wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Analysis

max time kernel
147s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2025, 13:55

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\~SDCD7F.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDCD96.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
3640	!WannaDecryptor!.exe
3456	!WannaDecryptor!.exe
1364	!WannaDecryptor!.exe
1188	!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-1-5-21-2045521122-590294423-3465680274-1000\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	taskkill.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	cmd.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	cmd.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	WannaCry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe

Kills process with taskkill 4 IoCs

evasion

pid	Process
3656	taskkill.exe
4472	taskkill.exe
2256	taskkill.exe
4720	taskkill.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	3656	taskkill.exe
Token: SeDebugPrivilege	4472	taskkill.exe
Token: SeDebugPrivilege	2256	taskkill.exe
Token: SeDebugPrivilege	4720	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4424	WMIC.exe
Token: SeSecurityPrivilege	4424	WMIC.exe
Token: SeTakeOwnershipPrivilege	4424	WMIC.exe
Token: SeLoadDriverPrivilege	4424	WMIC.exe
Token: SeSystemProfilePrivilege	4424	WMIC.exe
Token: SeSystemtimePrivilege	4424	WMIC.exe
Token: SeProfSingleProcessPrivilege	4424	WMIC.exe
Token: SeIncBasePriorityPrivilege	4424	WMIC.exe
Token: SeCreatePagefilePrivilege	4424	WMIC.exe
Token: SeBackupPrivilege	4424	WMIC.exe
Token: SeRestorePrivilege	4424	WMIC.exe
Token: SeShutdownPrivilege	4424	WMIC.exe
Token: SeDebugPrivilege	4424	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4424	WMIC.exe
Token: SeRemoteShutdownPrivilege	4424	WMIC.exe
Token: SeUndockPrivilege	4424	WMIC.exe
Token: SeManageVolumePrivilege	4424	WMIC.exe
Token: 33	4424	WMIC.exe
Token: 34	4424	WMIC.exe
Token: 35	4424	WMIC.exe
Token: 36	4424	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4424	WMIC.exe
Token: SeSecurityPrivilege	4424	WMIC.exe
Token: SeTakeOwnershipPrivilege	4424	WMIC.exe
Token: SeLoadDriverPrivilege	4424	WMIC.exe
Token: SeSystemProfilePrivilege	4424	WMIC.exe
Token: SeSystemtimePrivilege	4424	WMIC.exe
Token: SeProfSingleProcessPrivilege	4424	WMIC.exe
Token: SeIncBasePriorityPrivilege	4424	WMIC.exe
Token: SeCreatePagefilePrivilege	4424	WMIC.exe
Token: SeBackupPrivilege	4424	WMIC.exe
Token: SeRestorePrivilege	4424	WMIC.exe
Token: SeShutdownPrivilege	4424	WMIC.exe
Token: SeDebugPrivilege	4424	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4424	WMIC.exe
Token: SeRemoteShutdownPrivilege	4424	WMIC.exe
Token: SeUndockPrivilege	4424	WMIC.exe
Token: SeManageVolumePrivilege	4424	WMIC.exe
Token: 33	4424	WMIC.exe
Token: 34	4424	WMIC.exe
Token: 35	4424	WMIC.exe
Token: 36	4424	WMIC.exe
Token: SeBackupPrivilege	824	vssvc.exe
Token: SeRestorePrivilege	824	vssvc.exe
Token: SeAuditPrivilege	824	vssvc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1188	!WannaDecryptor!.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
3640	!WannaDecryptor!.exe
3640	!WannaDecryptor!.exe
3456	!WannaDecryptor!.exe
3456	!WannaDecryptor!.exe
1364	!WannaDecryptor!.exe
1364	!WannaDecryptor!.exe
1188	!WannaDecryptor!.exe
1188	!WannaDecryptor!.exe
2368	OpenWith.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 4376	396	WannaCry.exe	85
PID 396 wrote to memory of 4376	396	WannaCry.exe	85
PID 396 wrote to memory of 4376	396	WannaCry.exe	85
PID 4376 wrote to memory of 4264	4376	cmd.exe	87
PID 4376 wrote to memory of 4264	4376	cmd.exe	87
PID 4376 wrote to memory of 4264	4376	cmd.exe	87
PID 396 wrote to memory of 3640	396	WannaCry.exe	88
PID 396 wrote to memory of 3640	396	WannaCry.exe	88
PID 396 wrote to memory of 3640	396	WannaCry.exe	88
PID 396 wrote to memory of 3656	396	WannaCry.exe	89
PID 396 wrote to memory of 3656	396	WannaCry.exe	89
PID 396 wrote to memory of 3656	396	WannaCry.exe	89
PID 396 wrote to memory of 4720	396	WannaCry.exe	90
PID 396 wrote to memory of 4720	396	WannaCry.exe	90
PID 396 wrote to memory of 4720	396	WannaCry.exe	90
PID 396 wrote to memory of 2256	396	WannaCry.exe	91
PID 396 wrote to memory of 2256	396	WannaCry.exe	91
PID 396 wrote to memory of 2256	396	WannaCry.exe	91
PID 396 wrote to memory of 4472	396	WannaCry.exe	92
PID 396 wrote to memory of 4472	396	WannaCry.exe	92
PID 396 wrote to memory of 4472	396	WannaCry.exe	92
PID 396 wrote to memory of 3456	396	WannaCry.exe	100
PID 396 wrote to memory of 3456	396	WannaCry.exe	100
PID 396 wrote to memory of 3456	396	WannaCry.exe	100
PID 396 wrote to memory of 2584	396	WannaCry.exe	101
PID 396 wrote to memory of 2584	396	WannaCry.exe	101
PID 396 wrote to memory of 2584	396	WannaCry.exe	101
PID 2584 wrote to memory of 1364	2584	cmd.exe	103
PID 2584 wrote to memory of 1364	2584	cmd.exe	103
PID 2584 wrote to memory of 1364	2584	cmd.exe	103
PID 396 wrote to memory of 1188	396	WannaCry.exe	105
PID 396 wrote to memory of 1188	396	WannaCry.exe	105
PID 396 wrote to memory of 1188	396	WannaCry.exe	105
PID 1364 wrote to memory of 4648	1364	!WannaDecryptor!.exe	106
PID 1364 wrote to memory of 4648	1364	!WannaDecryptor!.exe	106
PID 1364 wrote to memory of 4648	1364	!WannaDecryptor!.exe	106
PID 4648 wrote to memory of 4424	4648	cmd.exe	108
PID 4648 wrote to memory of 4424	4648	cmd.exe	108
PID 4648 wrote to memory of 4424	4648	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:396
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 180421737294935.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4376
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4264
- 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:3640
- 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:3656
- 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:4720
- 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:2256
- 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:4472
- 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:3456
- 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:2584
- - 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:1364
  - - 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:4648
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4424
- 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 FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:1188

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:824

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2368

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.lnk

Filesize
1KB

MD5
db10fa4882ac539e437785d8c1284620

SHA1
5da2ff85a12d032aac3e5d22121bc51a9836fdf5

SHA256
0df1f24a8cba9d11214067389ba1216e4639dce2ccc69c8f1db18a0c02f68137

SHA512
81f3b86f006be612cfc96a3caefd9e8bce6a10bd3031e29da88cdfbd4ced52f509357b165b565955dc87969fbd7bbb1a90560fd5618b53afa700c0331c07d0e6

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

Filesize
136B

MD5
b2607071c76a635de86577a71e178f03

SHA1
ad53a0373b6cfcfc80321bf8ba443a9d18a4f905

SHA256
e87cb082d575ce0ccc258399e60a1d994c9f46eda82319092d593e6a06be868b

SHA512
4f7286485b3341eed4b271ec16b5dfea3fe0a454225607a0f9f3188e9857d54754e9ffba9cb93d53236227a3b6f566a58493a07b7cb8a8433de42cef0ac73a5a

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

Filesize
136B

MD5
874c7fc473c2e6a6e0377324611b6f5d

SHA1
8fabfae95f45cb259b79b6d11a42d5b1e4c59bc1

SHA256
0dc6c26e83e655dc968b10bd86cf038d448d50337465a18a3c0c98c13c655500

SHA512
edfeaf3e080881c6b8f68553839bbdafdd64d9ff5ecb39773b3a4001159f462ac9af46f84431e88b4f211ea59bce5571b2b32b95856dcc4866c3544e9c7cc515

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

Filesize
136B

MD5
1fa8681bac879248588e26f27091f8b9

SHA1
c9eaabdaebc6078d9d8310a1f66043df7b2b6a85

SHA256
b86270cf64e75043571dde908ea027002a5030e7503b6e38b64db75903960462

SHA512
461b3a2a72cfc1e0e8483354f216fb25b23d59697ca94318d805ae1a5a6edf2805191d8da731e9860bf64dd4ffd58d929ba6266b8005fad54439f21cf89242f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\180421737294935.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
676161cf9e70e4f5296c5517c8deff6f

SHA1
b072d30f96039047b555bb7db1afde2d70215ada

SHA256
21a1aea900da62792e07569ef9fbd5b61621cb76d1e0ce560f4f9a57d5ee58d9

SHA512
85d31bd2243d30d5a9bd2eebb191e1dc002e54ef01f5ec391bc57b7f8fc71f31ff95903b2ea7fe6d1c04d6bfd56eb7eb43f82e5a7ee70aafda0c2cec2384ad7c

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

Filesize
42KB

MD5
980b08bac152aff3f9b0136b616affa5

SHA1
2a9c9601ea038f790cc29379c79407356a3d25a3

SHA256
402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

SHA512
100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

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

Filesize
236KB

MD5
cf1416074cd7791ab80a18f9e7e219d9

SHA1
276d2ec82c518d887a8a3608e51c56fa28716ded

SHA256
78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

SHA512
0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

Download Submit
memory/396-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads