
PID 744 wrote to memory of 4464	744	cmd.exe	86
PID 744 wrote to memory of 4464	744	cmd.exe	86
PID 744 wrote to memory of 4464	744	cmd.exe	86
PID 4648 wrote to memory of 2412	4648	WannaCry.exe	89
PID 4648 wrote to memory of 2412	4648	WannaCry.exe	89
PID 4648 wrote to memory of 2412	4648	WannaCry.exe	89
PID 4648 wrote to memory of 5008	4648	WannaCry.exe	90
PID 4648 wrote to memory of 5008	4648	WannaCry.exe	90
PID 4648 wrote to memory of 5008	4648	WannaCry.exe	90
PID 4648 wrote to memory of 5116	4648	WannaCry.exe	91
PID 4648 wrote to memory of 5116	4648	WannaCry.exe	91
PID 4648 wrote to memory of 5116	4648	WannaCry.exe	91
PID 4648 wrote to memory of 4388	4648	WannaCry.exe	92
PID 4648 wrote to memory of 4388	4648	WannaCry.exe	92
PID 4648 wrote to memory of 4388	4648	WannaCry.exe	92
PID 4648 wrote to memory of 4176	4648	WannaCry.exe	93
PID 4648 wrote to memory of 4176	4648	WannaCry.exe	93
PID 4648 wrote to memory of 4176	4648	WannaCry.exe	93
PID 4648 wrote to memory of 1628	4648	WannaCry.exe	100
PID 4648 wrote to memory of 1628	4648	WannaCry.exe	100
PID 4648 wrote to memory of 1628	4648	WannaCry.exe	100
PID 4648 wrote to memory of 3892	4648	WannaCry.exe	101
PID 4648 wrote to memory of 3892	4648	WannaCry.exe	101
PID 4648 wrote to memory of 3892	4648	WannaCry.exe	101
PID 3892 wrote to memory of 4720	3892	cmd.exe	103
PID 3892 wrote to memory of 4720	3892	cmd.exe	103
PID 3892 wrote to memory of 4720	3892	cmd.exe	103
PID 4648 wrote to memory of 2332	4648	WannaCry.exe	105
PID 4648 wrote to memory of 2332	4648	WannaCry.exe	105
PID 4648 wrote to memory of 2332	4648	WannaCry.exe	105
PID 4720 wrote to memory of 2704	4720	!WannaDecryptor!.exe	106
PID 4720 wrote to memory of 2704	4720	!WannaDecryptor!.exe	106
PID 4720 wrote to memory of 2704	4720	!WannaDecryptor!.exe	106
PID 2704 wrote to memory of 5116	2704	cmd.exe	108
PID 2704 wrote to memory of 5116	2704	cmd.exe	108
PID 2704 wrote to memory of 5116	2704	cmd.exe	108

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:4648
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 166641738491922.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:744
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4464
- 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:2412
- 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:5008
- 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:5116
- 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:4388
- 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:4176
- 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:1628
- 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:3892
- - 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:4720
  - - 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:2704
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:5116
- 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:2332

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4704

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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

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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

Filesize
236KB

MD5
cf1416074cd7791ab80a18f9e7e219d9

SHA1
276d2ec82c518d887a8a3608e51c56fa28716ded

SHA256
78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

SHA512
0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

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

Filesize
1KB

MD5
46d9cdc7a055d00cbd6ac83ea4216af7

SHA1
215ba27fd6a8894ccd31bf5be0df908bfe0bbddb

SHA256
0dc4541af7113197e8e8a6b750f7adcef08bb8d3739a294bd177752cfe840fe8

SHA512
db60b99951f043fd19cb9d9af94b33244c702749be28418262c1b928e3a805d4f9a9f5735eb260fd55345d14e08841bfb5fc96502b621a789256b3502bd91cd2

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

Filesize
136B

MD5
deba9b2f155903120682e6206da4b7c3

SHA1
f9e4514a17fd43c4c737b283adff5b282ea54aef

SHA256
74fb56f83be0bc4cafbd41194052f1a66aaa07e863db3b78c8ad57d2fd0cd2a7

SHA512
97ad9d4d8d548939a08a9a3698e4dfc6cb35426f3d65c4e13f9316e1a9a9494a4be625a3fb15811554f2672ca3b15e313cc160d618c6a93273dcc29f877f384c

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

Filesize
136B

MD5
5b2402edcfc766e902e8453cfdeb27f9

SHA1
b1c20b77899300e1ff9d975f815b04fcf8866d28

SHA256
a59c1e8883a363c233e04b1fa07d12c2c2ed28291412020344d0a42f7177e6d9

SHA512
7d0049926ad507f82d2c730ad6eb7421762ecbcf0ca0d7fd19a195b41b6ed3f16bba81d6335710c59a1a6b0526b9f2f37dba56783049a246628d7d826e085c0c

Download Submit
C:\Users\Admin\AppData\Local\Temp\166641738491922.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
3f8d8f86b20132acbf2de64da20ba82a

SHA1
2332c5256c1cbf022aa683c55c3e072283719652

SHA256
5c49764c02a196a96aa6cdf5a264a34534e0fa821c1c2ef8edbaf7c433c74e6e

SHA512
0468f660fcb7eef7cae9ad08001ec65254348240ad74f42ffe31049a601e19ae9c48ea9808bd21d0714814bc38b42331877fe50da7290864daf41cc59a449ad9

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

Filesize
42KB

MD5
980b08bac152aff3f9b0136b616affa5

SHA1
2a9c9601ea038f790cc29379c79407356a3d25a3

SHA256
402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

SHA512
100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

Download Submit
memory/4648-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads