wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
140s
max time network
101s
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, 03:07

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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\Word\STARTUP\~SD5F39.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD5F32.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
2148	!WannaDecryptor!.exe
1788	!WannaDecryptor!.exe
3404	!WannaDecryptor!.exe
4612	!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
5112	taskkill.exe
556	taskkill.exe
3028	taskkill.exe
552	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	556	taskkill.exe
Token: SeDebugPrivilege	552	taskkill.exe
Token: SeDebugPrivilege	3028	taskkill.exe
Token: SeDebugPrivilege	5112	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4832	WMIC.exe
Token: SeSecurityPrivilege	4832	WMIC.exe
Token: SeTakeOwnershipPrivilege	4832	WMIC.exe
Token: SeLoadDriverPrivilege	4832	WMIC.exe
Token: SeSystemProfilePrivilege	4832	WMIC.exe
Token: SeSystemtimePrivilege	4832	WMIC.exe
Token: SeProfSingleProcessPrivilege	4832	WMIC.exe
Token: SeIncBasePriorityPrivilege	4832	WMIC.exe
Token: SeCreatePagefilePrivilege	4832	WMIC.exe
Token: SeBackupPrivilege	4832	WMIC.exe
Token: SeRestorePrivilege	4832	WMIC.exe
Token: SeShutdownPrivilege	4832	WMIC.exe
Token: SeDebugPrivilege	4832	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4832	WMIC.exe
Token: SeRemoteShutdownPrivilege	4832	WMIC.exe
Token: SeUndockPrivilege	4832	WMIC.exe
Token: SeManageVolumePrivilege	4832	WMIC.exe
Token: 33	4832	WMIC.exe
Token: 34	4832	WMIC.exe
Token: 35	4832	WMIC.exe
Token: 36	4832	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4832	WMIC.exe
Token: SeSecurityPrivilege	4832	WMIC.exe
Token: SeTakeOwnershipPrivilege	4832	WMIC.exe
Token: SeLoadDriverPrivilege	4832	WMIC.exe
Token: SeSystemProfilePrivilege	4832	WMIC.exe
Token: SeSystemtimePrivilege	4832	WMIC.exe
Token: SeProfSingleProcessPrivilege	4832	WMIC.exe
Token: SeIncBasePriorityPrivilege	4832	WMIC.exe
Token: SeCreatePagefilePrivilege	4832	WMIC.exe
Token: SeBackupPrivilege	4832	WMIC.exe
Token: SeRestorePrivilege	4832	WMIC.exe
Token: SeShutdownPrivilege	4832	WMIC.exe
Token: SeDebugPrivilege	4832	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4832	WMIC.exe
Token: SeRemoteShutdownPrivilege	4832	WMIC.exe
Token: SeUndockPrivilege	4832	WMIC.exe
Token: SeManageVolumePrivilege	4832	WMIC.exe
Token: 33	4832	WMIC.exe
Token: 34	4832	WMIC.exe
Token: 35	4832	WMIC.exe
Token: 36	4832	WMIC.exe
Token: SeBackupPrivilege	3748	vssvc.exe
Token: SeRestorePrivilege	3748	vssvc.exe
Token: SeAuditPrivilege	3748	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2148	!WannaDecryptor!.exe
2148	!WannaDecryptor!.exe
1788	!WannaDecryptor!.exe
1788	!WannaDecryptor!.exe
3404	!WannaDecryptor!.exe
3404	!WannaDecryptor!.exe
4612	!WannaDecryptor!.exe
4612	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 640	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	82
PID 4588 wrote to memory of 640	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	82
PID 4588 wrote to memory of 640	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	82
PID 640 wrote to memory of 1092	640	cmd.exe	84
PID 640 wrote to memory of 1092	640	cmd.exe	84
PID 640 wrote to memory of 1092	640	cmd.exe	84
PID 4588 wrote to memory of 2148	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 4588 wrote to memory of 2148	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 4588 wrote to memory of 2148	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 4588 wrote to memory of 3028	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 4588 wrote to memory of 3028	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 4588 wrote to memory of 3028	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 4588 wrote to memory of 556	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 4588 wrote to memory of 556	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 4588 wrote to memory of 556	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 4588 wrote to memory of 5112	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 4588 wrote to memory of 5112	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 4588 wrote to memory of 5112	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 4588 wrote to memory of 552	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 4588 wrote to memory of 552	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 4588 wrote to memory of 552	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	94
PID 4588 wrote to memory of 1788	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 4588 wrote to memory of 1788	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 4588 wrote to memory of 1788	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	102
PID 4588 wrote to memory of 756	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 4588 wrote to memory of 756	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 4588 wrote to memory of 756	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	103
PID 756 wrote to memory of 3404	756	cmd.exe	105
PID 756 wrote to memory of 3404	756	cmd.exe	105
PID 756 wrote to memory of 3404	756	cmd.exe	105
PID 4588 wrote to memory of 4612	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 4588 wrote to memory of 4612	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 4588 wrote to memory of 4612	4588	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 3404 wrote to memory of 2296	3404	!WannaDecryptor!.exe	108
PID 3404 wrote to memory of 2296	3404	!WannaDecryptor!.exe	108
PID 3404 wrote to memory of 2296	3404	!WannaDecryptor!.exe	108
PID 2296 wrote to memory of 4832	2296	cmd.exe	110
PID 2296 wrote to memory of 4832	2296	cmd.exe	110
PID 2296 wrote to memory of 4832	2296	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:4588
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 203671715396859.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:640
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:1092
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2148
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3028
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:556
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:5112
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:552
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1788
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3404
  - - 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:2296
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4832
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:4612

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3748

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
98ba246ed2c29e41cc785daec1059444

SHA1
3583f87c95823087cbbb0fea2a9363242037afc3

SHA256
99ecfe5059368f83bbb8182127e286ac294663ff216fb9edebee5ffafac932a7

SHA512
36560bccc83261aa2b845cb5c7c037ec21035fe55885b43fbd04cb98a068609be4a5a007fb1cee92344df9ba328b3ad48ff30754bb1beb2f4189deae33074165

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

Filesize
136B

MD5
ae277572a40160ba2b51570de0680675

SHA1
cfcc147c07b5f8884c4c901a696143778435e5dc

SHA256
ff87503c0c4a8638ca526e208a1a68a6741a73f1b45b34476a14ccf1590fb629

SHA512
cf25f209c9f3abb5df13aa22ce948fa54554e7c1cf93206d16a76a15c7ea67321816a29e90c642280e11f61c4a83e20c80ba64008f7515a39c5f3534e1e57b37

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

Filesize
136B

MD5
71373f56bd18b179d6497503dc1194bb

SHA1
237ee3e12859ed25bc09134d25c4bba2308fd08e

SHA256
1045f3869a30b5978d3cfb4756f6a6835f6953553b58215925ebac20685410f5

SHA512
3061c481e6702eb44ecb51b8a0df1b182d43836fdbe5ccb8f3a8ccb93a1bdc8cb47b9d8084dce92673b3dbc00a13bda9d16016195aebe256f32a594e0f047f6f

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

Filesize
136B

MD5
220aef4274a0f32eb151db25b7b68a09

SHA1
1ee889bef45f2b065d4de645cb6530e7ff53407d

SHA256
d72a6ddad2652b9f78102ab1ab089a9bbc2c30539368a24fe70b05277407e1e4

SHA512
27db45eec5d3d0ff86e4f762b0e53179a25ec0685a280a2b324dd017ea9b420bbe66d6767aea2580f439e6c5da4b6e9f475317771337b4311e37dac776084bc5

Download Submit
C:\Users\Admin\AppData\Local\Temp\203671715396859.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
b710261f9bde1ef84f154b193962bc82

SHA1
cc86b2f1a5d6007a3e8bcc89fe4108381401943f

SHA256
282806f5eb1dcf7cb71f366b6ac311de9baf59294ec2d3a074f255c930d62792

SHA512
0944df9145ddc58512cab1a23c449b7d1a2b960bccf6b2ee5621593a0c10484186e5bc8c2a33d1004ba01e777c31a230295bead2f1a9af75c04b8a7f73c4f7a1

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/4588-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads