wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

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06-08-2024 18:54

240806-xkfalsxckp 10

06-08-2024 15:17

06-08-2024 15:16

06-08-2024 15:15

06-08-2024 14:54

06-08-2024 01:49

Analysis

max time kernel
67s
max time network
68s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2024 15:15

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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
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\~SD9B0E.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD9B15.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
4848	!WannaDecryptor!.exe
1528	!WannaDecryptor!.exe
1292	!WannaDecryptor!.exe
392	!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

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-1-5-21-2392887640-1187051047-2909758433-1000\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	!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	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	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WannaCry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 4 IoCs

evasion

pid	Process
5048	taskkill.exe
4016	taskkill.exe
1688	taskkill.exe
1916	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	4016	taskkill.exe
Token: SeDebugPrivilege	1916	taskkill.exe
Token: SeDebugPrivilege	1688	taskkill.exe
Token: SeDebugPrivilege	5048	taskkill.exe
Token: SeIncreaseQuotaPrivilege	1360	WMIC.exe
Token: SeSecurityPrivilege	1360	WMIC.exe
Token: SeTakeOwnershipPrivilege	1360	WMIC.exe
Token: SeLoadDriverPrivilege	1360	WMIC.exe
Token: SeSystemProfilePrivilege	1360	WMIC.exe
Token: SeSystemtimePrivilege	1360	WMIC.exe
Token: SeProfSingleProcessPrivilege	1360	WMIC.exe
Token: SeIncBasePriorityPrivilege	1360	WMIC.exe
Token: SeCreatePagefilePrivilege	1360	WMIC.exe
Token: SeBackupPrivilege	1360	WMIC.exe
Token: SeRestorePrivilege	1360	WMIC.exe
Token: SeShutdownPrivilege	1360	WMIC.exe
Token: SeDebugPrivilege	1360	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1360	WMIC.exe
Token: SeRemoteShutdownPrivilege	1360	WMIC.exe
Token: SeUndockPrivilege	1360	WMIC.exe
Token: SeManageVolumePrivilege	1360	WMIC.exe
Token: 33	1360	WMIC.exe
Token: 34	1360	WMIC.exe
Token: 35	1360	WMIC.exe
Token: 36	1360	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1360	WMIC.exe
Token: SeSecurityPrivilege	1360	WMIC.exe
Token: SeTakeOwnershipPrivilege	1360	WMIC.exe
Token: SeLoadDriverPrivilege	1360	WMIC.exe
Token: SeSystemProfilePrivilege	1360	WMIC.exe
Token: SeSystemtimePrivilege	1360	WMIC.exe
Token: SeProfSingleProcessPrivilege	1360	WMIC.exe
Token: SeIncBasePriorityPrivilege	1360	WMIC.exe
Token: SeCreatePagefilePrivilege	1360	WMIC.exe
Token: SeBackupPrivilege	1360	WMIC.exe
Token: SeRestorePrivilege	1360	WMIC.exe
Token: SeShutdownPrivilege	1360	WMIC.exe
Token: SeDebugPrivilege	1360	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1360	WMIC.exe
Token: SeRemoteShutdownPrivilege	1360	WMIC.exe
Token: SeUndockPrivilege	1360	WMIC.exe
Token: SeManageVolumePrivilege	1360	WMIC.exe
Token: 33	1360	WMIC.exe
Token: 34	1360	WMIC.exe
Token: 35	1360	WMIC.exe
Token: 36	1360	WMIC.exe
Token: SeBackupPrivilege	1232	vssvc.exe
Token: SeRestorePrivilege	1232	vssvc.exe
Token: SeAuditPrivilege	1232	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4848	!WannaDecryptor!.exe
4848	!WannaDecryptor!.exe
1528	!WannaDecryptor!.exe
1528	!WannaDecryptor!.exe
1292	!WannaDecryptor!.exe
1292	!WannaDecryptor!.exe
392	!WannaDecryptor!.exe
392	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 3888	2280	WannaCry.exe	83
PID 2280 wrote to memory of 3888	2280	WannaCry.exe	83
PID 2280 wrote to memory of 3888	2280	WannaCry.exe	83
PID 3888 wrote to memory of 4916	3888	cmd.exe	86
PID 3888 wrote to memory of 4916	3888	cmd.exe	86
PID 3888 wrote to memory of 4916	3888	cmd.exe	86
PID 2280 wrote to memory of 4848	2280	WannaCry.exe	89
PID 2280 wrote to memory of 4848	2280	WannaCry.exe	89
PID 2280 wrote to memory of 4848	2280	WannaCry.exe	89
PID 2280 wrote to memory of 5048	2280	WannaCry.exe	90
PID 2280 wrote to memory of 5048	2280	WannaCry.exe	90
PID 2280 wrote to memory of 5048	2280	WannaCry.exe	90
PID 2280 wrote to memory of 1916	2280	WannaCry.exe	91
PID 2280 wrote to memory of 1916	2280	WannaCry.exe	91
PID 2280 wrote to memory of 1916	2280	WannaCry.exe	91
PID 2280 wrote to memory of 1688	2280	WannaCry.exe	92
PID 2280 wrote to memory of 1688	2280	WannaCry.exe	92
PID 2280 wrote to memory of 1688	2280	WannaCry.exe	92
PID 2280 wrote to memory of 4016	2280	WannaCry.exe	93
PID 2280 wrote to memory of 4016	2280	WannaCry.exe	93
PID 2280 wrote to memory of 4016	2280	WannaCry.exe	93
PID 2280 wrote to memory of 1528	2280	WannaCry.exe	100
PID 2280 wrote to memory of 1528	2280	WannaCry.exe	100
PID 2280 wrote to memory of 1528	2280	WannaCry.exe	100
PID 2280 wrote to memory of 1912	2280	WannaCry.exe	101
PID 2280 wrote to memory of 1912	2280	WannaCry.exe	101
PID 2280 wrote to memory of 1912	2280	WannaCry.exe	101
PID 1912 wrote to memory of 1292	1912	cmd.exe	103
PID 1912 wrote to memory of 1292	1912	cmd.exe	103
PID 1912 wrote to memory of 1292	1912	cmd.exe	103
PID 2280 wrote to memory of 392	2280	WannaCry.exe	104
PID 2280 wrote to memory of 392	2280	WannaCry.exe	104
PID 2280 wrote to memory of 392	2280	WannaCry.exe	104
PID 1292 wrote to memory of 4804	1292	!WannaDecryptor!.exe	106
PID 1292 wrote to memory of 4804	1292	!WannaDecryptor!.exe	106
PID 1292 wrote to memory of 4804	1292	!WannaDecryptor!.exe	106
PID 4804 wrote to memory of 1360	4804	cmd.exe	108
PID 4804 wrote to memory of 1360	4804	cmd.exe	108
PID 4804 wrote to memory of 1360	4804	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:2280
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 88181722957321.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3888
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4916
- 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:4848
- 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:5048
- 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:1916
- 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:1688
- 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:4016
- 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:1528
- 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:1912
- - 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:1292
  - - 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:4804
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:1360
- 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:392

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1232

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

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
cdd8efce3559cb44808ca7f01b4373b2

SHA1
2011ed10f28f4faae222853f1c3706e35c938002

SHA256
6e287685a9e1b87c10c136fc7df4ec996d6ae046a65aae5bac5869e3e6130260

SHA512
626e8b9e43a52f14894169583a4cc7938c3a3afcfa9d1e8401909d545ef36732804f6eed9dd9daa52fd50270310a0b3a48f05d77879f53b4cc0363fd51909f68

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

Filesize
136B

MD5
3c944beca9e2c749f207faf89338a587

SHA1
4fb13b67b9bbb32185e449933a7e0053f1219d40

SHA256
b1d84ab58a6045a9c0f22cd864bd3744b1f5971b8e675452b5c82c71aa9dc8de

SHA512
264cb16ecd78b3c83ee51806fc7272498c749f0d20454d885895347b8b1fd44853fc40aa38fc35b4ec363f6854fa52d3ab795549262c5b6ae5a4eddf7086e7d6

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

Filesize
136B

MD5
7c56dd4099bcfa350cc10344c265ebed

SHA1
90059c8cfa6481dfea6c79a740b62be8d0ea9695

SHA256
5289275f5ae4f5e8aed55f273d1ba180e6cff73a4ed6662592432c10122ee15d

SHA512
f781240ddd3b95ed33a29f61a73a6bcdbad7c8389ad2333f3601d8cc469d78f3ec19792e52a028c91cf07857b8ba6c3d1bc64a6e45ac4344661af01db0b2256d

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

Filesize
136B

MD5
f18ea406af225c2667a0a2309cee0d6c

SHA1
b8d9c6661188930d2b2f31fa193cb868e5c60e6a

SHA256
e528a5343352ce381e2d7b11aaaf851f7b1e637f48a320b09334de58dc96aec6

SHA512
e79c1b1a2af291334daf08fb006dc72de0ca4c21b9a10056402938d28e7948b4e1fdc6ec4b9c8324b1eecdcde1108fb86c22ea8d2914112d64dd92a182a937a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\88181722957321.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
bd6a1d180cfacda548fb260c260dc8b2

SHA1
f5d0bfbf59969195e25dbcc006b086728c0d74d5

SHA256
b761dd3543f7824844abc909568c81ac1bf23f1cd8f4edbff2f0ca05a546f1ae

SHA512
2eb20985955561faaef1ca075a824efc1722b35d1a6f7a208c3d41df48ef137077e32161376963eaf248819bdeff2eea4ec0d5eee8ec350ac051ab64cd5ce6c9

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

Filesize
42KB

MD5
980b08bac152aff3f9b0136b616affa5

SHA1
2a9c9601ea038f790cc29379c79407356a3d25a3

SHA256
402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

SHA512
100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

Download Submit
memory/2280-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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