wannacry | 1d3c2088b2d712f8006279db8acb9a1c6dc3037886a655d37bf75ea5fa6b9518

Analysis

max time kernel
1798s
max time network
1178s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
11-06-2024 21:05

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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\Windows\Start Menu\Programs\Startup\~SD53E7.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD567F.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

Processes:

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

pid process

4044 !WannaDecryptor!.exe
2708 !WannaDecryptor!.exe
1468 !WannaDecryptor!.exe
5024 !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-1-5-21-3062789476-783164490-2318012559-1000\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

2424 taskkill.exe
2024 taskkill.exe
5088 taskkill.exe
768 taskkill.exe

pid	process
2424	taskkill.exe
2024	taskkill.exe
5088	taskkill.exe
768	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	768	taskkill.exe
Token: SeDebugPrivilege	2424	taskkill.exe
Token: SeDebugPrivilege	5088	taskkill.exe
Token: SeDebugPrivilege	2024	taskkill.exe
Token: SeIncreaseQuotaPrivilege	2348	WMIC.exe
Token: SeSecurityPrivilege	2348	WMIC.exe
Token: SeTakeOwnershipPrivilege	2348	WMIC.exe
Token: SeLoadDriverPrivilege	2348	WMIC.exe
Token: SeSystemProfilePrivilege	2348	WMIC.exe
Token: SeSystemtimePrivilege	2348	WMIC.exe
Token: SeProfSingleProcessPrivilege	2348	WMIC.exe
Token: SeIncBasePriorityPrivilege	2348	WMIC.exe
Token: SeCreatePagefilePrivilege	2348	WMIC.exe
Token: SeBackupPrivilege	2348	WMIC.exe
Token: SeRestorePrivilege	2348	WMIC.exe
Token: SeShutdownPrivilege	2348	WMIC.exe
Token: SeDebugPrivilege	2348	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2348	WMIC.exe
Token: SeRemoteShutdownPrivilege	2348	WMIC.exe
Token: SeUndockPrivilege	2348	WMIC.exe
Token: SeManageVolumePrivilege	2348	WMIC.exe
Token: 33	2348	WMIC.exe
Token: 34	2348	WMIC.exe
Token: 35	2348	WMIC.exe
Token: 36	2348	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2348	WMIC.exe
Token: SeSecurityPrivilege	2348	WMIC.exe
Token: SeTakeOwnershipPrivilege	2348	WMIC.exe
Token: SeLoadDriverPrivilege	2348	WMIC.exe
Token: SeSystemProfilePrivilege	2348	WMIC.exe
Token: SeSystemtimePrivilege	2348	WMIC.exe
Token: SeProfSingleProcessPrivilege	2348	WMIC.exe
Token: SeIncBasePriorityPrivilege	2348	WMIC.exe
Token: SeCreatePagefilePrivilege	2348	WMIC.exe
Token: SeBackupPrivilege	2348	WMIC.exe
Token: SeRestorePrivilege	2348	WMIC.exe
Token: SeShutdownPrivilege	2348	WMIC.exe
Token: SeDebugPrivilege	2348	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2348	WMIC.exe
Token: SeRemoteShutdownPrivilege	2348	WMIC.exe
Token: SeUndockPrivilege	2348	WMIC.exe
Token: SeManageVolumePrivilege	2348	WMIC.exe
Token: 33	2348	WMIC.exe
Token: 34	2348	WMIC.exe
Token: 35	2348	WMIC.exe
Token: 36	2348	WMIC.exe
Token: SeBackupPrivilege	2516	vssvc.exe
Token: SeRestorePrivilege	2516	vssvc.exe
Token: SeAuditPrivilege	2516	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

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

pid	process
4044	!WannaDecryptor!.exe
4044	!WannaDecryptor!.exe
2708	!WannaDecryptor!.exe
2708	!WannaDecryptor!.exe
1468	!WannaDecryptor!.exe
1468	!WannaDecryptor!.exe
5024	!WannaDecryptor!.exe
5024	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

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

description	pid	process	target process
PID 784 wrote to memory of 2388	784	WannaCry.exe	cmd.exe
PID 784 wrote to memory of 2388	784	WannaCry.exe	cmd.exe
PID 784 wrote to memory of 2388	784	WannaCry.exe	cmd.exe
PID 2388 wrote to memory of 2384	2388	cmd.exe	cscript.exe
PID 2388 wrote to memory of 2384	2388	cmd.exe	cscript.exe
PID 2388 wrote to memory of 2384	2388	cmd.exe	cscript.exe
PID 784 wrote to memory of 4044	784	WannaCry.exe	!WannaDecryptor!.exe
PID 784 wrote to memory of 4044	784	WannaCry.exe	!WannaDecryptor!.exe
PID 784 wrote to memory of 4044	784	WannaCry.exe	!WannaDecryptor!.exe
PID 784 wrote to memory of 2424	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 2424	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 2424	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 768	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 768	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 768	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 5088	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 5088	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 5088	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 2024	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 2024	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 2024	784	WannaCry.exe	taskkill.exe
PID 784 wrote to memory of 2708	784	WannaCry.exe	!WannaDecryptor!.exe
PID 784 wrote to memory of 2708	784	WannaCry.exe	!WannaDecryptor!.exe
PID 784 wrote to memory of 2708	784	WannaCry.exe	!WannaDecryptor!.exe
PID 784 wrote to memory of 4864	784	WannaCry.exe	cmd.exe
PID 784 wrote to memory of 4864	784	WannaCry.exe	cmd.exe
PID 784 wrote to memory of 4864	784	WannaCry.exe	cmd.exe
PID 4864 wrote to memory of 1468	4864	cmd.exe	!WannaDecryptor!.exe
PID 4864 wrote to memory of 1468	4864	cmd.exe	!WannaDecryptor!.exe
PID 4864 wrote to memory of 1468	4864	cmd.exe	!WannaDecryptor!.exe
PID 784 wrote to memory of 5024	784	WannaCry.exe	!WannaDecryptor!.exe
PID 784 wrote to memory of 5024	784	WannaCry.exe	!WannaDecryptor!.exe
PID 784 wrote to memory of 5024	784	WannaCry.exe	!WannaDecryptor!.exe
PID 1468 wrote to memory of 276	1468	!WannaDecryptor!.exe	cmd.exe
PID 1468 wrote to memory of 276	1468	!WannaDecryptor!.exe	cmd.exe
PID 1468 wrote to memory of 276	1468	!WannaDecryptor!.exe	cmd.exe
PID 276 wrote to memory of 2348	276	cmd.exe	WMIC.exe
PID 276 wrote to memory of 2348	276	cmd.exe	WMIC.exe
PID 276 wrote to memory of 2348	276	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:784

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c 191421718140010.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:2388

C:\Windows\SysWOW64\cscript.exe
cscript //nologo c.vbs
3⤵
PID:2384

C:\Users\Admin\AppData\Local\Temp\Malware-database-main\!WannaDecryptor!.exe
!WannaDecryptor!.exe f
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4044

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im MSExchange*
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2424

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im Microsoft.Exchange.*
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:768

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im sqlserver.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5088

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im sqlwriter.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2024

C:\Users\Admin\AppData\Local\Temp\Malware-database-main\!WannaDecryptor!.exe
!WannaDecryptor!.exe c
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2708

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c start /b !WannaDecryptor!.exe v
2⤵
- Suspicious use of WriteProcessMemory
PID:4864

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:1468

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:276

C:\Windows\SysWOW64\Wbem\WMIC.exe
wmic shadowcopy delete
5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2348

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:5024

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2516

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
ad86f0f6af1a04f8ba6ed19d4d3a854a

SHA1
671a416105b9e63b6edbd6c3b477d2d60cd05154

SHA256
9188a511d32807f8b221cb51acc332631a1c0898d475c7fe5c3721881c2d2582

SHA512
48bd211bb5392508ad5c83f9bdee74fd61fe0167a2c42a5cd8e3dca0314fcf04e8cf1f48ed996b8c1f3ebfcb907f46312913d62049255157786b43b8212a6c90

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

Filesize
136B

MD5
48dca266125136ce78970475c116b60b

SHA1
57d0ba4f84f8c6d516c87822b89cd17d7149f650

SHA256
c1d6bd397b2905289429c37cdaeb5d045653f615c65b2a44119b7da562111870

SHA512
c3995cd3c2e89bdc93a4dfc97e22561cba8982ace1b21d21debf6432c7ae1115bb865526f41ee8463d4551db25143574a88f5b8300869dd8a9e49fc62df81a46

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

Filesize
136B

MD5
853868f43d812e7b00e8544b5d84d2db

SHA1
bdb5b5504c5bdc94161c25c16899d3906294e08d

SHA256
33107f48a152350ab8dd9fda025b7d903f2054ec038c514e758456b26542230c

SHA512
a2c9a809298d9d73926c73685c1fa9f4fd144224b01616e8ef6db1c9c77477ba1c6d512b5346ce423f392b646144a7031e1269805fe0e09891bf486c52a6fab4

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

Filesize
136B

MD5
fea7b39b1a58533fb4acc5f30e4276c8

SHA1
2283fc80682938244298c11508028d7e0ed996f3

SHA256
c7f82d6b6db07c8414a4991a1829ea5ba66c75891811ce74b046b0671c81c55a

SHA512
f3d9fd29a0beafa33a6872d88caee0068652dde77c3465dc4a5e4a9e4b611dcbcbe8925103fd56de1cfd8f15d0965b89522ed31c2bb5dac11d3e078b74496589

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\191421718140010.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
ad129d7fbf288b225af7ae54ee90b857

SHA1
9fce1d47680ade609b913bf9f1e1a06950d5259a

SHA256
970aeb0ed6191afe8df23ffeb60ccdfe88e5c30898b35a3eaa097015e10c2778

SHA512
699ad754e0f38a223296182457c2a6c4b5094a96306ba2ed8d0bcfd107ff8b908e91086e5711db8874cf46d22ad9566432a706b16aea4dd13f1f27acea1d7e79

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/784-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download