wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
148s
max time network
102s
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, 03:05

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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\~SD519B.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD51D1.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
1276	!WannaDecryptor!.exe
5068	!WannaDecryptor!.exe
1532	!WannaDecryptor!.exe
704	!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-1-5-21-1162180587-977231257-2194346871-1000\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
5080	taskkill.exe
4840	taskkill.exe
4340	taskkill.exe
3228	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	4340	taskkill.exe
Token: SeDebugPrivilege	4840	taskkill.exe
Token: SeDebugPrivilege	5080	taskkill.exe
Token: SeDebugPrivilege	3228	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4292	WMIC.exe
Token: SeSecurityPrivilege	4292	WMIC.exe
Token: SeTakeOwnershipPrivilege	4292	WMIC.exe
Token: SeLoadDriverPrivilege	4292	WMIC.exe
Token: SeSystemProfilePrivilege	4292	WMIC.exe
Token: SeSystemtimePrivilege	4292	WMIC.exe
Token: SeProfSingleProcessPrivilege	4292	WMIC.exe
Token: SeIncBasePriorityPrivilege	4292	WMIC.exe
Token: SeCreatePagefilePrivilege	4292	WMIC.exe
Token: SeBackupPrivilege	4292	WMIC.exe
Token: SeRestorePrivilege	4292	WMIC.exe
Token: SeShutdownPrivilege	4292	WMIC.exe
Token: SeDebugPrivilege	4292	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4292	WMIC.exe
Token: SeRemoteShutdownPrivilege	4292	WMIC.exe
Token: SeUndockPrivilege	4292	WMIC.exe
Token: SeManageVolumePrivilege	4292	WMIC.exe
Token: 33	4292	WMIC.exe
Token: 34	4292	WMIC.exe
Token: 35	4292	WMIC.exe
Token: 36	4292	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4292	WMIC.exe
Token: SeSecurityPrivilege	4292	WMIC.exe
Token: SeTakeOwnershipPrivilege	4292	WMIC.exe
Token: SeLoadDriverPrivilege	4292	WMIC.exe
Token: SeSystemProfilePrivilege	4292	WMIC.exe
Token: SeSystemtimePrivilege	4292	WMIC.exe
Token: SeProfSingleProcessPrivilege	4292	WMIC.exe
Token: SeIncBasePriorityPrivilege	4292	WMIC.exe
Token: SeCreatePagefilePrivilege	4292	WMIC.exe
Token: SeBackupPrivilege	4292	WMIC.exe
Token: SeRestorePrivilege	4292	WMIC.exe
Token: SeShutdownPrivilege	4292	WMIC.exe
Token: SeDebugPrivilege	4292	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4292	WMIC.exe
Token: SeRemoteShutdownPrivilege	4292	WMIC.exe
Token: SeUndockPrivilege	4292	WMIC.exe
Token: SeManageVolumePrivilege	4292	WMIC.exe
Token: 33	4292	WMIC.exe
Token: 34	4292	WMIC.exe
Token: 35	4292	WMIC.exe
Token: 36	4292	WMIC.exe
Token: SeBackupPrivilege	4568	vssvc.exe
Token: SeRestorePrivilege	4568	vssvc.exe
Token: SeAuditPrivilege	4568	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1276	!WannaDecryptor!.exe
1276	!WannaDecryptor!.exe
5068	!WannaDecryptor!.exe
5068	!WannaDecryptor!.exe
1532	!WannaDecryptor!.exe
1532	!WannaDecryptor!.exe
704	!WannaDecryptor!.exe
704	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 764 wrote to memory of 2788	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	83
PID 764 wrote to memory of 2788	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	83
PID 764 wrote to memory of 2788	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	83
PID 2788 wrote to memory of 544	2788	cmd.exe	85
PID 2788 wrote to memory of 544	2788	cmd.exe	85
PID 2788 wrote to memory of 544	2788	cmd.exe	85
PID 764 wrote to memory of 1276	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 764 wrote to memory of 1276	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 764 wrote to memory of 1276	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 764 wrote to memory of 5080	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 764 wrote to memory of 5080	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 764 wrote to memory of 5080	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 764 wrote to memory of 4840	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 764 wrote to memory of 4840	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 764 wrote to memory of 4840	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 764 wrote to memory of 3228	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 764 wrote to memory of 3228	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 764 wrote to memory of 3228	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 764 wrote to memory of 4340	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 764 wrote to memory of 4340	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 764 wrote to memory of 4340	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 764 wrote to memory of 5068	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	108
PID 764 wrote to memory of 5068	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	108
PID 764 wrote to memory of 5068	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	108
PID 764 wrote to memory of 4476	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	109
PID 764 wrote to memory of 4476	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	109
PID 764 wrote to memory of 4476	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	109
PID 4476 wrote to memory of 1532	4476	cmd.exe	111
PID 4476 wrote to memory of 1532	4476	cmd.exe	111
PID 4476 wrote to memory of 1532	4476	cmd.exe	111
PID 764 wrote to memory of 704	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	113
PID 764 wrote to memory of 704	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	113
PID 764 wrote to memory of 704	764	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	113
PID 1532 wrote to memory of 2884	1532	!WannaDecryptor!.exe	114
PID 1532 wrote to memory of 2884	1532	!WannaDecryptor!.exe	114
PID 1532 wrote to memory of 2884	1532	!WannaDecryptor!.exe	114
PID 2884 wrote to memory of 4292	2884	cmd.exe	116
PID 2884 wrote to memory of 4292	2884	cmd.exe	116
PID 2884 wrote to memory of 4292	2884	cmd.exe	116

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:764
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 103161715396705.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:544
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1276
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:5080
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4840
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3228
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4340
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:5068
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4476
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1532
  - - 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:2884
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4292
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:704

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4568

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
e1f38f542ecae54410f41f6f2105ee5c

SHA1
d326dd2b530b7341b8f63e1bd5e5b5350d327351

SHA256
04fc576770a78be2327947223e17b19e13f8b54e70caec03176bfde04b1f801d

SHA512
b736cc734d4896a095d147151414261b173ce49de08f3872938488889cdad633eb45abda6ea0c9280b706b503ae1885182a9bfd05fef4fd0aa3351b007184fea

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

Filesize
136B

MD5
889e566a6b3842a94fa1ba68c92dd7d4

SHA1
0b981ce7bccc2e1b85732a510fcaa2b105184bcc

SHA256
662f3e1bb1fec14f10003bdf00c00cc084dd170a1cdce21a8c8dfc859884b8b1

SHA512
ec457947f69f1febf20891fdc2c5c7de1fb36bf6361adce6f9b8b68f5a01aa5fee1df713aaf53c6f5c38a49fd114a4bd7f6da365005baa97e3bcde6cb1d736f6

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

Filesize
136B

MD5
af847d7552d3d639d030011405d69f77

SHA1
d4253805a5a36f7cef0b7aa8d2200cefdf933b44

SHA256
e10d62ee2eb2dd948c39a4ed344ac12d21a5842e5d571195709a481fb23ccba6

SHA512
d9ce5b4efbd5efc0b7201502afab90b4a24c607f7498846fdcb7ec66b31187a48e6a3ad07a393c30a1ab1513a701ad2460b0946e253ce9944f6e3b2becfb2875

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

Filesize
136B

MD5
8a9f9da2306e419b0712f4f0b8149e5c

SHA1
61a4016d74c0f5b3a677e72883d883aae6ba09b1

SHA256
da9b0af5af49f61e8796a8461591a88aa8be294fe8b41a77e042ff9c14d24714

SHA512
d64a79a69b0ff5acf3d215d3b2894b49df02512f745cca0b882718ca81720759c2ffe3822dbed49b1b4741d9089251b7a927dfe55b581a933902b63e71db2511

Download Submit
C:\Users\Admin\AppData\Local\Temp\103161715396705.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
510494dc8810ffa4ed0e22cda343d157

SHA1
7848bacfd668570dbe447ed443125c89a536eca8

SHA256
aa3dc961c3e62011459bfbe874e9d44630c4bc993b3f1cd3b38f1f9da735eb32

SHA512
34b10bc2e48ec79eb2dff70324b0dc408bc2bde124ce95f38c05f8768c48bbfb317fed854795c3908f0037b1a3ade61e79172b0f814f72dc5c1925514b52f042

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/764-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads