wannacry | 1d3c2088b2d712f8006279db8acb9a1c6dc3037886a655d37bf75ea5fa6b9518

Analysis

max time kernel
139s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29-05-2024 18:16

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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

Processes:

WannaCry.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6A0C.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD6A05.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

Processes:

!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe

pid process

3260 !WannaDecryptor!.exe
5044 !WannaDecryptor!.exe
4908 !WannaDecryptor!.exe
3548 !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

Processes:

WannaCry.exe

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

Processes:

!WannaDecryptor!.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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

Processes:

taskkill.exetaskkill.exetaskkill.exetaskkill.exe

pid process

3692 taskkill.exe
1968 taskkill.exe
3792 taskkill.exe
616 taskkill.exe

pid	process
3692	taskkill.exe
1968	taskkill.exe
3792	taskkill.exe
616	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

Processes:

taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1968	taskkill.exe
Token: SeDebugPrivilege	3692	taskkill.exe
Token: SeDebugPrivilege	616	taskkill.exe
Token: SeDebugPrivilege	3792	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4416	WMIC.exe
Token: SeSecurityPrivilege	4416	WMIC.exe
Token: SeTakeOwnershipPrivilege	4416	WMIC.exe
Token: SeLoadDriverPrivilege	4416	WMIC.exe
Token: SeSystemProfilePrivilege	4416	WMIC.exe
Token: SeSystemtimePrivilege	4416	WMIC.exe
Token: SeProfSingleProcessPrivilege	4416	WMIC.exe
Token: SeIncBasePriorityPrivilege	4416	WMIC.exe
Token: SeCreatePagefilePrivilege	4416	WMIC.exe
Token: SeBackupPrivilege	4416	WMIC.exe
Token: SeRestorePrivilege	4416	WMIC.exe
Token: SeShutdownPrivilege	4416	WMIC.exe
Token: SeDebugPrivilege	4416	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4416	WMIC.exe
Token: SeRemoteShutdownPrivilege	4416	WMIC.exe
Token: SeUndockPrivilege	4416	WMIC.exe
Token: SeManageVolumePrivilege	4416	WMIC.exe
Token: 33	4416	WMIC.exe
Token: 34	4416	WMIC.exe
Token: 35	4416	WMIC.exe
Token: 36	4416	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4416	WMIC.exe
Token: SeSecurityPrivilege	4416	WMIC.exe
Token: SeTakeOwnershipPrivilege	4416	WMIC.exe
Token: SeLoadDriverPrivilege	4416	WMIC.exe
Token: SeSystemProfilePrivilege	4416	WMIC.exe
Token: SeSystemtimePrivilege	4416	WMIC.exe
Token: SeProfSingleProcessPrivilege	4416	WMIC.exe
Token: SeIncBasePriorityPrivilege	4416	WMIC.exe
Token: SeCreatePagefilePrivilege	4416	WMIC.exe
Token: SeBackupPrivilege	4416	WMIC.exe
Token: SeRestorePrivilege	4416	WMIC.exe
Token: SeShutdownPrivilege	4416	WMIC.exe
Token: SeDebugPrivilege	4416	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4416	WMIC.exe
Token: SeRemoteShutdownPrivilege	4416	WMIC.exe
Token: SeUndockPrivilege	4416	WMIC.exe
Token: SeManageVolumePrivilege	4416	WMIC.exe
Token: 33	4416	WMIC.exe
Token: 34	4416	WMIC.exe
Token: 35	4416	WMIC.exe
Token: 36	4416	WMIC.exe
Token: SeBackupPrivilege	2004	vssvc.exe
Token: SeRestorePrivilege	2004	vssvc.exe
Token: SeAuditPrivilege	2004	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe

pid	process
3260	!WannaDecryptor!.exe
3260	!WannaDecryptor!.exe
5044	!WannaDecryptor!.exe
5044	!WannaDecryptor!.exe
4908	!WannaDecryptor!.exe
4908	!WannaDecryptor!.exe
3548	!WannaDecryptor!.exe
3548	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

WannaCry.execmd.execmd.exe!WannaDecryptor!.execmd.exe

description	pid	process	target process
PID 4704 wrote to memory of 4884	4704	WannaCry.exe	cmd.exe
PID 4704 wrote to memory of 4884	4704	WannaCry.exe	cmd.exe
PID 4704 wrote to memory of 4884	4704	WannaCry.exe	cmd.exe
PID 4884 wrote to memory of 3824	4884	cmd.exe	cscript.exe
PID 4884 wrote to memory of 3824	4884	cmd.exe	cscript.exe
PID 4884 wrote to memory of 3824	4884	cmd.exe	cscript.exe
PID 4704 wrote to memory of 3260	4704	WannaCry.exe	!WannaDecryptor!.exe
PID 4704 wrote to memory of 3260	4704	WannaCry.exe	!WannaDecryptor!.exe
PID 4704 wrote to memory of 3260	4704	WannaCry.exe	!WannaDecryptor!.exe
PID 4704 wrote to memory of 1968	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 1968	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 1968	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 3692	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 3692	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 3692	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 616	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 616	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 616	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 3792	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 3792	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 3792	4704	WannaCry.exe	taskkill.exe
PID 4704 wrote to memory of 5044	4704	WannaCry.exe	!WannaDecryptor!.exe
PID 4704 wrote to memory of 5044	4704	WannaCry.exe	!WannaDecryptor!.exe
PID 4704 wrote to memory of 5044	4704	WannaCry.exe	!WannaDecryptor!.exe
PID 4704 wrote to memory of 1652	4704	WannaCry.exe	cmd.exe
PID 4704 wrote to memory of 1652	4704	WannaCry.exe	cmd.exe
PID 4704 wrote to memory of 1652	4704	WannaCry.exe	cmd.exe
PID 1652 wrote to memory of 4908	1652	cmd.exe	!WannaDecryptor!.exe
PID 1652 wrote to memory of 4908	1652	cmd.exe	!WannaDecryptor!.exe
PID 1652 wrote to memory of 4908	1652	cmd.exe	!WannaDecryptor!.exe
PID 4704 wrote to memory of 3548	4704	WannaCry.exe	!WannaDecryptor!.exe
PID 4704 wrote to memory of 3548	4704	WannaCry.exe	!WannaDecryptor!.exe
PID 4704 wrote to memory of 3548	4704	WannaCry.exe	!WannaDecryptor!.exe
PID 4908 wrote to memory of 556	4908	!WannaDecryptor!.exe	cmd.exe
PID 4908 wrote to memory of 556	4908	!WannaDecryptor!.exe	cmd.exe
PID 4908 wrote to memory of 556	4908	!WannaDecryptor!.exe	cmd.exe
PID 556 wrote to memory of 4416	556	cmd.exe	WMIC.exe
PID 556 wrote to memory of 4416	556	cmd.exe	WMIC.exe
PID 556 wrote to memory of 4416	556	cmd.exe	WMIC.exe

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:4704

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c 5081717006640.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:4884

C:\Windows\SysWOW64\cscript.exe
cscript //nologo c.vbs
3⤵
PID:3824

C:\Users\Admin\AppData\Local\Temp\Malware-database-main\!WannaDecryptor!.exe
!WannaDecryptor!.exe f
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3260

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im MSExchange*
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1968

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im Microsoft.Exchange.*
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3692

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im sqlserver.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:616

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im sqlwriter.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3792

C:\Users\Admin\AppData\Local\Temp\Malware-database-main\!WannaDecryptor!.exe
!WannaDecryptor!.exe c
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5044

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c start /b !WannaDecryptor!.exe v
2⤵
- Suspicious use of WriteProcessMemory
PID:1652

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:4908

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:556

C:\Windows\SysWOW64\Wbem\WMIC.exe
wmic shadowcopy delete
5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4416

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:3548

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2004

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

Replay Monitor

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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
9c140d3eeda9a8a6298c835063d7707c

SHA1
a45572258c0c3ed7c797e0f38180a2082dcd9340

SHA256
5207f010fa492d2042f5b820135b6c2cea716fa2168be3e9d98a1eb8c3b7dcd4

SHA512
a7c1ba3d53cf45dea6e2763f27d3c49516a9b65cdf4972e87a2e59363351e720338f3304c528ef4fdca69c3fe8c04626416264c940fe017cbde65031f63ae00d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\00000000.res
Filesize
136B

MD5
9e6721f5012a87e40be933ac31ff122f

SHA1
2a621198c9be86878127ead8da6c1f18c204c620

SHA256
c49a9678bac094d3f83d8464515c1d0582b30988f78bda12297f26910c67172e

SHA512
bea5ec7e5abfb74b3a87660cc87d7f8bf4530a5b29565ceb69d11f3510a022d16a6d3f08259f1181fc5c7ec9a44bc5da9e5c89e9d88f28cb04cea01e643bbc89

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\00000000.res
Filesize
136B

MD5
c509550aeffe465ab7859ab794829e12

SHA1
d5ca33ed3f58b487341c52f10117f3bf56b3e92b

SHA256
98eabfd6cca8e6b30d9123bf217c7a21053ec401cc0761443fca07ba95884bfa

SHA512
7b2285cca71ca08af84c0c06251f3b4ceb8ccb4f5a42588dcb433d4c92d8982bd40ff5f0eac1ad21dbec887aeb5c4781ed2b24f175434b84bba4fbbd930c87e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\00000000.res
Filesize
136B

MD5
c01c45992aab438777eeaf033f215b52

SHA1
0e59b15c63ebea1da2ae697dbba4175fea0503b5

SHA256
1f3769af9bf09611db222a411f35b6ff2dd7e383e8a2d79e0582b671c156169c

SHA512
eabb2556cdb21c3c9cc4afb3e0039d67272191847ffa47ad6c2c48b0cbb753e66696636f1143c185fd5f07a7eae2dc850360c6e20056776cd1b168418b1ee3e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\5081717006640.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
aeb62fb61cda16d3bf683d67101741b5

SHA1
ddaebb21baec7fcb5e146e052bbcd96add6af9f5

SHA256
c7c4bcecc1c3ed6682301d8aabad3dbc1a49746b21e96c9abc75e1a0d1258621

SHA512
d1aa485d1c0a6b1f1bb255d88396c3700c9a587d44c5794bb565af2a91c318f4c1bc0026e0752f2ee499d95e44e35e67da816639cac4cbdfcd345d926ca813c9

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/4704-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download