wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
149s
max time network
127s
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, 03:02

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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\~SD60A1.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD60B8.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
2100	!WannaDecryptor!.exe
3364	!WannaDecryptor!.exe
1696	!WannaDecryptor!.exe
3004	!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-1-5-21-1337824034-2731376981-3755436523-1000\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
3748	taskkill.exe
4468	taskkill.exe
1888	taskkill.exe
3272	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	taskkill.exe
Token: SeDebugPrivilege	1888	taskkill.exe
Token: SeDebugPrivilege	3748	taskkill.exe
Token: SeDebugPrivilege	3272	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4756	WMIC.exe
Token: SeSecurityPrivilege	4756	WMIC.exe
Token: SeTakeOwnershipPrivilege	4756	WMIC.exe
Token: SeLoadDriverPrivilege	4756	WMIC.exe
Token: SeSystemProfilePrivilege	4756	WMIC.exe
Token: SeSystemtimePrivilege	4756	WMIC.exe
Token: SeProfSingleProcessPrivilege	4756	WMIC.exe
Token: SeIncBasePriorityPrivilege	4756	WMIC.exe
Token: SeCreatePagefilePrivilege	4756	WMIC.exe
Token: SeBackupPrivilege	4756	WMIC.exe
Token: SeRestorePrivilege	4756	WMIC.exe
Token: SeShutdownPrivilege	4756	WMIC.exe
Token: SeDebugPrivilege	4756	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4756	WMIC.exe
Token: SeRemoteShutdownPrivilege	4756	WMIC.exe
Token: SeUndockPrivilege	4756	WMIC.exe
Token: SeManageVolumePrivilege	4756	WMIC.exe
Token: 33	4756	WMIC.exe
Token: 34	4756	WMIC.exe
Token: 35	4756	WMIC.exe
Token: 36	4756	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4756	WMIC.exe
Token: SeSecurityPrivilege	4756	WMIC.exe
Token: SeTakeOwnershipPrivilege	4756	WMIC.exe
Token: SeLoadDriverPrivilege	4756	WMIC.exe
Token: SeSystemProfilePrivilege	4756	WMIC.exe
Token: SeSystemtimePrivilege	4756	WMIC.exe
Token: SeProfSingleProcessPrivilege	4756	WMIC.exe
Token: SeIncBasePriorityPrivilege	4756	WMIC.exe
Token: SeCreatePagefilePrivilege	4756	WMIC.exe
Token: SeBackupPrivilege	4756	WMIC.exe
Token: SeRestorePrivilege	4756	WMIC.exe
Token: SeShutdownPrivilege	4756	WMIC.exe
Token: SeDebugPrivilege	4756	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4756	WMIC.exe
Token: SeRemoteShutdownPrivilege	4756	WMIC.exe
Token: SeUndockPrivilege	4756	WMIC.exe
Token: SeManageVolumePrivilege	4756	WMIC.exe
Token: 33	4756	WMIC.exe
Token: 34	4756	WMIC.exe
Token: 35	4756	WMIC.exe
Token: 36	4756	WMIC.exe
Token: SeBackupPrivilege	1172	vssvc.exe
Token: SeRestorePrivilege	1172	vssvc.exe
Token: SeAuditPrivilege	1172	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2100	!WannaDecryptor!.exe
2100	!WannaDecryptor!.exe
3364	!WannaDecryptor!.exe
3364	!WannaDecryptor!.exe
1696	!WannaDecryptor!.exe
1696	!WannaDecryptor!.exe
3004	!WannaDecryptor!.exe
3004	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 3884	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	81
PID 1488 wrote to memory of 3884	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	81
PID 1488 wrote to memory of 3884	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	81
PID 3884 wrote to memory of 736	3884	cmd.exe	84
PID 3884 wrote to memory of 736	3884	cmd.exe	84
PID 3884 wrote to memory of 736	3884	cmd.exe	84
PID 1488 wrote to memory of 2100	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	87
PID 1488 wrote to memory of 2100	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	87
PID 1488 wrote to memory of 2100	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	87
PID 1488 wrote to memory of 1888	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 1488 wrote to memory of 1888	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 1488 wrote to memory of 1888	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 1488 wrote to memory of 3272	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 1488 wrote to memory of 3272	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 1488 wrote to memory of 3272	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 1488 wrote to memory of 3748	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 1488 wrote to memory of 3748	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 1488 wrote to memory of 3748	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 1488 wrote to memory of 4468	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 1488 wrote to memory of 4468	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 1488 wrote to memory of 4468	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 1488 wrote to memory of 3364	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 1488 wrote to memory of 3364	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 1488 wrote to memory of 3364	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 1488 wrote to memory of 2520	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 1488 wrote to memory of 2520	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 1488 wrote to memory of 2520	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 2520 wrote to memory of 1696	2520	cmd.exe	105
PID 2520 wrote to memory of 1696	2520	cmd.exe	105
PID 2520 wrote to memory of 1696	2520	cmd.exe	105
PID 1488 wrote to memory of 3004	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 1488 wrote to memory of 3004	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 1488 wrote to memory of 3004	1488	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 1696 wrote to memory of 5028	1696	!WannaDecryptor!.exe	108
PID 1696 wrote to memory of 5028	1696	!WannaDecryptor!.exe	108
PID 1696 wrote to memory of 5028	1696	!WannaDecryptor!.exe	108
PID 5028 wrote to memory of 4756	5028	cmd.exe	110
PID 5028 wrote to memory of 4756	5028	cmd.exe	110
PID 5028 wrote to memory of 4756	5028	cmd.exe	110

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:1488
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 264901715396580.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3884
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:736
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2100
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1888
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3272
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3748
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4468
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3364
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1696
  - - 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:5028
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4756
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:3004

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1172

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
0767c60073025b8ce6d6bb47ddee41c6

SHA1
de01893323aa2585eaa90fa04c6c8f123aeeb84b

SHA256
6246db6a24400d15a260be76b0a10133c278534c74fca0d3dc971f96a054e5d3

SHA512
b023764cfc124c8f77c0cc2f44611c7d92975a0ab19d1a11ded008294cdb1b086d00194c5e6ed42b117e262414650a4ff09fc80d6487b21eba6640c55a887f92

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

Filesize
136B

MD5
ca61da576641dd1790dd2334961f3253

SHA1
6bb3e77a5bdbdb3a5520b230531efa7838b664d4

SHA256
e9433368feff38837ae1df17c3eae0fccc29306493bb7cf69939b29a614aec42

SHA512
5c19f7f8e856b82b6b2b349304531626358ab9177d199a7e32d3cdadce1714be8a30288e49d1ccfa43bf0cee1555ccda5ae1447313473604e4cc916380dbc353

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

Filesize
136B

MD5
057304b90fd138bc1767eadd9f7efa81

SHA1
7d7ece5e4bfbe0362e8d12ca0737b872a28fd68c

SHA256
cadd634f91f17637e7ed3e27ed4b98d26af3524f79d4c3915b2ef6d17dcb8b8d

SHA512
488f5f072993266cd49e645e1dac3570a80a381bda9832a806ed8207320f62949794153fae342b8867111347f6c52b2ddb3c3c034d79a51bb78120dabae454cd

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

Filesize
136B

MD5
398cc00abaee4708ea705e531c7165d2

SHA1
3d57cb2c868e9b0d5aeb01dae556f16af49cad4e

SHA256
3a913a80a4f46db0dc8bfe136651dbdd5b4380a96f9b2b6794c6867e4a1d2be2

SHA512
76cc5010e2c5496d01f54eee5647ce7b5c7c2affd18518ac524a9372e714efc25be9e7a728463880e2162f2a7ddcc694d0fad044a9a4ef6adafd03dcbb135a2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\264901715396580.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
583a088e80bcb078a3de7d5957751f41

SHA1
4154975ca2fc24dc78bbdb022844cb6a7c174ac4

SHA256
04dd7a77d541bcb94678e270dbd46052aa2cb7074aebd7c569dc420d6ddf41e3

SHA512
1aecdb90b0b40e6cc56c99484ee31412b2203310ae23aa38d6325485c189929fc4454e7fdc8c74f924d252d03e594bcbdaa022005abb0b3c8161fab582aa9943

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/1488-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads