wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
146s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 03:01

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General

Target

be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.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 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\~SD49D7.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD49EE.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
4552	!WannaDecryptor!.exe
2424	!WannaDecryptor!.exe
2884	!WannaDecryptor!.exe
2392	!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\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r"	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.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-1-5-21-711569230-3659488422-571408806-1000\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

Kills process with taskkill 4 IoCs

evasion

pid	Process
4012	taskkill.exe
3376	taskkill.exe
2800	taskkill.exe
4652	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	4012	taskkill.exe
Token: SeDebugPrivilege	2800	taskkill.exe
Token: SeDebugPrivilege	4652	taskkill.exe
Token: SeDebugPrivilege	3376	taskkill.exe
Token: SeIncreaseQuotaPrivilege	640	WMIC.exe
Token: SeSecurityPrivilege	640	WMIC.exe
Token: SeTakeOwnershipPrivilege	640	WMIC.exe
Token: SeLoadDriverPrivilege	640	WMIC.exe
Token: SeSystemProfilePrivilege	640	WMIC.exe
Token: SeSystemtimePrivilege	640	WMIC.exe
Token: SeProfSingleProcessPrivilege	640	WMIC.exe
Token: SeIncBasePriorityPrivilege	640	WMIC.exe
Token: SeCreatePagefilePrivilege	640	WMIC.exe
Token: SeBackupPrivilege	640	WMIC.exe
Token: SeRestorePrivilege	640	WMIC.exe
Token: SeShutdownPrivilege	640	WMIC.exe
Token: SeDebugPrivilege	640	WMIC.exe
Token: SeSystemEnvironmentPrivilege	640	WMIC.exe
Token: SeRemoteShutdownPrivilege	640	WMIC.exe
Token: SeUndockPrivilege	640	WMIC.exe
Token: SeManageVolumePrivilege	640	WMIC.exe
Token: 33	640	WMIC.exe
Token: 34	640	WMIC.exe
Token: 35	640	WMIC.exe
Token: 36	640	WMIC.exe
Token: SeIncreaseQuotaPrivilege	640	WMIC.exe
Token: SeSecurityPrivilege	640	WMIC.exe
Token: SeTakeOwnershipPrivilege	640	WMIC.exe
Token: SeLoadDriverPrivilege	640	WMIC.exe
Token: SeSystemProfilePrivilege	640	WMIC.exe
Token: SeSystemtimePrivilege	640	WMIC.exe
Token: SeProfSingleProcessPrivilege	640	WMIC.exe
Token: SeIncBasePriorityPrivilege	640	WMIC.exe
Token: SeCreatePagefilePrivilege	640	WMIC.exe
Token: SeBackupPrivilege	640	WMIC.exe
Token: SeRestorePrivilege	640	WMIC.exe
Token: SeShutdownPrivilege	640	WMIC.exe
Token: SeDebugPrivilege	640	WMIC.exe
Token: SeSystemEnvironmentPrivilege	640	WMIC.exe
Token: SeRemoteShutdownPrivilege	640	WMIC.exe
Token: SeUndockPrivilege	640	WMIC.exe
Token: SeManageVolumePrivilege	640	WMIC.exe
Token: 33	640	WMIC.exe
Token: 34	640	WMIC.exe
Token: 35	640	WMIC.exe
Token: 36	640	WMIC.exe
Token: SeBackupPrivilege	4372	vssvc.exe
Token: SeRestorePrivilege	4372	vssvc.exe
Token: SeAuditPrivilege	4372	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4552	!WannaDecryptor!.exe
4552	!WannaDecryptor!.exe
2424	!WannaDecryptor!.exe
2424	!WannaDecryptor!.exe
2884	!WannaDecryptor!.exe
2884	!WannaDecryptor!.exe
2392	!WannaDecryptor!.exe
2392	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 4036	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	84
PID 4140 wrote to memory of 4036	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	84
PID 4140 wrote to memory of 4036	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	84
PID 4036 wrote to memory of 5008	4036	cmd.exe	86
PID 4036 wrote to memory of 5008	4036	cmd.exe	86
PID 4036 wrote to memory of 5008	4036	cmd.exe	86
PID 4140 wrote to memory of 4552	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 4140 wrote to memory of 4552	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 4140 wrote to memory of 4552	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 4140 wrote to memory of 4012	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 4140 wrote to memory of 4012	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 4140 wrote to memory of 4012	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 4140 wrote to memory of 4652	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 4140 wrote to memory of 4652	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 4140 wrote to memory of 4652	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 4140 wrote to memory of 2800	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 4140 wrote to memory of 2800	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 4140 wrote to memory of 2800	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 4140 wrote to memory of 3376	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 4140 wrote to memory of 3376	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 4140 wrote to memory of 3376	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 4140 wrote to memory of 2424	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 4140 wrote to memory of 2424	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 4140 wrote to memory of 2424	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 4140 wrote to memory of 4460	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	108
PID 4140 wrote to memory of 4460	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	108
PID 4140 wrote to memory of 4460	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	108
PID 4460 wrote to memory of 2884	4460	cmd.exe	110
PID 4460 wrote to memory of 2884	4460	cmd.exe	110
PID 4460 wrote to memory of 2884	4460	cmd.exe	110
PID 4140 wrote to memory of 2392	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	114
PID 4140 wrote to memory of 2392	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	114
PID 4140 wrote to memory of 2392	4140	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	114
PID 2884 wrote to memory of 4956	2884	!WannaDecryptor!.exe	115
PID 2884 wrote to memory of 4956	2884	!WannaDecryptor!.exe	115
PID 2884 wrote to memory of 4956	2884	!WannaDecryptor!.exe	115
PID 4956 wrote to memory of 640	4956	cmd.exe	117
PID 4956 wrote to memory of 640	4956	cmd.exe	117
PID 4956 wrote to memory of 640	4956	cmd.exe	117

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\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 63871715396523.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4036
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:5008
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4552
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4012
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4652
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3376
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2424
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2884
  - - 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⤵
      Suspicious use of WriteProcessMemory
      PID:4956
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:640
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:2392

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4372

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

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
0c58c1bcd654e3d15685229fc1782c3f

SHA1
956e9020a58dee2741d88036353500cf6bac7f58

SHA256
fe42219ba8b73c843b66b487621b534982a9db009400a46000a265ff8fe66037

SHA512
2d2e69f4a32efd74782de46738bc47835edb7a5cb7b196e7eab2848d4f7cba6e3e93caedcd655d3ed9d8125d5f6e565be38d1d06b5facff84ed78b59c9fa5cec

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

Filesize
136B

MD5
f6ed5605b94ab98361a5976239b11cbe

SHA1
d39f69030a7b32d206395962620cc29055227de3

SHA256
d4bdf416dd97098911df7fcb5dda36c87fedbbbae8799f8fe2ba1d06713da307

SHA512
cfabed1c044ba4f4d3bda94155bef0be2b99c2bf6b0d39bac054c181fccd4ac91c1c10b8896310df5041f829c19b516d37919d1ba9b03fa95d8d26a2234b8ab7

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

Filesize
136B

MD5
a00203be5a2159da83ea1ba9dffa3d84

SHA1
1691a074e618ef8ad0799f21e452912897c09ddf

SHA256
26a6ecac8faab7b58cadb69c9a08196aacc8fe0b05b195b79d90e6e5a92d2eb3

SHA512
76c9d26cfb31f718ba44b3d47bccc0bd479b664f24d8ef21150f17d6787ac0a7b733eb28595b78beef47ae8fe60d96fc27022eb28ca5836b206709f6c86366e6

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

Filesize
136B

MD5
618a7dc4ed7ce85c2a311041e6378ad3

SHA1
cc0615224dad181f8fdc6a0811ef6286d3558066

SHA256
3cabdd99ace8c0738fa44c044dc0c379b0cf377d283b4212554090177c1821ec

SHA512
d62a4ca2f4ea87ac56e6351d35a7a3ec08625eea24786aa961753a3ef4197b41286f32b49b7d3217507e2bdb6473c197b0c4e6af225edffa5bcabc74ba978f0d

Download Submit
C:\Users\Admin\AppData\Local\Temp\63871715396523.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
e62f5c80c82ccd91bc104815895ef3b6

SHA1
1220ba1f605ce9834bc926901dac33cee33befcd

SHA256
dbc489357dce362629eafbc46cb6c3c450705b4e329bc54d7320340b360dd988

SHA512
8c8fc6132c072f348e00919b9c261af1de1109ffd1eb73c61418252fe3669950fe517ae593af3a11e7f570a2c1b66b0d93e8a475fd0b013bc1d950ffc60f72ea

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/4140-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads