wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Analysis

max time kernel
148s
max time network
155s
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 04:41

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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\~SDC77A.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDC7A1.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
3804	!WannaDecryptor!.exe
3484	!WannaDecryptor!.exe
1496	!WannaDecryptor!.exe
2792	!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-1-5-21-493223053-2004649691-1575712786-1000\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	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WannaCry.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	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	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	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe

Kills process with taskkill 4 IoCs

evasion

pid	Process
1628	taskkill.exe
2944	taskkill.exe
2316	taskkill.exe
1536	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	1536	taskkill.exe
Token: SeDebugPrivilege	1628	taskkill.exe
Token: SeDebugPrivilege	2944	taskkill.exe
Token: SeDebugPrivilege	2316	taskkill.exe
Token: SeIncreaseQuotaPrivilege	2616	WMIC.exe
Token: SeSecurityPrivilege	2616	WMIC.exe
Token: SeTakeOwnershipPrivilege	2616	WMIC.exe
Token: SeLoadDriverPrivilege	2616	WMIC.exe
Token: SeSystemProfilePrivilege	2616	WMIC.exe
Token: SeSystemtimePrivilege	2616	WMIC.exe
Token: SeProfSingleProcessPrivilege	2616	WMIC.exe
Token: SeIncBasePriorityPrivilege	2616	WMIC.exe
Token: SeCreatePagefilePrivilege	2616	WMIC.exe
Token: SeBackupPrivilege	2616	WMIC.exe
Token: SeRestorePrivilege	2616	WMIC.exe
Token: SeShutdownPrivilege	2616	WMIC.exe
Token: SeDebugPrivilege	2616	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2616	WMIC.exe
Token: SeRemoteShutdownPrivilege	2616	WMIC.exe
Token: SeUndockPrivilege	2616	WMIC.exe
Token: SeManageVolumePrivilege	2616	WMIC.exe
Token: 33	2616	WMIC.exe
Token: 34	2616	WMIC.exe
Token: 35	2616	WMIC.exe
Token: 36	2616	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2616	WMIC.exe
Token: SeSecurityPrivilege	2616	WMIC.exe
Token: SeTakeOwnershipPrivilege	2616	WMIC.exe
Token: SeLoadDriverPrivilege	2616	WMIC.exe
Token: SeSystemProfilePrivilege	2616	WMIC.exe
Token: SeSystemtimePrivilege	2616	WMIC.exe
Token: SeProfSingleProcessPrivilege	2616	WMIC.exe
Token: SeIncBasePriorityPrivilege	2616	WMIC.exe
Token: SeCreatePagefilePrivilege	2616	WMIC.exe
Token: SeBackupPrivilege	2616	WMIC.exe
Token: SeRestorePrivilege	2616	WMIC.exe
Token: SeShutdownPrivilege	2616	WMIC.exe
Token: SeDebugPrivilege	2616	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2616	WMIC.exe
Token: SeRemoteShutdownPrivilege	2616	WMIC.exe
Token: SeUndockPrivilege	2616	WMIC.exe
Token: SeManageVolumePrivilege	2616	WMIC.exe
Token: 33	2616	WMIC.exe
Token: 34	2616	WMIC.exe
Token: 35	2616	WMIC.exe
Token: 36	2616	WMIC.exe
Token: SeBackupPrivilege	3164	vssvc.exe
Token: SeRestorePrivilege	3164	vssvc.exe
Token: SeAuditPrivilege	3164	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3804	!WannaDecryptor!.exe
3804	!WannaDecryptor!.exe
3484	!WannaDecryptor!.exe
3484	!WannaDecryptor!.exe
1496	!WannaDecryptor!.exe
1496	!WannaDecryptor!.exe
2792	!WannaDecryptor!.exe
2792	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 2380	5092	WannaCry.exe	85
PID 5092 wrote to memory of 2380	5092	WannaCry.exe	85
PID 5092 wrote to memory of 2380	5092	WannaCry.exe	85
PID 2380 wrote to memory of 2700	2380	cmd.exe	87
PID 2380 wrote to memory of 2700	2380	cmd.exe	87
PID 2380 wrote to memory of 2700	2380	cmd.exe	87
PID 5092 wrote to memory of 3804	5092	WannaCry.exe	88
PID 5092 wrote to memory of 3804	5092	WannaCry.exe	88
PID 5092 wrote to memory of 3804	5092	WannaCry.exe	88
PID 5092 wrote to memory of 1628	5092	WannaCry.exe	90
PID 5092 wrote to memory of 1628	5092	WannaCry.exe	90
PID 5092 wrote to memory of 1628	5092	WannaCry.exe	90
PID 5092 wrote to memory of 1536	5092	WannaCry.exe	91
PID 5092 wrote to memory of 1536	5092	WannaCry.exe	91
PID 5092 wrote to memory of 1536	5092	WannaCry.exe	91
PID 5092 wrote to memory of 2316	5092	WannaCry.exe	92
PID 5092 wrote to memory of 2316	5092	WannaCry.exe	92
PID 5092 wrote to memory of 2316	5092	WannaCry.exe	92
PID 5092 wrote to memory of 2944	5092	WannaCry.exe	93
PID 5092 wrote to memory of 2944	5092	WannaCry.exe	93
PID 5092 wrote to memory of 2944	5092	WannaCry.exe	93
PID 5092 wrote to memory of 3484	5092	WannaCry.exe	100
PID 5092 wrote to memory of 3484	5092	WannaCry.exe	100
PID 5092 wrote to memory of 3484	5092	WannaCry.exe	100
PID 5092 wrote to memory of 4376	5092	WannaCry.exe	101
PID 5092 wrote to memory of 4376	5092	WannaCry.exe	101
PID 5092 wrote to memory of 4376	5092	WannaCry.exe	101
PID 4376 wrote to memory of 1496	4376	cmd.exe	103
PID 4376 wrote to memory of 1496	4376	cmd.exe	103
PID 4376 wrote to memory of 1496	4376	cmd.exe	103
PID 5092 wrote to memory of 2792	5092	WannaCry.exe	105
PID 5092 wrote to memory of 2792	5092	WannaCry.exe	105
PID 5092 wrote to memory of 2792	5092	WannaCry.exe	105
PID 1496 wrote to memory of 5036	1496	!WannaDecryptor!.exe	113
PID 1496 wrote to memory of 5036	1496	!WannaDecryptor!.exe	113
PID 1496 wrote to memory of 5036	1496	!WannaDecryptor!.exe	113
PID 5036 wrote to memory of 2616	5036	cmd.exe	115
PID 5036 wrote to memory of 2616	5036	cmd.exe	115
PID 5036 wrote to memory of 2616	5036	cmd.exe	115

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:5092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 61521732941701.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2700
- 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:3804
- 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:1628
- 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:1536
- 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:2316
- 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:2944
- 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:3484
- 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:4376
- - 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:1496
  - - 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:5036
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:2616
- 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:2792

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3164

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
7d0b0ecb07de46de599cff1f4ea4ad44

SHA1
615f1cb544285914675702ef97d3b8d4a6ed4921

SHA256
01a9ab84b989e773f71b0fdf5b2862e0159a00be7bdf907f2e49b3402bf356d8

SHA512
9e4aeb9f38f73fc611ac777a684d8d4d89f055cf05aab0c5df442cc7e0eb5292be8b078c0cc6c54f44d77f1b6880275410d3186c807b1c25e5a18da05f571bf3

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

Filesize
136B

MD5
6b8c9b29459227f2107a2b79a554153b

SHA1
18199c442e7bdc7152d6aafc4ade529a4d4847e5

SHA256
8d1a7711c3bbdaad54ad818f02d2ad354846e8e9b1995395a29ac76e109baca2

SHA512
bb0e68f932f036c4ff5995a8e49dcbfad6b9422d97098bf7e31d3d42f10099f7ab75d2e78f6f6b8a790008d17a4f1fdd65957aa2fadc656e7db53ebbdfde3b2c

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

Filesize
136B

MD5
49399ba810e5f9e62affec50dc40e3d9

SHA1
60fac499a285e5102da080628df10285c318053c

SHA256
513b481204f165d14af4cf3cceab677b47a7dc539b6216cf7b97bcddd636146c

SHA512
0d7d1a34be18eeddf5f2208db8fb0745525c30ea28a90ee8be58b3e22191090cd05b9e79c68c95af79adb708b3b21abf5d273405a6e7a77131d3f70e518d8548

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

Filesize
136B

MD5
beaf1578d61f03b4413334004bfb2a35

SHA1
e192f7a97652335a0de2d1e585025863c0c67ecc

SHA256
6078c8b5fac2c250d9537c5a98f550001c0df6107f276e2a9b58cf603f7cf46a

SHA512
922aa3452929f49985077e5fc3a85c2ede47c46c8ad16b02b7db689197d00a0656279ead8812d1c0126c92c3081aed2cf7a13957e208d2144d049e80ff34219d

Download Submit
C:\Users\Admin\AppData\Local\Temp\61521732941701.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
01b674e57653f1dddff50d69a2442e0e

SHA1
744070b0295ccf1abd51f0a3d3a031c3704453a9

SHA256
9f1987d440e2c866e3b5f174d43c6ba646202f198cfeb8c3b1c66862249fb6ee

SHA512
f4027cf29c3d0fecf6a40994d65cc50667efd4325c769b4784961499a46ef11961bf08f31caa9fbe0e151c1f14cc29f02d080583685486bb9183bb675b927072

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

Filesize
628B

MD5
663e55df21852bc8870b86bc38e58262

SHA1
1c691bf030ecfce78a9476fbdef3afe61724e6a9

SHA256
bf22e8e18db1638673f47591a13d18ee58d8c6019314bab5a90be82ae3dc9538

SHA512
6a54be1fa549633a2fd888c559207437b8f6efda98bb18d491c8749f39e9754f1e680fa8e2d623777b5f665b2c04d19385c75ce4e61fb251db16018963a9a6f9

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/5092-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads