wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Analysis

max time kernel
590s
max time network
446s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
21-01-2025 04:39

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
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\~SD7360.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD7376.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
5116	!WannaDecryptor!.exe
3272	!WannaDecryptor!.exe
2424	!WannaDecryptor!.exe
2492	!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-1-5-21-2503671516-4119152987-701077851-1000\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	taskkill.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	cmd.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	WMIC.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	cmd.exe

Kills process with taskkill 4 IoCs

defense_evasion

pid	Process
4424	taskkill.exe
1996	taskkill.exe
4292	taskkill.exe
3004	taskkill.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1204	WMIC.exe
1204	WMIC.exe
1204	WMIC.exe
1204	WMIC.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	taskkill.exe
Token: SeDebugPrivilege	4292	taskkill.exe
Token: SeDebugPrivilege	1996	taskkill.exe
Token: SeDebugPrivilege	3004	taskkill.exe
Token: SeIncreaseQuotaPrivilege	1204	WMIC.exe
Token: SeSecurityPrivilege	1204	WMIC.exe
Token: SeTakeOwnershipPrivilege	1204	WMIC.exe
Token: SeLoadDriverPrivilege	1204	WMIC.exe
Token: SeSystemProfilePrivilege	1204	WMIC.exe
Token: SeSystemtimePrivilege	1204	WMIC.exe
Token: SeProfSingleProcessPrivilege	1204	WMIC.exe
Token: SeIncBasePriorityPrivilege	1204	WMIC.exe
Token: SeCreatePagefilePrivilege	1204	WMIC.exe
Token: SeBackupPrivilege	1204	WMIC.exe
Token: SeRestorePrivilege	1204	WMIC.exe
Token: SeShutdownPrivilege	1204	WMIC.exe
Token: SeDebugPrivilege	1204	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1204	WMIC.exe
Token: SeRemoteShutdownPrivilege	1204	WMIC.exe
Token: SeUndockPrivilege	1204	WMIC.exe
Token: SeManageVolumePrivilege	1204	WMIC.exe
Token: 33	1204	WMIC.exe
Token: 34	1204	WMIC.exe
Token: 35	1204	WMIC.exe
Token: 36	1204	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1204	WMIC.exe
Token: SeSecurityPrivilege	1204	WMIC.exe
Token: SeTakeOwnershipPrivilege	1204	WMIC.exe
Token: SeLoadDriverPrivilege	1204	WMIC.exe
Token: SeSystemProfilePrivilege	1204	WMIC.exe
Token: SeSystemtimePrivilege	1204	WMIC.exe
Token: SeProfSingleProcessPrivilege	1204	WMIC.exe
Token: SeIncBasePriorityPrivilege	1204	WMIC.exe
Token: SeCreatePagefilePrivilege	1204	WMIC.exe
Token: SeBackupPrivilege	1204	WMIC.exe
Token: SeRestorePrivilege	1204	WMIC.exe
Token: SeShutdownPrivilege	1204	WMIC.exe
Token: SeDebugPrivilege	1204	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1204	WMIC.exe
Token: SeRemoteShutdownPrivilege	1204	WMIC.exe
Token: SeUndockPrivilege	1204	WMIC.exe
Token: SeManageVolumePrivilege	1204	WMIC.exe
Token: 33	1204	WMIC.exe
Token: 34	1204	WMIC.exe
Token: 35	1204	WMIC.exe
Token: 36	1204	WMIC.exe
Token: SeBackupPrivilege	1916	vssvc.exe
Token: SeRestorePrivilege	1916	vssvc.exe
Token: SeAuditPrivilege	1916	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
5116	!WannaDecryptor!.exe
5116	!WannaDecryptor!.exe
3272	!WannaDecryptor!.exe
3272	!WannaDecryptor!.exe
2424	!WannaDecryptor!.exe
2424	!WannaDecryptor!.exe
2492	!WannaDecryptor!.exe
2492	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 3664	4476	WannaCry.exe	82
PID 4476 wrote to memory of 3664	4476	WannaCry.exe	82
PID 4476 wrote to memory of 3664	4476	WannaCry.exe	82
PID 3664 wrote to memory of 4904	3664	cmd.exe	84
PID 3664 wrote to memory of 4904	3664	cmd.exe	84
PID 3664 wrote to memory of 4904	3664	cmd.exe	84
PID 4476 wrote to memory of 5116	4476	WannaCry.exe	86
PID 4476 wrote to memory of 5116	4476	WannaCry.exe	86
PID 4476 wrote to memory of 5116	4476	WannaCry.exe	86
PID 4476 wrote to memory of 4424	4476	WannaCry.exe	87
PID 4476 wrote to memory of 4424	4476	WannaCry.exe	87
PID 4476 wrote to memory of 4424	4476	WannaCry.exe	87
PID 4476 wrote to memory of 3004	4476	WannaCry.exe	88
PID 4476 wrote to memory of 3004	4476	WannaCry.exe	88
PID 4476 wrote to memory of 3004	4476	WannaCry.exe	88
PID 4476 wrote to memory of 4292	4476	WannaCry.exe	89
PID 4476 wrote to memory of 4292	4476	WannaCry.exe	89
PID 4476 wrote to memory of 4292	4476	WannaCry.exe	89
PID 4476 wrote to memory of 1996	4476	WannaCry.exe	90
PID 4476 wrote to memory of 1996	4476	WannaCry.exe	90
PID 4476 wrote to memory of 1996	4476	WannaCry.exe	90
PID 4476 wrote to memory of 3272	4476	WannaCry.exe	102
PID 4476 wrote to memory of 3272	4476	WannaCry.exe	102
PID 4476 wrote to memory of 3272	4476	WannaCry.exe	102
PID 4476 wrote to memory of 4092	4476	WannaCry.exe	103
PID 4476 wrote to memory of 4092	4476	WannaCry.exe	103
PID 4476 wrote to memory of 4092	4476	WannaCry.exe	103
PID 4092 wrote to memory of 2424	4092	cmd.exe	105
PID 4092 wrote to memory of 2424	4092	cmd.exe	105
PID 4092 wrote to memory of 2424	4092	cmd.exe	105
PID 4476 wrote to memory of 2492	4476	WannaCry.exe	106
PID 4476 wrote to memory of 2492	4476	WannaCry.exe	106
PID 4476 wrote to memory of 2492	4476	WannaCry.exe	106
PID 2424 wrote to memory of 4032	2424	!WannaDecryptor!.exe	110
PID 2424 wrote to memory of 4032	2424	!WannaDecryptor!.exe	110
PID 2424 wrote to memory of 4032	2424	!WannaDecryptor!.exe	110
PID 4032 wrote to memory of 1204	4032	cmd.exe	112
PID 4032 wrote to memory of 1204	4032	cmd.exe	112
PID 4032 wrote to memory of 1204	4032	cmd.exe	112

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:4476
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 124501737434412.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3664
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4904
- 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:5116
- 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:4424
- 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:3004
- 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:4292
- 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:1996
- 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:3272
- 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:4092
- - 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:2424
  - - 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:4032
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1204
- 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:2492

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1916

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

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

Filesize
236KB

MD5
cf1416074cd7791ab80a18f9e7e219d9

SHA1
276d2ec82c518d887a8a3608e51c56fa28716ded

SHA256
78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

SHA512
0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

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

Filesize
1KB

MD5
8927163fcab111c0f317e240195960cb

SHA1
2de94b9bee920f200dddcb078640ba4c38a48e24

SHA256
6846386e5f29efc7cafa689755fde0690ef5b8f2707215b4edfd795d1ed4cc23

SHA512
a67bc616f3d6809128713e027e8e3c00a3e7f8afa39ceddb2bbca5dd7441ab1374017f30b922ff3acac6fae375d9564b1e1f83673e1f595384fa1d3abde96ab9

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

Filesize
136B

MD5
a6217e80e1d4c3456bac4eb5bd70c864

SHA1
ed5c6ff14fc238e8f1ca25f80da91118d46ac4f0

SHA256
d0793ce65248b5b3bd0adbf07d8ab468d18519e71835f483e1e95f1df9a1c33c

SHA512
8dd6859b74ac962112697c65384739f05f6f76537024713835b250c90213e19789b142f217188f9d3a29e8bb674fb783f87b1d944339a68913d00f81f6f7f60e

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

Filesize
136B

MD5
4f89215c86105c90c7aa078eff74f3bc

SHA1
640e64518a0291d5de446135fa6ea966457ed9c5

SHA256
a8230791caa21f94a33f71281a3faa081e66120a19f9993cf135c6cd38793de2

SHA512
9ba7f202044f1a1257166e490b15ef4009b7e4054cb7500d834ee92bae332089f6c3b06611ad7e34d2bf3f9c02376beaf6fc88564b9cdcfc71d97b66ff048f72

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

Filesize
136B

MD5
09cab4af2f9595bd250a29d56cbfc020

SHA1
1deed6a7cf5f01daa599d13dbda5ba2ba4aa9ab2

SHA256
0a052e353f68a1b4a95f931206404ff8443806b81a711d08d44db902f8fac112

SHA512
c3f274bb34b2d13d1368fa296bc6325549ff1d44928f7794c491667b6829132f25f3c06777cc08fc954d196cc6199a9b9c1ba2a2f6a4a0eed145680850692119

Download Submit
C:\Users\Admin\AppData\Local\Temp\124501737434412.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
a3714bc2297e7df8d28d231559535d2a

SHA1
c647965ab7f9eed02c92b9c9d328ec3c299ee651

SHA256
1ee2450009adf32f9b9cc8d89edf15242e14717f3e1272f77e86eb3f3ddeb68a

SHA512
640b0c760b5afb1bac9715a5b1f874431f2647da6d665446f7b5b12ea5da44c6346d9a5319bdfce4766598f1beafe58df4d4845ab8f714a645a2452b0d17e113

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

Filesize
42KB

MD5
980b08bac152aff3f9b0136b616affa5

SHA1
2a9c9601ea038f790cc29379c79407356a3d25a3

SHA256
402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

SHA512
100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

Download Submit
memory/4476-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download