wannacry | be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844

Analysis

max time kernel
146s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 10:43

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\~SD5B27.tmp	WannaCry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5B2E.tmp	WannaCry.exe

Executes dropped EXE 4 IoCs

pid	Process
3816	!WannaDecryptor!.exe
2200	!WannaDecryptor!.exe
976	!WannaDecryptor!.exe
4744	!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-1-5-21-2170637797-568393320-3232933035-1000\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	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	!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	!WannaDecryptor!.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	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WannaCry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 4 IoCs

evasion

pid	Process
3784	taskkill.exe
1376	taskkill.exe
3316	taskkill.exe
5024	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	taskkill.exe
Token: SeDebugPrivilege	3316	taskkill.exe
Token: SeDebugPrivilege	3784	taskkill.exe
Token: SeDebugPrivilege	5024	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4396	WMIC.exe
Token: SeSecurityPrivilege	4396	WMIC.exe
Token: SeTakeOwnershipPrivilege	4396	WMIC.exe
Token: SeLoadDriverPrivilege	4396	WMIC.exe
Token: SeSystemProfilePrivilege	4396	WMIC.exe
Token: SeSystemtimePrivilege	4396	WMIC.exe
Token: SeProfSingleProcessPrivilege	4396	WMIC.exe
Token: SeIncBasePriorityPrivilege	4396	WMIC.exe
Token: SeCreatePagefilePrivilege	4396	WMIC.exe
Token: SeBackupPrivilege	4396	WMIC.exe
Token: SeRestorePrivilege	4396	WMIC.exe
Token: SeShutdownPrivilege	4396	WMIC.exe
Token: SeDebugPrivilege	4396	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4396	WMIC.exe
Token: SeRemoteShutdownPrivilege	4396	WMIC.exe
Token: SeUndockPrivilege	4396	WMIC.exe
Token: SeManageVolumePrivilege	4396	WMIC.exe
Token: 33	4396	WMIC.exe
Token: 34	4396	WMIC.exe
Token: 35	4396	WMIC.exe
Token: 36	4396	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4396	WMIC.exe
Token: SeSecurityPrivilege	4396	WMIC.exe
Token: SeTakeOwnershipPrivilege	4396	WMIC.exe
Token: SeLoadDriverPrivilege	4396	WMIC.exe
Token: SeSystemProfilePrivilege	4396	WMIC.exe
Token: SeSystemtimePrivilege	4396	WMIC.exe
Token: SeProfSingleProcessPrivilege	4396	WMIC.exe
Token: SeIncBasePriorityPrivilege	4396	WMIC.exe
Token: SeCreatePagefilePrivilege	4396	WMIC.exe
Token: SeBackupPrivilege	4396	WMIC.exe
Token: SeRestorePrivilege	4396	WMIC.exe
Token: SeShutdownPrivilege	4396	WMIC.exe
Token: SeDebugPrivilege	4396	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4396	WMIC.exe
Token: SeRemoteShutdownPrivilege	4396	WMIC.exe
Token: SeUndockPrivilege	4396	WMIC.exe
Token: SeManageVolumePrivilege	4396	WMIC.exe
Token: 33	4396	WMIC.exe
Token: 34	4396	WMIC.exe
Token: 35	4396	WMIC.exe
Token: 36	4396	WMIC.exe
Token: SeBackupPrivilege	2532	vssvc.exe
Token: SeRestorePrivilege	2532	vssvc.exe
Token: SeAuditPrivilege	2532	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3816	!WannaDecryptor!.exe
3816	!WannaDecryptor!.exe
2200	!WannaDecryptor!.exe
2200	!WannaDecryptor!.exe
976	!WannaDecryptor!.exe
976	!WannaDecryptor!.exe
4744	!WannaDecryptor!.exe
4744	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 1220	2748	WannaCry.exe	90
PID 2748 wrote to memory of 1220	2748	WannaCry.exe	90
PID 2748 wrote to memory of 1220	2748	WannaCry.exe	90
PID 1220 wrote to memory of 640	1220	cmd.exe	93
PID 1220 wrote to memory of 640	1220	cmd.exe	93
PID 1220 wrote to memory of 640	1220	cmd.exe	93
PID 2748 wrote to memory of 3816	2748	WannaCry.exe	95
PID 2748 wrote to memory of 3816	2748	WannaCry.exe	95
PID 2748 wrote to memory of 3816	2748	WannaCry.exe	95
PID 2748 wrote to memory of 3784	2748	WannaCry.exe	96
PID 2748 wrote to memory of 3784	2748	WannaCry.exe	96
PID 2748 wrote to memory of 3784	2748	WannaCry.exe	96
PID 2748 wrote to memory of 1376	2748	WannaCry.exe	97
PID 2748 wrote to memory of 1376	2748	WannaCry.exe	97
PID 2748 wrote to memory of 1376	2748	WannaCry.exe	97
PID 2748 wrote to memory of 3316	2748	WannaCry.exe	99
PID 2748 wrote to memory of 3316	2748	WannaCry.exe	99
PID 2748 wrote to memory of 3316	2748	WannaCry.exe	99
PID 2748 wrote to memory of 5024	2748	WannaCry.exe	101
PID 2748 wrote to memory of 5024	2748	WannaCry.exe	101
PID 2748 wrote to memory of 5024	2748	WannaCry.exe	101
PID 2748 wrote to memory of 2200	2748	WannaCry.exe	107
PID 2748 wrote to memory of 2200	2748	WannaCry.exe	107
PID 2748 wrote to memory of 2200	2748	WannaCry.exe	107
PID 2748 wrote to memory of 452	2748	WannaCry.exe	108
PID 2748 wrote to memory of 452	2748	WannaCry.exe	108
PID 2748 wrote to memory of 452	2748	WannaCry.exe	108
PID 452 wrote to memory of 976	452	cmd.exe	110
PID 452 wrote to memory of 976	452	cmd.exe	110
PID 452 wrote to memory of 976	452	cmd.exe	110
PID 2748 wrote to memory of 4744	2748	WannaCry.exe	112
PID 2748 wrote to memory of 4744	2748	WannaCry.exe	112
PID 2748 wrote to memory of 4744	2748	WannaCry.exe	112
PID 976 wrote to memory of 4440	976	!WannaDecryptor!.exe	113
PID 976 wrote to memory of 4440	976	!WannaDecryptor!.exe	113
PID 976 wrote to memory of 4440	976	!WannaDecryptor!.exe	113
PID 4440 wrote to memory of 4396	4440	cmd.exe	115
PID 4440 wrote to memory of 4396	4440	cmd.exe	115
PID 4440 wrote to memory of 4396	4440	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:2748
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 37661722681809.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1220
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:640
- 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:3816
- 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:3784
- 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:1376
- 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:3316
- 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:5024
- 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:2200
- 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:452
- - 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:976
  - - 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:4440
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4396
- 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:4744

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1044,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4388 /prefetch:8
1⤵
PID:4124

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2532

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
1f1f7e176b7ac6c2dd769afc082adb4c

SHA1
d7dec8ae5da3fa75c6c549f4f2b50d2d3b7cfb49

SHA256
f71db6bc996bd3ce54fd6569256882af52c227cc601c583fd9f77edfee8bebf8

SHA512
b8b789fc5d7c8d1d69829d3bea4430f1dd7f6047602a12f2c53248434517ccd38cc5937ea35332e20e37b1f8e7ee114d1d7df052d2417baf2773418908da0d77

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

Filesize
136B

MD5
e76a889bb0039615cd421d3631496f73

SHA1
b36f5550a84a675a9f89a47ead6a38cc72a7e634

SHA256
3e4fa6f8e61dcea1080c3e981d1c286ea50faa8a2c38c358175271551aa31b1c

SHA512
86531ceb0f465204a71235b4feec41c31dfdba60a051e2388c605f7c690aa171e4d89b923645601a0dfc41e4cd17e89a66aea784d7dab50d47bee998665b10eb

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

Filesize
136B

MD5
df325d9355e743949e9d0e54e5494acb

SHA1
848e04d944ac782bac8be1f04805f3f4600a6292

SHA256
44f0e70934b2e6570ccb24b08d60996fd00c06ba09966262c77a080c559816dd

SHA512
1b5243a63a995a7c74cac9f51ecf9918ec0928945d38285e5859541e74f53308ca9a3faf275ef7eb40d22998a5d5ccc59e03e0d288ddc5fdbfb196c7022550f3

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

Filesize
136B

MD5
32a0cf0cd4af1bc68846d76d93406fbf

SHA1
491db839361a01851bc79946c3247e0f15d7fb49

SHA256
c7496ec91e3570b657e938cf5fe6e35e5943854e7c416e0e19a6fc823feef3ad

SHA512
09b159baf9f971494781a4f089149bcc25b474024504b7fa66ddc3178ce1bd21eb3e9421c853ba1785b4ae9b6ac40bc77ac8b0f623ce9a0fa108962c0d6aae84

Download Submit
C:\Users\Admin\AppData\Local\Temp\37661722681809.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
4ccd491f9542abbca3ae7a8ca6307b6b

SHA1
8ac03cae6898554a9b3f19924e622808e057dd97

SHA256
7358a8422f58d7941ddcdc93312a698d6762b7f9191674a26e8749112452d17f

SHA512
4a71cee9d1486cd4042cd90dede8b2787bf16fda6350a0899375a0c3e994c3384546b4c14978a8858cef7fbcf54ff55973760f629d545e7f37088d0d8d9e32ee

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/2748-7-0x0000000010000000-0x0000000010012000-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