wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
150s
max time network
133s
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, 03:10

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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\~SD6F1C.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6F42.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
3464	!WannaDecryptor!.exe
4880	!WannaDecryptor!.exe
3960	!WannaDecryptor!.exe
2084	!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-1-5-21-4124900551-4068476067-3491212533-1000\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
2452	taskkill.exe
1348	taskkill.exe
756	taskkill.exe
2596	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	taskkill.exe
Token: SeDebugPrivilege	1348	taskkill.exe
Token: SeDebugPrivilege	2452	taskkill.exe
Token: SeDebugPrivilege	756	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4384	WMIC.exe
Token: SeSecurityPrivilege	4384	WMIC.exe
Token: SeTakeOwnershipPrivilege	4384	WMIC.exe
Token: SeLoadDriverPrivilege	4384	WMIC.exe
Token: SeSystemProfilePrivilege	4384	WMIC.exe
Token: SeSystemtimePrivilege	4384	WMIC.exe
Token: SeProfSingleProcessPrivilege	4384	WMIC.exe
Token: SeIncBasePriorityPrivilege	4384	WMIC.exe
Token: SeCreatePagefilePrivilege	4384	WMIC.exe
Token: SeBackupPrivilege	4384	WMIC.exe
Token: SeRestorePrivilege	4384	WMIC.exe
Token: SeShutdownPrivilege	4384	WMIC.exe
Token: SeDebugPrivilege	4384	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4384	WMIC.exe
Token: SeRemoteShutdownPrivilege	4384	WMIC.exe
Token: SeUndockPrivilege	4384	WMIC.exe
Token: SeManageVolumePrivilege	4384	WMIC.exe
Token: 33	4384	WMIC.exe
Token: 34	4384	WMIC.exe
Token: 35	4384	WMIC.exe
Token: 36	4384	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4384	WMIC.exe
Token: SeSecurityPrivilege	4384	WMIC.exe
Token: SeTakeOwnershipPrivilege	4384	WMIC.exe
Token: SeLoadDriverPrivilege	4384	WMIC.exe
Token: SeSystemProfilePrivilege	4384	WMIC.exe
Token: SeSystemtimePrivilege	4384	WMIC.exe
Token: SeProfSingleProcessPrivilege	4384	WMIC.exe
Token: SeIncBasePriorityPrivilege	4384	WMIC.exe
Token: SeCreatePagefilePrivilege	4384	WMIC.exe
Token: SeBackupPrivilege	4384	WMIC.exe
Token: SeRestorePrivilege	4384	WMIC.exe
Token: SeShutdownPrivilege	4384	WMIC.exe
Token: SeDebugPrivilege	4384	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4384	WMIC.exe
Token: SeRemoteShutdownPrivilege	4384	WMIC.exe
Token: SeUndockPrivilege	4384	WMIC.exe
Token: SeManageVolumePrivilege	4384	WMIC.exe
Token: 33	4384	WMIC.exe
Token: 34	4384	WMIC.exe
Token: 35	4384	WMIC.exe
Token: 36	4384	WMIC.exe
Token: SeBackupPrivilege	2060	vssvc.exe
Token: SeRestorePrivilege	2060	vssvc.exe
Token: SeAuditPrivilege	2060	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3464	!WannaDecryptor!.exe
3464	!WannaDecryptor!.exe
4880	!WannaDecryptor!.exe
4880	!WannaDecryptor!.exe
3960	!WannaDecryptor!.exe
3960	!WannaDecryptor!.exe
2084	!WannaDecryptor!.exe
2084	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 5088	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	83
PID 4676 wrote to memory of 5088	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	83
PID 4676 wrote to memory of 5088	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	83
PID 5088 wrote to memory of 2192	5088	cmd.exe	85
PID 5088 wrote to memory of 2192	5088	cmd.exe	85
PID 5088 wrote to memory of 2192	5088	cmd.exe	85
PID 4676 wrote to memory of 3464	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 4676 wrote to memory of 3464	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 4676 wrote to memory of 3464	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 4676 wrote to memory of 2452	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 4676 wrote to memory of 2452	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 4676 wrote to memory of 2452	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 4676 wrote to memory of 2596	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 4676 wrote to memory of 2596	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 4676 wrote to memory of 2596	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 4676 wrote to memory of 756	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 4676 wrote to memory of 756	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 4676 wrote to memory of 756	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 4676 wrote to memory of 1348	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 4676 wrote to memory of 1348	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 4676 wrote to memory of 1348	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 4676 wrote to memory of 4880	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 4676 wrote to memory of 4880	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 4676 wrote to memory of 4880	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 4676 wrote to memory of 1888	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 4676 wrote to memory of 1888	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 4676 wrote to memory of 1888	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 1888 wrote to memory of 3960	1888	cmd.exe	105
PID 1888 wrote to memory of 3960	1888	cmd.exe	105
PID 1888 wrote to memory of 3960	1888	cmd.exe	105
PID 4676 wrote to memory of 2084	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 4676 wrote to memory of 2084	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 4676 wrote to memory of 2084	4676	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 3960 wrote to memory of 392	3960	!WannaDecryptor!.exe	108
PID 3960 wrote to memory of 392	3960	!WannaDecryptor!.exe	108
PID 3960 wrote to memory of 392	3960	!WannaDecryptor!.exe	108
PID 392 wrote to memory of 4384	392	cmd.exe	110
PID 392 wrote to memory of 4384	392	cmd.exe	110
PID 392 wrote to memory of 4384	392	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:4676
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 32641715397027.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5088
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:2192
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3464
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2452
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2596
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:756
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1348
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4880
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1888
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3960
  - - 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:392
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4384
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:2084

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2060

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
a2d3f7c666ef407d251945f43f49cb72

SHA1
9512c6dc13cb869d5875e91790ec6e2c0d0b9d1f

SHA256
97ff754b06f32c3bee374c9812cc6b9270bc72e213a4447728e231b3480d2098

SHA512
b3229d35454eb0f2f66e456eac24499837c7361b1979da275b69d3a6ad6725cb534f7abfe354ec819ce3f60152bd3509fd60484466d5d89471bf9524b8df7322

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

Filesize
136B

MD5
892fc471103bc36fbed0e78e3d97a11c

SHA1
1142c70bb4a46f79a1e83026696c744ff9a37b05

SHA256
68e116f72d0cd7043700c2f12cf88779bea56ad5eef58a8f7f443d761f49c5c9

SHA512
cdaa08c165a5d5caa63488ab6ce709d3862612c77225bd6be347bf259c01e9ebd3a0dfd1a446e387eb8960527193ac668cd9f0ea2bb7b99232f3e18c88babf1a

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

Filesize
136B

MD5
f7f675aafcb48446e88c228b83116121

SHA1
96fcbc9313f4b3c1cffdf263e4f942aa9c4ad996

SHA256
58fb08c06d6bf598acf01839d1c7cbf01dc087ee02e103f731f3ef45a95d8078

SHA512
2d224c4189b93c8dce003842bdf7bb034f3941dd9e312a4fbfaa694542d11901e26e34cdefc8f4234b70b6778865f596b89b8d53f85ec0c7208a04ba2b5e5e81

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

Filesize
136B

MD5
8b3c11dde6ac74c609f54037d56db64f

SHA1
6586d3ae67fbaeb44bbd3e916edb3829d27c1932

SHA256
04b3db02939ac4e48498012e05223b508f675f1b6aa284e5c8bba6c82bbd6e3b

SHA512
94256cf51caaa1c55fef20349ce772ec3058e3063328d203f53906d71c18cecde1bb181e93c9c226d49803e67b763f3c327770c85e5d02a3d83bb9583866aa6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\32641715397027.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
0ef4e6e32960459aacb703d95761f7e5

SHA1
03147248f5073fe3fe234de24f3e2e3507b2a897

SHA256
16755e4dfeef9a3ec76f436895e7f814cde8d75b1fdf97ba64d17aa957206f54

SHA512
196afe1a1df1df2f298c09e8f2c47818351281cc81444de64820b079c6b44279a4d1564348f0451e75d78fe4345c93a6b4011ea63f7f257cd0809bd1cac2c0d4

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/4676-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads