wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Analysis

max time kernel
148s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2025 15:21

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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\~SDD414.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDD41B.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
4420	!WannaDecryptor!.exe
4744	!WannaDecryptor!.exe
1864	!WannaDecryptor!.exe
3476	!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-1-5-21-2211717155-842865201-3404093980-1000\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	!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	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	!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	WannaCry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe

Kills process with taskkill 4 IoCs

defense_evasion

pid	Process
2796	taskkill.exe
3432	taskkill.exe
1524	taskkill.exe
2976	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	3432	taskkill.exe
Token: SeDebugPrivilege	1524	taskkill.exe
Token: SeDebugPrivilege	2796	taskkill.exe
Token: SeDebugPrivilege	2976	taskkill.exe
Token: SeIncreaseQuotaPrivilege	1428	WMIC.exe
Token: SeSecurityPrivilege	1428	WMIC.exe
Token: SeTakeOwnershipPrivilege	1428	WMIC.exe
Token: SeLoadDriverPrivilege	1428	WMIC.exe
Token: SeSystemProfilePrivilege	1428	WMIC.exe
Token: SeSystemtimePrivilege	1428	WMIC.exe
Token: SeProfSingleProcessPrivilege	1428	WMIC.exe
Token: SeIncBasePriorityPrivilege	1428	WMIC.exe
Token: SeCreatePagefilePrivilege	1428	WMIC.exe
Token: SeBackupPrivilege	1428	WMIC.exe
Token: SeRestorePrivilege	1428	WMIC.exe
Token: SeShutdownPrivilege	1428	WMIC.exe
Token: SeDebugPrivilege	1428	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1428	WMIC.exe
Token: SeRemoteShutdownPrivilege	1428	WMIC.exe
Token: SeUndockPrivilege	1428	WMIC.exe
Token: SeManageVolumePrivilege	1428	WMIC.exe
Token: 33	1428	WMIC.exe
Token: 34	1428	WMIC.exe
Token: 35	1428	WMIC.exe
Token: 36	1428	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1428	WMIC.exe
Token: SeSecurityPrivilege	1428	WMIC.exe
Token: SeTakeOwnershipPrivilege	1428	WMIC.exe
Token: SeLoadDriverPrivilege	1428	WMIC.exe
Token: SeSystemProfilePrivilege	1428	WMIC.exe
Token: SeSystemtimePrivilege	1428	WMIC.exe
Token: SeProfSingleProcessPrivilege	1428	WMIC.exe
Token: SeIncBasePriorityPrivilege	1428	WMIC.exe
Token: SeCreatePagefilePrivilege	1428	WMIC.exe
Token: SeBackupPrivilege	1428	WMIC.exe
Token: SeRestorePrivilege	1428	WMIC.exe
Token: SeShutdownPrivilege	1428	WMIC.exe
Token: SeDebugPrivilege	1428	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1428	WMIC.exe
Token: SeRemoteShutdownPrivilege	1428	WMIC.exe
Token: SeUndockPrivilege	1428	WMIC.exe
Token: SeManageVolumePrivilege	1428	WMIC.exe
Token: 33	1428	WMIC.exe
Token: 34	1428	WMIC.exe
Token: 35	1428	WMIC.exe
Token: 36	1428	WMIC.exe
Token: SeBackupPrivilege	1400	vssvc.exe
Token: SeRestorePrivilege	1400	vssvc.exe
Token: SeAuditPrivilege	1400	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4420	!WannaDecryptor!.exe
4420	!WannaDecryptor!.exe
4744	!WannaDecryptor!.exe
4744	!WannaDecryptor!.exe
1864	!WannaDecryptor!.exe
1864	!WannaDecryptor!.exe
3476	!WannaDecryptor!.exe
3476	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 2344	3076	WannaCry.exe	83
PID 3076 wrote to memory of 2344	3076	WannaCry.exe	83
PID 3076 wrote to memory of 2344	3076	WannaCry.exe	83
PID 2344 wrote to memory of 3100	2344	cmd.exe	85
PID 2344 wrote to memory of 3100	2344	cmd.exe	85
PID 2344 wrote to memory of 3100	2344	cmd.exe	85
PID 3076 wrote to memory of 4420	3076	WannaCry.exe	88
PID 3076 wrote to memory of 4420	3076	WannaCry.exe	88
PID 3076 wrote to memory of 4420	3076	WannaCry.exe	88
PID 3076 wrote to memory of 3432	3076	WannaCry.exe	89
PID 3076 wrote to memory of 3432	3076	WannaCry.exe	89
PID 3076 wrote to memory of 3432	3076	WannaCry.exe	89
PID 3076 wrote to memory of 2796	3076	WannaCry.exe	90
PID 3076 wrote to memory of 2796	3076	WannaCry.exe	90
PID 3076 wrote to memory of 2796	3076	WannaCry.exe	90
PID 3076 wrote to memory of 2976	3076	WannaCry.exe	91
PID 3076 wrote to memory of 2976	3076	WannaCry.exe	91
PID 3076 wrote to memory of 2976	3076	WannaCry.exe	91
PID 3076 wrote to memory of 1524	3076	WannaCry.exe	92
PID 3076 wrote to memory of 1524	3076	WannaCry.exe	92
PID 3076 wrote to memory of 1524	3076	WannaCry.exe	92
PID 3076 wrote to memory of 4744	3076	WannaCry.exe	101
PID 3076 wrote to memory of 4744	3076	WannaCry.exe	101
PID 3076 wrote to memory of 4744	3076	WannaCry.exe	101
PID 3076 wrote to memory of 448	3076	WannaCry.exe	102
PID 3076 wrote to memory of 448	3076	WannaCry.exe	102
PID 3076 wrote to memory of 448	3076	WannaCry.exe	102
PID 448 wrote to memory of 1864	448	cmd.exe	104
PID 448 wrote to memory of 1864	448	cmd.exe	104
PID 448 wrote to memory of 1864	448	cmd.exe	104
PID 3076 wrote to memory of 3476	3076	WannaCry.exe	105
PID 3076 wrote to memory of 3476	3076	WannaCry.exe	105
PID 3076 wrote to memory of 3476	3076	WannaCry.exe	105
PID 1864 wrote to memory of 2016	1864	!WannaDecryptor!.exe	106
PID 1864 wrote to memory of 2016	1864	!WannaDecryptor!.exe	106
PID 1864 wrote to memory of 2016	1864	!WannaDecryptor!.exe	106
PID 2016 wrote to memory of 1428	2016	cmd.exe	108
PID 2016 wrote to memory of 1428	2016	cmd.exe	108
PID 2016 wrote to memory of 1428	2016	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:3076
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 235021738164087.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3100
- 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:4420
- 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:3432
- 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:2796
- 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:2976
- 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:1524
- 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:4744
- 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:448
- - 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:1864
  - - 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:2016
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:1428
- 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:3476

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\!Please Read Me!.txt
1⤵
PID:4820

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1400

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
76396d88c8d377d65c74e25d8eca732c

SHA1
e7a237c09d3ebed9eb18eba830023667d9854b91

SHA256
796d1e59e236afcfbbdde1ca42555416dbaec49b11663a7e10ebe3e8b1143659

SHA512
b3fa6a69f3cbc4fcb1276dbf791ba32c1bd95eaafc026c63a4d4c60639f32c5ddab59a4f5784ba7dd8f7dea942c1863c265ed91a605fc5185f4d01492f9390d1

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

Filesize
136B

MD5
b7d216b669440d4511cdafdd9255b575

SHA1
cfe2948795a18c2c497bbda9f892509df9d8c931

SHA256
13e9aafe7c28b93078e51cc09b34c2eab2d4278825f708b99e50bf21b9b26377

SHA512
3494e9f5112b8438ebdc470614f2778fc455c5dac1938067f2e144a83b1c50ff6817df9870eeb21fbcb86faab9a0a3e9da2d0d55e8662dddde5cc8d8a17b9cd5

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

Filesize
136B

MD5
0426fe9676500865370128ff5ba77d20

SHA1
4f731c4c93d965e4433793f060ad1e8969eaa8f0

SHA256
47af03c5ec5ba6c9181133a4eb99f5e677ff113170b3467b2a5c411bf3f79674

SHA512
15f584ea9d9e81e9b4007455f9ee89219a422a61127d63f94859122453113fd2e6c8a774f67372b091a7617403904f8ed606c16931bdc3c5c63bdc0c6531217a

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

Filesize
136B

MD5
24068c6fe8c486dbe1bf5d96abc692a6

SHA1
c488097a7e12c14f5295ff64dc3bfa15e321ae49

SHA256
0fa3b06cb036913678a97412169e678145914bfb25bcd82ce8a295255e373868

SHA512
3a8ae0675919e285487c4c527789feac60f8f4a3725e8917e9fffbd406dc2668087be5080edc9ed472aec8e1bbb718c199a3ee2011955a25b388a04e18c66ebe

Download Submit
C:\Users\Admin\AppData\Local\Temp\235021738164087.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
ae27b027eadfcf0f6c4a2e3e0786f409

SHA1
ce1ba0262fefc7a5ecb0a42c0187336e30315386

SHA256
39a09be8a78581f2f91016ec704acd78007338294598b56f919c1eaf68e0a725

SHA512
1bd2d370e3a4e79a87eac4ce63464640104c60a44c930aedbb5da255869c867a6e69d0aa749deb6c9619ff9904b2c96878fd51fffd670408eceff54175054c8a

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/3076-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads