wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2024 01:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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\~SD95B5.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD95BC.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
3388	!WannaDecryptor!.exe
4040	!WannaDecryptor!.exe
3624	!WannaDecryptor!.exe
936	!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-1-5-21-1194130065-3471212556-1656947724-1000\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	!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	cscript.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	WMIC.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

Kills process with taskkill 4 IoCs

evasion

pid	Process
5088	taskkill.exe
5008	taskkill.exe
4080	taskkill.exe
3448	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	3448	taskkill.exe
Token: SeDebugPrivilege	5008	taskkill.exe
Token: SeDebugPrivilege	4080	taskkill.exe
Token: SeDebugPrivilege	5088	taskkill.exe
Token: SeIncreaseQuotaPrivilege	2572	WMIC.exe
Token: SeSecurityPrivilege	2572	WMIC.exe
Token: SeTakeOwnershipPrivilege	2572	WMIC.exe
Token: SeLoadDriverPrivilege	2572	WMIC.exe
Token: SeSystemProfilePrivilege	2572	WMIC.exe
Token: SeSystemtimePrivilege	2572	WMIC.exe
Token: SeProfSingleProcessPrivilege	2572	WMIC.exe
Token: SeIncBasePriorityPrivilege	2572	WMIC.exe
Token: SeCreatePagefilePrivilege	2572	WMIC.exe
Token: SeBackupPrivilege	2572	WMIC.exe
Token: SeRestorePrivilege	2572	WMIC.exe
Token: SeShutdownPrivilege	2572	WMIC.exe
Token: SeDebugPrivilege	2572	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2572	WMIC.exe
Token: SeRemoteShutdownPrivilege	2572	WMIC.exe
Token: SeUndockPrivilege	2572	WMIC.exe
Token: SeManageVolumePrivilege	2572	WMIC.exe
Token: 33	2572	WMIC.exe
Token: 34	2572	WMIC.exe
Token: 35	2572	WMIC.exe
Token: 36	2572	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2572	WMIC.exe
Token: SeSecurityPrivilege	2572	WMIC.exe
Token: SeTakeOwnershipPrivilege	2572	WMIC.exe
Token: SeLoadDriverPrivilege	2572	WMIC.exe
Token: SeSystemProfilePrivilege	2572	WMIC.exe
Token: SeSystemtimePrivilege	2572	WMIC.exe
Token: SeProfSingleProcessPrivilege	2572	WMIC.exe
Token: SeIncBasePriorityPrivilege	2572	WMIC.exe
Token: SeCreatePagefilePrivilege	2572	WMIC.exe
Token: SeBackupPrivilege	2572	WMIC.exe
Token: SeRestorePrivilege	2572	WMIC.exe
Token: SeShutdownPrivilege	2572	WMIC.exe
Token: SeDebugPrivilege	2572	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2572	WMIC.exe
Token: SeRemoteShutdownPrivilege	2572	WMIC.exe
Token: SeUndockPrivilege	2572	WMIC.exe
Token: SeManageVolumePrivilege	2572	WMIC.exe
Token: 33	2572	WMIC.exe
Token: 34	2572	WMIC.exe
Token: 35	2572	WMIC.exe
Token: 36	2572	WMIC.exe
Token: SeBackupPrivilege	3904	vssvc.exe
Token: SeRestorePrivilege	3904	vssvc.exe
Token: SeAuditPrivilege	3904	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3388	!WannaDecryptor!.exe
3388	!WannaDecryptor!.exe
4040	!WannaDecryptor!.exe
4040	!WannaDecryptor!.exe
3624	!WannaDecryptor!.exe
3624	!WannaDecryptor!.exe
936	!WannaDecryptor!.exe
936	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 4520	2028	WannaCry.exe	83
PID 2028 wrote to memory of 4520	2028	WannaCry.exe	83
PID 2028 wrote to memory of 4520	2028	WannaCry.exe	83
PID 4520 wrote to memory of 1600	4520	cmd.exe	85
PID 4520 wrote to memory of 1600	4520	cmd.exe	85
PID 4520 wrote to memory of 1600	4520	cmd.exe	85
PID 2028 wrote to memory of 3388	2028	WannaCry.exe	89
PID 2028 wrote to memory of 3388	2028	WannaCry.exe	89
PID 2028 wrote to memory of 3388	2028	WannaCry.exe	89
PID 2028 wrote to memory of 5008	2028	WannaCry.exe	90
PID 2028 wrote to memory of 5008	2028	WannaCry.exe	90
PID 2028 wrote to memory of 5008	2028	WannaCry.exe	90
PID 2028 wrote to memory of 4080	2028	WannaCry.exe	91
PID 2028 wrote to memory of 4080	2028	WannaCry.exe	91
PID 2028 wrote to memory of 4080	2028	WannaCry.exe	91
PID 2028 wrote to memory of 3448	2028	WannaCry.exe	92
PID 2028 wrote to memory of 3448	2028	WannaCry.exe	92
PID 2028 wrote to memory of 3448	2028	WannaCry.exe	92
PID 2028 wrote to memory of 5088	2028	WannaCry.exe	93
PID 2028 wrote to memory of 5088	2028	WannaCry.exe	93
PID 2028 wrote to memory of 5088	2028	WannaCry.exe	93
PID 2028 wrote to memory of 4040	2028	WannaCry.exe	106
PID 2028 wrote to memory of 4040	2028	WannaCry.exe	106
PID 2028 wrote to memory of 4040	2028	WannaCry.exe	106
PID 2028 wrote to memory of 4268	2028	WannaCry.exe	107
PID 2028 wrote to memory of 4268	2028	WannaCry.exe	107
PID 2028 wrote to memory of 4268	2028	WannaCry.exe	107
PID 4268 wrote to memory of 3624	4268	cmd.exe	109
PID 4268 wrote to memory of 3624	4268	cmd.exe	109
PID 4268 wrote to memory of 3624	4268	cmd.exe	109
PID 2028 wrote to memory of 936	2028	WannaCry.exe	111
PID 2028 wrote to memory of 936	2028	WannaCry.exe	111
PID 2028 wrote to memory of 936	2028	WannaCry.exe	111
PID 3624 wrote to memory of 1532	3624	!WannaDecryptor!.exe	112
PID 3624 wrote to memory of 1532	3624	!WannaDecryptor!.exe	112
PID 3624 wrote to memory of 1532	3624	!WannaDecryptor!.exe	112
PID 1532 wrote to memory of 2572	1532	cmd.exe	114
PID 1532 wrote to memory of 2572	1532	cmd.exe	114
PID 1532 wrote to memory of 2572	1532	cmd.exe	114

