wannacry | 1d3c2088b2d712f8006279db8acb9a1c6dc3037886a655d37bf75ea5fa6b9518

max time kernel
53s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
27/05/2024, 21:15

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General

Target

Malware-database-main/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 execution impact persistence ransomware spyware stealer worm

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Malware-database-main\!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\~SD9773.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD99EB.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
2784	!WannaDecryptor!.exe
2124	!WannaDecryptor!.exe
5064	!WannaDecryptor!.exe
3772	!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\\Malware-database-main\\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-1-5-21-2457560273-69882387-977367775-1000\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

Kills process with taskkill 4 IoCs

evasion

pid	Process
2276	taskkill.exe
2448	taskkill.exe
2064	taskkill.exe
4132	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	4132	taskkill.exe
Token: SeDebugPrivilege	2276	taskkill.exe
Token: SeDebugPrivilege	2448	taskkill.exe
Token: SeDebugPrivilege	2064	taskkill.exe
Token: SeIncreaseQuotaPrivilege	1980	WMIC.exe
Token: SeSecurityPrivilege	1980	WMIC.exe
Token: SeTakeOwnershipPrivilege	1980	WMIC.exe
Token: SeLoadDriverPrivilege	1980	WMIC.exe
Token: SeSystemProfilePrivilege	1980	WMIC.exe
Token: SeSystemtimePrivilege	1980	WMIC.exe
Token: SeProfSingleProcessPrivilege	1980	WMIC.exe
Token: SeIncBasePriorityPrivilege	1980	WMIC.exe
Token: SeCreatePagefilePrivilege	1980	WMIC.exe
Token: SeBackupPrivilege	1980	WMIC.exe
Token: SeRestorePrivilege	1980	WMIC.exe
Token: SeShutdownPrivilege	1980	WMIC.exe
Token: SeDebugPrivilege	1980	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1980	WMIC.exe
Token: SeRemoteShutdownPrivilege	1980	WMIC.exe
Token: SeUndockPrivilege	1980	WMIC.exe
Token: SeManageVolumePrivilege	1980	WMIC.exe
Token: 33	1980	WMIC.exe
Token: 34	1980	WMIC.exe
Token: 35	1980	WMIC.exe
Token: 36	1980	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1980	WMIC.exe
Token: SeSecurityPrivilege	1980	WMIC.exe
Token: SeTakeOwnershipPrivilege	1980	WMIC.exe
Token: SeLoadDriverPrivilege	1980	WMIC.exe
Token: SeSystemProfilePrivilege	1980	WMIC.exe
Token: SeSystemtimePrivilege	1980	WMIC.exe
Token: SeProfSingleProcessPrivilege	1980	WMIC.exe
Token: SeIncBasePriorityPrivilege	1980	WMIC.exe
Token: SeCreatePagefilePrivilege	1980	WMIC.exe
Token: SeBackupPrivilege	1980	WMIC.exe
Token: SeRestorePrivilege	1980	WMIC.exe
Token: SeShutdownPrivilege	1980	WMIC.exe
Token: SeDebugPrivilege	1980	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1980	WMIC.exe
Token: SeRemoteShutdownPrivilege	1980	WMIC.exe
Token: SeUndockPrivilege	1980	WMIC.exe
Token: SeManageVolumePrivilege	1980	WMIC.exe
Token: 33	1980	WMIC.exe
Token: 34	1980	WMIC.exe
Token: 35	1980	WMIC.exe
Token: 36	1980	WMIC.exe
Token: SeBackupPrivilege	2180	vssvc.exe
Token: SeRestorePrivilege	2180	vssvc.exe
Token: SeAuditPrivilege	2180	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2784	!WannaDecryptor!.exe
2784	!WannaDecryptor!.exe
2124	!WannaDecryptor!.exe
2124	!WannaDecryptor!.exe
5064	!WannaDecryptor!.exe
5064	!WannaDecryptor!.exe
3772	!WannaDecryptor!.exe
3772	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 2412	3692	WannaCry.exe	77
PID 3692 wrote to memory of 2412	3692	WannaCry.exe	77
PID 3692 wrote to memory of 2412	3692	WannaCry.exe	77
PID 2412 wrote to memory of 3180	2412	cmd.exe	79
PID 2412 wrote to memory of 3180	2412	cmd.exe	79
PID 2412 wrote to memory of 3180	2412	cmd.exe	79
PID 3692 wrote to memory of 2784	3692	WannaCry.exe	80
PID 3692 wrote to memory of 2784	3692	WannaCry.exe	80
PID 3692 wrote to memory of 2784	3692	WannaCry.exe	80
PID 3692 wrote to memory of 2276	3692	WannaCry.exe	81
PID 3692 wrote to memory of 2276	3692	WannaCry.exe	81
PID 3692 wrote to memory of 2276	3692	WannaCry.exe	81
PID 3692 wrote to memory of 4132	3692	WannaCry.exe	82
PID 3692 wrote to memory of 4132	3692	WannaCry.exe	82
PID 3692 wrote to memory of 4132	3692	WannaCry.exe	82
PID 3692 wrote to memory of 2064	3692	WannaCry.exe	83
PID 3692 wrote to memory of 2064	3692	WannaCry.exe	83
PID 3692 wrote to memory of 2064	3692	WannaCry.exe	83
PID 3692 wrote to memory of 2448	3692	WannaCry.exe	84
PID 3692 wrote to memory of 2448	3692	WannaCry.exe	84
PID 3692 wrote to memory of 2448	3692	WannaCry.exe	84
PID 3692 wrote to memory of 2124	3692	WannaCry.exe	91
PID 3692 wrote to memory of 2124	3692	WannaCry.exe	91
PID 3692 wrote to memory of 2124	3692	WannaCry.exe	91
PID 3692 wrote to memory of 1540	3692	WannaCry.exe	92
PID 3692 wrote to memory of 1540	3692	WannaCry.exe	92
PID 3692 wrote to memory of 1540	3692	WannaCry.exe	92
PID 1540 wrote to memory of 5064	1540	cmd.exe	94
PID 1540 wrote to memory of 5064	1540	cmd.exe	94
PID 1540 wrote to memory of 5064	1540	cmd.exe	94
PID 3692 wrote to memory of 3772	3692	WannaCry.exe	96
PID 3692 wrote to memory of 3772	3692	WannaCry.exe	96
PID 3692 wrote to memory of 3772	3692	WannaCry.exe	96
PID 5064 wrote to memory of 1004	5064	!WannaDecryptor!.exe	97
PID 5064 wrote to memory of 1004	5064	!WannaDecryptor!.exe	97
PID 5064 wrote to memory of 1004	5064	!WannaDecryptor!.exe	97
PID 1004 wrote to memory of 1980	1004	cmd.exe	99
PID 1004 wrote to memory of 1980	1004	cmd.exe	99
PID 1004 wrote to memory of 1980	1004	cmd.exe	99

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\Malware-database-main\WannaCry.exe
"C:\Users\Admin\AppData\Local\Temp\Malware-database-main\WannaCry.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 88671716844547.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:3180
- C:\Users\Admin\AppData\Local\Temp\Malware-database-main\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2784
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2276
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4132
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2064
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2448
- C:\Users\Admin\AppData\Local\Temp\Malware-database-main\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2124
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Users\Admin\AppData\Local\Temp\Malware-database-main\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5064
  - - 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⤵
      Suspicious use of WriteProcessMemory
      PID:1004
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1980
- C:\Users\Admin\AppData\Local\Temp\Malware-database-main\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:3772

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2180

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

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\Malware-database-main\!Please Read Me!.txt

Filesize
797B

MD5
afa18cf4aa2660392111763fb93a8c3d

SHA1
c219a3654a5f41ce535a09f2a188a464c3f5baf5

SHA256
227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0

SHA512
4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\!WannaDecryptor!.exe.lnk

Filesize
1KB

MD5
f285fe302fc5a5eece6190a86eb3e5a6

SHA1
49b5c69ed1ed4461d31e3131ce4c1709d274799f

SHA256
270bb0ff7436a1ae50ac5f350bba8a8fa4e23f5b9dc77efa8b10ed1fb0e130a4

SHA512
be445436c1f7806c4f3788385acc3f28dbb9c90140c24a1bf8fea4ec809e6bca8734448ac0ef4eb2771f57a820e9def3b85ca2c6118d81b5a0a81f64ce1dc012

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\00000000.res

Filesize
136B

MD5
1e5a40440b5bd7b04d5b2ebfcfd98d33

SHA1
21957b4670a09cda3fa4c17592e46a210fdb48bb

SHA256
97f82f2939acb91b663ea0a41017627dd00d7cbc8e1643ba1625bd2ad5ec95b4

SHA512
f8b91db19ce06975db7054a52b92b45d39ae813a8ee4abff7403af9a6e09f47032bc5243eebbffdc514b02b6fe6410dc811e11c2686157c4354405fd71a26349

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\00000000.res

Filesize
136B

MD5
1f67e03f1dcc30e496a0562af7538367

SHA1
e9826fd005591df0157b3076f87ceb3a68042039

SHA256
7f686714fd99c5f667fa8d53fbbabaea596c0fa0ea029ba844ea32edb8e8b4a6

SHA512
cf7c82b3e8b4955bbe74f4c5dca4588497e95752a0cbbdfab8508ec8217b3db8fbc43972b1441358f25aec440d14574f4f55cd28209f75520a8be5db6307609c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\00000000.res

Filesize
136B

MD5
d431377d12933ad249c0a3ef9d95eaa0

SHA1
495e011c6a090fea1a9425fbc88344dd6fd8c659

SHA256
86dfca1c319347a488e6a5212053b2b99c54949959cad3117af947179fd08b2b

SHA512
13e4b51bad022b5d985296d7aadf805ab957aada1919ce4523388c23eb0ef29a75ac1930f147e77d9a4f45883debd2e9d4f1bb7dbec07524b731353c97d37988

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\88671716844547.bat

Filesize
380B

MD5
71e08345a9f96647941595bc404e4304

SHA1
207f50600f9d261ff8fa88ba4f52dd2fc5bc13c5

SHA256
04ec40a225b6140fd35a92b66db0ddbcf96d31c4accf7183295c2321be9dcb16

SHA512
5c4bce405c86f688b2f3e6837dd24fc9db1485325965a17a841c191b25104ee9fdbf08d709b74f1fa9e752ad1374c391f3467dd7e448da38a7f1a27b38bc2e3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\c.vbs

Filesize
263B

MD5
897fe8eafbce679f3f2ecae2f678753a

SHA1
3e0cef18216c559e6bdf9c1c5331d8d5d2e53398

SHA256
04a249282dfa17a672c10ada3dc9a3b71f518b33fdb953ad2f76d88bd60d2c7a

SHA512
979460bf2c9761e6f3d9c7f99efd3eaf60ac81dfdc7d7d8882c5f248afb04d2aa27885b6aad7140dc601c90a375e5e9e31bbd2efa06496541a74bcd75d2d71ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\c.wry

Filesize
628B

MD5
b1a1fd2628f135e44997d8aca284d19e

SHA1
d2ccd4e636dc18b6d8e23b381e50ae658f57db7b

SHA256
17beac581bc5f7a0bb1ec812c31485ded9be8031d7eda169bb45544a8e8d85ee

SHA512
72835852acb0790d62d31bc43cbc7f006f93bf7e69ffe2e621a0916802607827aaa5983c01a3d72d1c6f1544c711bed39349477b2d697e8fb054a8efe5027102

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\m.wry

Filesize
42KB

MD5
980b08bac152aff3f9b0136b616affa5

SHA1
2a9c9601ea038f790cc29379c79407356a3d25a3

SHA256
402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

SHA512
100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\u.wry

Filesize
236KB

MD5
cf1416074cd7791ab80a18f9e7e219d9

SHA1
276d2ec82c518d887a8a3608e51c56fa28716ded

SHA256
78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

SHA512
0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

Download Submit
memory/3692-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads