wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Analysis

max time kernel
35s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 10:50

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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\Word\STARTUP\~SDB342.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDB32B.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
540	!WannaDecryptor!.exe
3396	!WannaDecryptor!.exe
4940	!WannaDecryptor!.exe
112	!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-1-5-21-3227495264-2217614367-4027411560-1000\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	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	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WannaCry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.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	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 4 IoCs

evasion

pid	Process
1140	taskkill.exe
2224	taskkill.exe
2232	taskkill.exe
1684	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	1684	taskkill.exe
Token: SeDebugPrivilege	2224	taskkill.exe
Token: SeDebugPrivilege	2232	taskkill.exe
Token: SeDebugPrivilege	1140	taskkill.exe
Token: SeIncreaseQuotaPrivilege	1100	WMIC.exe
Token: SeSecurityPrivilege	1100	WMIC.exe
Token: SeTakeOwnershipPrivilege	1100	WMIC.exe
Token: SeLoadDriverPrivilege	1100	WMIC.exe
Token: SeSystemProfilePrivilege	1100	WMIC.exe
Token: SeSystemtimePrivilege	1100	WMIC.exe
Token: SeProfSingleProcessPrivilege	1100	WMIC.exe
Token: SeIncBasePriorityPrivilege	1100	WMIC.exe
Token: SeCreatePagefilePrivilege	1100	WMIC.exe
Token: SeBackupPrivilege	1100	WMIC.exe
Token: SeRestorePrivilege	1100	WMIC.exe
Token: SeShutdownPrivilege	1100	WMIC.exe
Token: SeDebugPrivilege	1100	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1100	WMIC.exe
Token: SeRemoteShutdownPrivilege	1100	WMIC.exe
Token: SeUndockPrivilege	1100	WMIC.exe
Token: SeManageVolumePrivilege	1100	WMIC.exe
Token: 33	1100	WMIC.exe
Token: 34	1100	WMIC.exe
Token: 35	1100	WMIC.exe
Token: 36	1100	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1100	WMIC.exe
Token: SeSecurityPrivilege	1100	WMIC.exe
Token: SeTakeOwnershipPrivilege	1100	WMIC.exe
Token: SeLoadDriverPrivilege	1100	WMIC.exe
Token: SeSystemProfilePrivilege	1100	WMIC.exe
Token: SeSystemtimePrivilege	1100	WMIC.exe
Token: SeProfSingleProcessPrivilege	1100	WMIC.exe
Token: SeIncBasePriorityPrivilege	1100	WMIC.exe
Token: SeCreatePagefilePrivilege	1100	WMIC.exe
Token: SeBackupPrivilege	1100	WMIC.exe
Token: SeRestorePrivilege	1100	WMIC.exe
Token: SeShutdownPrivilege	1100	WMIC.exe
Token: SeDebugPrivilege	1100	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1100	WMIC.exe
Token: SeRemoteShutdownPrivilege	1100	WMIC.exe
Token: SeUndockPrivilege	1100	WMIC.exe
Token: SeManageVolumePrivilege	1100	WMIC.exe
Token: 33	1100	WMIC.exe
Token: 34	1100	WMIC.exe
Token: 35	1100	WMIC.exe
Token: 36	1100	WMIC.exe
Token: SeBackupPrivilege	4696	vssvc.exe
Token: SeRestorePrivilege	4696	vssvc.exe
Token: SeAuditPrivilege	4696	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
540	!WannaDecryptor!.exe
540	!WannaDecryptor!.exe
3396	!WannaDecryptor!.exe
3396	!WannaDecryptor!.exe
4940	!WannaDecryptor!.exe
4940	!WannaDecryptor!.exe
112	!WannaDecryptor!.exe
112	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 4668	3700	WannaCry.exe	82
PID 3700 wrote to memory of 4668	3700	WannaCry.exe	82
PID 3700 wrote to memory of 4668	3700	WannaCry.exe	82
PID 4668 wrote to memory of 2660	4668	cmd.exe	84
PID 4668 wrote to memory of 2660	4668	cmd.exe	84
PID 4668 wrote to memory of 2660	4668	cmd.exe	84
PID 3700 wrote to memory of 540	3700	WannaCry.exe	85
PID 3700 wrote to memory of 540	3700	WannaCry.exe	85
PID 3700 wrote to memory of 540	3700	WannaCry.exe	85
PID 3700 wrote to memory of 2224	3700	WannaCry.exe	86
PID 3700 wrote to memory of 2224	3700	WannaCry.exe	86
PID 3700 wrote to memory of 2224	3700	WannaCry.exe	86
PID 3700 wrote to memory of 1140	3700	WannaCry.exe	87
PID 3700 wrote to memory of 1140	3700	WannaCry.exe	87
PID 3700 wrote to memory of 1140	3700	WannaCry.exe	87
PID 3700 wrote to memory of 1684	3700	WannaCry.exe	88
PID 3700 wrote to memory of 1684	3700	WannaCry.exe	88
PID 3700 wrote to memory of 1684	3700	WannaCry.exe	88
PID 3700 wrote to memory of 2232	3700	WannaCry.exe	89
PID 3700 wrote to memory of 2232	3700	WannaCry.exe	89
PID 3700 wrote to memory of 2232	3700	WannaCry.exe	89
PID 3700 wrote to memory of 3396	3700	WannaCry.exe	99
PID 3700 wrote to memory of 3396	3700	WannaCry.exe	99
PID 3700 wrote to memory of 3396	3700	WannaCry.exe	99
PID 3700 wrote to memory of 4596	3700	WannaCry.exe	100
PID 3700 wrote to memory of 4596	3700	WannaCry.exe	100
PID 3700 wrote to memory of 4596	3700	WannaCry.exe	100
PID 4596 wrote to memory of 4940	4596	cmd.exe	102
PID 4596 wrote to memory of 4940	4596	cmd.exe	102
PID 4596 wrote to memory of 4940	4596	cmd.exe	102
PID 3700 wrote to memory of 112	3700	WannaCry.exe	107
PID 3700 wrote to memory of 112	3700	WannaCry.exe	107
PID 3700 wrote to memory of 112	3700	WannaCry.exe	107
PID 4940 wrote to memory of 4736	4940	!WannaDecryptor!.exe	108
PID 4940 wrote to memory of 4736	4940	!WannaDecryptor!.exe	108
PID 4940 wrote to memory of 4736	4940	!WannaDecryptor!.exe	108
PID 4736 wrote to memory of 1100	4736	cmd.exe	110
PID 4736 wrote to memory of 1100	4736	cmd.exe	110
PID 4736 wrote to memory of 1100	4736	cmd.exe	110

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:3700
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 292761732963869.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2660
- 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:540
- 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:2224
- 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:1140
- 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:1684
- 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:2232
- 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:3396
- 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:4596
- - 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:4940
  - - 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:4736
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:1100
- 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:112

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4696

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

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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
8377ad9d8e9e5a020af5c38cad54a8ee

SHA1
a53275cc37fae48c4463f1ada5df064299fa5ec5

SHA256
83c11395625e2f5b91ec461614953789370f3dc57222a0bb4ae97816528232ba

SHA512
3c920660803a6f3bbf94f515aac6be80f54b64b8a6c0742fd7186da9b76d3ec5dd5139769ee31464aa9450af704911eaeaeb747b41e3ba20d7e2e016a4c7c4cb

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

Filesize
136B

MD5
65952e4a9f97cac4394e3edfc4b6315b

SHA1
85eefe7882559127ff3853e34919f683de3cde18

SHA256
ba2af2709599a8ce7df98efa65bbe3ee672f2c4b20d4eb8e7fc17813df7e3b58

SHA512
163bf5893fea8aad3223a1dbbefed3c0a71edf38d89affb3660b96532aaf785a6237f1d644f663e6681c239bc827cf3373444a681be233b429c3fe3375fd235d

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

Filesize
136B

MD5
50ff885c6e4f11460150c014f7ff197b

SHA1
71be1bc09aa7e857e86c2d0d1bc7899ce37f9047

SHA256
e0f8bb77b7a19824a6b34f0b6664c2d980660bb43a2a30ad53dbf53e6c7b8d36

SHA512
d416d3974c11db4b18ad70dc12d2a053a7fbb7963bd4f3e14e9e58ba8a9a3d2552ced431a4fa958c7d0b8d4b1e6b9d46aa03abbf51fed0cc91ff688629168a24

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

Filesize
136B

MD5
2361e912edc5d5b5e30fa4d0861a78b8

SHA1
13dd51c9089e0141622dd26c0e01385efbf08286

SHA256
7f811e0c48c3f93ea7718f13529a74cafc6b68581bc61ff7a5adf8716ec9ff17

SHA512
24bf7715bc84978592fc78df8c4e07a69ec2290dafae6ace784c190efcb87318a990e370e6841768746720a1543489bbec80a948ffe19d586e696b014bd17cb7

Download Submit
C:\Users\Admin\AppData\Local\Temp\292761732963869.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
7eddda0a899708e3756d724d045254be

SHA1
e52ede0ed03cb35dfc7c22ae05a96dc1cf6fabc8

SHA256
5342e4dace25322477ef81156a9faebdc5f291a8e900335f971422a754b2c939

SHA512
077140966543cb7fdc1efe67d372727428dfa3db14226d601540590f43f51b65835bb422df48cbe641567bc1440a104fc37631200288418342de429e0bb9f2c0

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

Filesize
42KB

MD5
980b08bac152aff3f9b0136b616affa5

SHA1
2a9c9601ea038f790cc29379c79407356a3d25a3

SHA256
402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

SHA512
100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

Download Submit
memory/3700-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads