wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Resubmissions

29-01-2025 18:16

250129-wwwajatrhq 10

29-01-2025 15:24

250129-staz2a1ndv 10

Analysis

max time kernel
52s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
29-01-2025 18:16

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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\Windows\Start Menu\Programs\Startup\~SDC368.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDC37F.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
1460	!WannaDecryptor!.exe
3732	!WannaDecryptor!.exe
4908	!WannaDecryptor!.exe
1040	!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-1-5-21-2253712635-4068079004-3870069674-1000\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	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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.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	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	cmd.exe

Kills process with taskkill 4 IoCs

defense_evasion

pid	Process
4996	taskkill.exe
4220	taskkill.exe
3168	taskkill.exe
4840	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	4220	taskkill.exe
Token: SeDebugPrivilege	4840	taskkill.exe
Token: SeDebugPrivilege	3168	taskkill.exe
Token: SeDebugPrivilege	4996	taskkill.exe
Token: SeIncreaseQuotaPrivilege	3740	WMIC.exe
Token: SeSecurityPrivilege	3740	WMIC.exe
Token: SeTakeOwnershipPrivilege	3740	WMIC.exe
Token: SeLoadDriverPrivilege	3740	WMIC.exe
Token: SeSystemProfilePrivilege	3740	WMIC.exe
Token: SeSystemtimePrivilege	3740	WMIC.exe
Token: SeProfSingleProcessPrivilege	3740	WMIC.exe
Token: SeIncBasePriorityPrivilege	3740	WMIC.exe
Token: SeCreatePagefilePrivilege	3740	WMIC.exe
Token: SeBackupPrivilege	3740	WMIC.exe
Token: SeRestorePrivilege	3740	WMIC.exe
Token: SeShutdownPrivilege	3740	WMIC.exe
Token: SeDebugPrivilege	3740	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3740	WMIC.exe
Token: SeRemoteShutdownPrivilege	3740	WMIC.exe
Token: SeUndockPrivilege	3740	WMIC.exe
Token: SeManageVolumePrivilege	3740	WMIC.exe
Token: 33	3740	WMIC.exe
Token: 34	3740	WMIC.exe
Token: 35	3740	WMIC.exe
Token: 36	3740	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3740	WMIC.exe
Token: SeSecurityPrivilege	3740	WMIC.exe
Token: SeTakeOwnershipPrivilege	3740	WMIC.exe
Token: SeLoadDriverPrivilege	3740	WMIC.exe
Token: SeSystemProfilePrivilege	3740	WMIC.exe
Token: SeSystemtimePrivilege	3740	WMIC.exe
Token: SeProfSingleProcessPrivilege	3740	WMIC.exe
Token: SeIncBasePriorityPrivilege	3740	WMIC.exe
Token: SeCreatePagefilePrivilege	3740	WMIC.exe
Token: SeBackupPrivilege	3740	WMIC.exe
Token: SeRestorePrivilege	3740	WMIC.exe
Token: SeShutdownPrivilege	3740	WMIC.exe
Token: SeDebugPrivilege	3740	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3740	WMIC.exe
Token: SeRemoteShutdownPrivilege	3740	WMIC.exe
Token: SeUndockPrivilege	3740	WMIC.exe
Token: SeManageVolumePrivilege	3740	WMIC.exe
Token: 33	3740	WMIC.exe
Token: 34	3740	WMIC.exe
Token: 35	3740	WMIC.exe
Token: 36	3740	WMIC.exe
Token: SeBackupPrivilege	3932	vssvc.exe
Token: SeRestorePrivilege	3932	vssvc.exe
Token: SeAuditPrivilege	3932	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1460	!WannaDecryptor!.exe
1460	!WannaDecryptor!.exe
3732	!WannaDecryptor!.exe
3732	!WannaDecryptor!.exe
4908	!WannaDecryptor!.exe
4908	!WannaDecryptor!.exe
1040	!WannaDecryptor!.exe
1040	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 3068	1224	WannaCry.exe	77
PID 1224 wrote to memory of 3068	1224	WannaCry.exe	77
PID 1224 wrote to memory of 3068	1224	WannaCry.exe	77
PID 3068 wrote to memory of 4108	3068	cmd.exe	79
PID 3068 wrote to memory of 4108	3068	cmd.exe	79
PID 3068 wrote to memory of 4108	3068	cmd.exe	79
PID 1224 wrote to memory of 1460	1224	WannaCry.exe	80
PID 1224 wrote to memory of 1460	1224	WannaCry.exe	80
PID 1224 wrote to memory of 1460	1224	WannaCry.exe	80
PID 1224 wrote to memory of 3168	1224	WannaCry.exe	81
PID 1224 wrote to memory of 3168	1224	WannaCry.exe	81
PID 1224 wrote to memory of 3168	1224	WannaCry.exe	81
PID 1224 wrote to memory of 4840	1224	WannaCry.exe	82
PID 1224 wrote to memory of 4840	1224	WannaCry.exe	82
PID 1224 wrote to memory of 4840	1224	WannaCry.exe	82
PID 1224 wrote to memory of 4996	1224	WannaCry.exe	83
PID 1224 wrote to memory of 4996	1224	WannaCry.exe	83
PID 1224 wrote to memory of 4996	1224	WannaCry.exe	83
PID 1224 wrote to memory of 4220	1224	WannaCry.exe	84
PID 1224 wrote to memory of 4220	1224	WannaCry.exe	84
PID 1224 wrote to memory of 4220	1224	WannaCry.exe	84
PID 1224 wrote to memory of 3732	1224	WannaCry.exe	91
PID 1224 wrote to memory of 3732	1224	WannaCry.exe	91
PID 1224 wrote to memory of 3732	1224	WannaCry.exe	91
PID 1224 wrote to memory of 4700	1224	WannaCry.exe	92
PID 1224 wrote to memory of 4700	1224	WannaCry.exe	92
PID 1224 wrote to memory of 4700	1224	WannaCry.exe	92
PID 4700 wrote to memory of 4908	4700	cmd.exe	94
PID 4700 wrote to memory of 4908	4700	cmd.exe	94
PID 4700 wrote to memory of 4908	4700	cmd.exe	94
PID 1224 wrote to memory of 1040	1224	WannaCry.exe	95
PID 1224 wrote to memory of 1040	1224	WannaCry.exe	95
PID 1224 wrote to memory of 1040	1224	WannaCry.exe	95
PID 4908 wrote to memory of 240	4908	!WannaDecryptor!.exe	97
PID 4908 wrote to memory of 240	4908	!WannaDecryptor!.exe	97
PID 4908 wrote to memory of 240	4908	!WannaDecryptor!.exe	97
PID 240 wrote to memory of 3740	240	cmd.exe	99
PID 240 wrote to memory of 3740	240	cmd.exe	99
PID 240 wrote to memory of 3740	240	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\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:1224
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 118661738174618.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4108
- 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:1460
- 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:3168
- 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:4840
- 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:4996
- 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:4220
- 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:3732
- 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:4700
- - 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: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⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:240
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:3740
- 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:1040

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3932

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.lnk

Filesize
1KB

MD5
13ca9caf5f4598981592e4a0b7263517

SHA1
151ba34ec4dc5b399d243ae6ea63a7ecbac6bc27

SHA256
15f67c960fa423951dc3aafed4861520eabe62e659add8b146a89d8e773ba7e4

SHA512
9a9543b98ee746800b266dc8dccedf433ecb7b42ed3bc019ce0d0525f9dfdfa61f6b4ff9585f6a6669d7e98bf63ac632924b2f8530aea5994d65104efc55d624

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

Filesize
136B

MD5
78b0af7bde1d614d8343335915c635a1

SHA1
2473d1ee29c167a8328ea8f4589a202e643c9fbe

SHA256
caa3fa5443ec5393d9b925fa7a1a301e1fca03ab5fa9e86d567fb7cf85f26692

SHA512
6265d36b9cdcaba20179b8215442fb6c735c5dbd38bc2d5eca73facf2d3bebe30b741d29bb023055fa9d0c4044c4ff0d1529b0faba6cac57681cd35b8c8d16ef

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

Filesize
136B

MD5
4f41766ab137815f111225b2f6ca82f2

SHA1
5c2aa6a9086de24059acb8de59539821d71d9df4

SHA256
fb787e6fc462ade17ed5be25a864dbaa2e6aee4f0e1a720ff771aaa8bd6ae05b

SHA512
ee7eb57856493e54224dd2a91b02e03743daf71cad6154384df129f1e08e85eacbeeaf47f01992734b62a9db2cfd9e05fbf4e6802b4c657ec80e0afe825eb0e4

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

Filesize
136B

MD5
01cebdc2bdaf5998d8fc53b997d26922

SHA1
6a969da7f86a1b1ba2a447508cdeafe2bf77d2dd

SHA256
4a4d226851fddea320dde2aee37342a9c5d6263510468f06b0035de409f2ac78

SHA512
176b9ae95ebe88d5a9ca1662e678572cc17eb5579bf629be47922bc877a1f8e6eb18f1de463625f9e609b8170ff0bf64303d62009c3d536407bab3a47de721de

Download Submit
C:\Users\Admin\AppData\Local\Temp\118661738174618.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
b0ec52c00cf12bf9323763a09c32c845

SHA1
d16a2af9b81dcf68bf3acb53f1b666956cef6a1a

SHA256
ce1f84ba546788dd0e98175c3f9c868c1f8508b806bb451e8be0778190da99be

SHA512
20c1598bf573814ecd440b84a47cb3d31a29f11ca0e5cbb5f60f74f2029adfdafaa29a0a9fc5911b275badcea009b06b33cead52b47957cac9014dcb42b1b5a3

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/1224-6-0x0000000010000000-0x0000000010012000-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