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:2028
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 52451726279031.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4520
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1600
- 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:3388
- 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:5008
- 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:4080
- 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:3448
- 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:5088
- 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:4040
- 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:4268
- - 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:3624
  - - 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:1532
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:2572
- 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:936

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3904

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

Replay Monitor

Loading Replay Monitor...

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
5147e6f9879bcf6fd4df3b1486efa046

SHA1
b9e5a291faf66eb92df1bf744c2308460d96525b

SHA256
776b5dcf541ac0d534d92db5ede1f96b2bb0088acc0dc23aefdc2635892201a5

SHA512
9092f8a3253faf33729a0da68fa0a716dad5e01be0e3ba70e16824242c344b2a66b7e644c7cec484efc5c022aa1fb5e1c73e465d554d2019a73b533f2ecf9afa

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

Filesize
136B

MD5
9211ce8065240ad20ca01c6bc081c346

SHA1
fb2a62e95e8e7e25fff1eca2a443dd6cb555f646

SHA256
a4bb4e4516b0628a73dffdf60455f1f39f9432626a8d159bc3ed60884844236e

SHA512
7d6fc8119b58cbebd0b83d8bb9121325d4a75f8dd3bfef012480200c661733f2c9c5ce19dc49490e85256e723321b2d6dfebb9701b258617e48a6dfd4ed91335

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

Filesize
136B

MD5
37419a4278ffe66b9d4623250226199e

SHA1
c4c46527f70acacfc94a2f13a85c7ad14722475e

SHA256
becb816348904bb7ba03cdb2316fb246957bc0a1db3728e32ac9d3cbde617b39

SHA512
a7725cac8076da15ea8d802c5fe9096e0d949f0cee45ef739a078d7c30752fdbb6eeb0138d37d8c4a3044a80c2dd45cacc58c5a24bc9ad609192a28e23756242

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

Filesize
136B

MD5
1e290241d38f016bdd0e9051bf0cb742

SHA1
2dfbd470aca04df47f689174eeb1565c2304566a

SHA256
c9f7809725931907b0c5d5311480dc8be9670abfda443d58f33919929a9ee23d

SHA512
0b17f0ed7fc578878ca594fc7eee5edbd2b056ec81c4dc48c106929f54b96391aa8f8d968dcb6585aa09802a231ef19e61684946d65ad90dee5ce2bf2b4151a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\52451726279031.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
6a246a6266de1afc936743422de1bcd6

SHA1
6b1aa7e44c3504ae0116b33b31c5a72047154932

SHA256
b32eb1c5b425d0e19d712880070f117f3c4d8f2bc2fad32e84c76689ab083e8c

SHA512
82c76d273c879222369f876f45c3b3d0e5a7942dd919e843b44e3c9554adb0df4d7f75ab75b13362160518e6778053db9537de908d270a4790d519d5aa9105b8

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/2028-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads