wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
150s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 03:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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\~SD6081.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6097.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
2092	!WannaDecryptor!.exe
2848	!WannaDecryptor!.exe
1312	!WannaDecryptor!.exe
4556	!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-1-5-21-2539840389-1261165778-1087677076-1000\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
3484	taskkill.exe
964	taskkill.exe
2868	taskkill.exe
1044	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	2868	taskkill.exe
Token: SeDebugPrivilege	1044	taskkill.exe
Token: SeDebugPrivilege	964	taskkill.exe
Token: SeDebugPrivilege	3484	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4196	WMIC.exe
Token: SeSecurityPrivilege	4196	WMIC.exe
Token: SeTakeOwnershipPrivilege	4196	WMIC.exe
Token: SeLoadDriverPrivilege	4196	WMIC.exe
Token: SeSystemProfilePrivilege	4196	WMIC.exe
Token: SeSystemtimePrivilege	4196	WMIC.exe
Token: SeProfSingleProcessPrivilege	4196	WMIC.exe
Token: SeIncBasePriorityPrivilege	4196	WMIC.exe
Token: SeCreatePagefilePrivilege	4196	WMIC.exe
Token: SeBackupPrivilege	4196	WMIC.exe
Token: SeRestorePrivilege	4196	WMIC.exe
Token: SeShutdownPrivilege	4196	WMIC.exe
Token: SeDebugPrivilege	4196	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4196	WMIC.exe
Token: SeRemoteShutdownPrivilege	4196	WMIC.exe
Token: SeUndockPrivilege	4196	WMIC.exe
Token: SeManageVolumePrivilege	4196	WMIC.exe
Token: 33	4196	WMIC.exe
Token: 34	4196	WMIC.exe
Token: 35	4196	WMIC.exe
Token: 36	4196	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4196	WMIC.exe
Token: SeSecurityPrivilege	4196	WMIC.exe
Token: SeTakeOwnershipPrivilege	4196	WMIC.exe
Token: SeLoadDriverPrivilege	4196	WMIC.exe
Token: SeSystemProfilePrivilege	4196	WMIC.exe
Token: SeSystemtimePrivilege	4196	WMIC.exe
Token: SeProfSingleProcessPrivilege	4196	WMIC.exe
Token: SeIncBasePriorityPrivilege	4196	WMIC.exe
Token: SeCreatePagefilePrivilege	4196	WMIC.exe
Token: SeBackupPrivilege	4196	WMIC.exe
Token: SeRestorePrivilege	4196	WMIC.exe
Token: SeShutdownPrivilege	4196	WMIC.exe
Token: SeDebugPrivilege	4196	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4196	WMIC.exe
Token: SeRemoteShutdownPrivilege	4196	WMIC.exe
Token: SeUndockPrivilege	4196	WMIC.exe
Token: SeManageVolumePrivilege	4196	WMIC.exe
Token: 33	4196	WMIC.exe
Token: 34	4196	WMIC.exe
Token: 35	4196	WMIC.exe
Token: 36	4196	WMIC.exe
Token: SeBackupPrivilege	2316	vssvc.exe
Token: SeRestorePrivilege	2316	vssvc.exe
Token: SeAuditPrivilege	2316	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2092	!WannaDecryptor!.exe
2092	!WannaDecryptor!.exe
2848	!WannaDecryptor!.exe
2848	!WannaDecryptor!.exe
1312	!WannaDecryptor!.exe
1312	!WannaDecryptor!.exe
4556	!WannaDecryptor!.exe
4556	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 4820	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	81
PID 4456 wrote to memory of 4820	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	81
PID 4456 wrote to memory of 4820	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	81
PID 4820 wrote to memory of 1812	4820	cmd.exe	83
PID 4820 wrote to memory of 1812	4820	cmd.exe	83
PID 4820 wrote to memory of 1812	4820	cmd.exe	83
PID 4456 wrote to memory of 2092	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	84
PID 4456 wrote to memory of 2092	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	84
PID 4456 wrote to memory of 2092	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	84
PID 4456 wrote to memory of 964	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	85
PID 4456 wrote to memory of 964	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	85
PID 4456 wrote to memory of 964	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	85
PID 4456 wrote to memory of 3484	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	86
PID 4456 wrote to memory of 3484	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	86
PID 4456 wrote to memory of 3484	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	86
PID 4456 wrote to memory of 1044	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	87
PID 4456 wrote to memory of 1044	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	87
PID 4456 wrote to memory of 1044	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	87
PID 4456 wrote to memory of 2868	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 4456 wrote to memory of 2868	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 4456 wrote to memory of 2868	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 4456 wrote to memory of 2848	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	95
PID 4456 wrote to memory of 2848	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	95
PID 4456 wrote to memory of 2848	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	95
PID 4456 wrote to memory of 816	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	96
PID 4456 wrote to memory of 816	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	96
PID 4456 wrote to memory of 816	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	96
PID 816 wrote to memory of 1312	816	cmd.exe	98
PID 816 wrote to memory of 1312	816	cmd.exe	98
PID 816 wrote to memory of 1312	816	cmd.exe	98
PID 4456 wrote to memory of 4556	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 4456 wrote to memory of 4556	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 4456 wrote to memory of 4556	4456	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 1312 wrote to memory of 1812	1312	!WannaDecryptor!.exe	101
PID 1312 wrote to memory of 1812	1312	!WannaDecryptor!.exe	101
PID 1312 wrote to memory of 1812	1312	!WannaDecryptor!.exe	101
PID 1812 wrote to memory of 4196	1812	cmd.exe	103
PID 1812 wrote to memory of 4196	1812	cmd.exe	103
PID 1812 wrote to memory of 4196	1812	cmd.exe	103

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:4456
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 242471715396611.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4820
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:1812
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2092
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:964
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3484
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1044
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2868
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2848
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:816
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1312
  - - 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:1812
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4196
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:4556

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2316

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

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

Filesize
236KB

MD5
cf1416074cd7791ab80a18f9e7e219d9

SHA1
276d2ec82c518d887a8a3608e51c56fa28716ded

SHA256
78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df

SHA512
0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk

Filesize
1KB

MD5
1ef15da99c0b9d0584c9720dd49ba395

SHA1
572cc45da06ba2e610bd274904de4b5a1ef7a06f

SHA256
7cd37e880c2664a1343cb7e61e82cd644663ea6a774f5fbcf26d2fdae1a7edc0

SHA512
a578415e99e5aa745723f1800cdcb6b18ef05edf51195c9e6cee0299d9dfb938bd3a437d62aadb996402fe8c4c6eebba74266198b70f9dd2f2d1dd92d723488d

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

Filesize
136B

MD5
1ab614cb52175af8453248c861dfb61a

SHA1
2930cfa1fd699544c43d39301c482c000f47327c

SHA256
15dc83338fa1337057d660246a97091070991020eb8dce9ec96e010579bbcfbe

SHA512
e6ebda3756f10d67fb15be47d55d4128deb482137718c891fdc067cf1417925bc9387644e3fa1e6cd081786d61578815ba6f98c7a0b4a80ac657ab3aef092c31

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

Filesize
136B

MD5
e2a8bcb8781497dce525ea561b5ffe8f

SHA1
79d8003e9d43185de93c12baf27e44ec6f94b407

SHA256
94efad628f013a47648ccca87e071d81e62e78efe7fea51b51d00536e04fabb5

SHA512
40ab6278034b4d925875222ffa126050ccfbcf0b1e40a413ba422ec9294b957bf80408363cb7dafbf7d0f7dbc5c5cfb344649309240dfe257e8697bc2004a3c0

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

Filesize
136B

MD5
1a6d454b4316e1c34e8da92493adca5c

SHA1
0e0c3844df14feecd2aefa145ef626571bbea10a

SHA256
65c3e0e9fe0380acdfea59021fb71f86c7dc8c28c2c0190cbac9f69903434985

SHA512
e270c1f30e6e281ce8a87ba276f5ea73b0cea8acd653909430d07c4436f7f99223f7398e9633e912dd6d1b25abe3f2384638b3c40f17840850460d63255b7756

Download Submit
C:\Users\Admin\AppData\Local\Temp\242471715396611.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
5a10000325c5e045c67db8395ec4eedd

SHA1
4e890a05f36e71473df3586b5ed0e37f47356365

SHA256
6114848447df3275db57be5a283cb8a69bb22596888b9d36680fa1ffd6ca60f8

SHA512
94692e6948491eb53f7a70f45e8d357bc392ddaa66b9a12a2e3d2ec5c8d6e5204415e37d651dd3188e75251fc70d1af20137074b48fca76c9e5aab57957a5c8c

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

Filesize
42KB

MD5
980b08bac152aff3f9b0136b616affa5

SHA1
2a9c9601ea038f790cc29379c79407356a3d25a3

SHA256
402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9

SHA512
100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496

Download Submit
memory/4456-6-0x0000000010000000-0x0000000010012000-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