wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
147s
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
13/05/2024, 19:09

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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\~SD277.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD27E.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
3216	!WannaDecryptor!.exe
2520	!WannaDecryptor!.exe
2268	!WannaDecryptor!.exe
2852	!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
1284	taskkill.exe
3380	taskkill.exe
2568	taskkill.exe
2972	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	3380	taskkill.exe
Token: SeDebugPrivilege	2568	taskkill.exe
Token: SeDebugPrivilege	2972	taskkill.exe
Token: SeDebugPrivilege	1284	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4840	WMIC.exe
Token: SeSecurityPrivilege	4840	WMIC.exe
Token: SeTakeOwnershipPrivilege	4840	WMIC.exe
Token: SeLoadDriverPrivilege	4840	WMIC.exe
Token: SeSystemProfilePrivilege	4840	WMIC.exe
Token: SeSystemtimePrivilege	4840	WMIC.exe
Token: SeProfSingleProcessPrivilege	4840	WMIC.exe
Token: SeIncBasePriorityPrivilege	4840	WMIC.exe
Token: SeCreatePagefilePrivilege	4840	WMIC.exe
Token: SeBackupPrivilege	4840	WMIC.exe
Token: SeRestorePrivilege	4840	WMIC.exe
Token: SeShutdownPrivilege	4840	WMIC.exe
Token: SeDebugPrivilege	4840	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4840	WMIC.exe
Token: SeRemoteShutdownPrivilege	4840	WMIC.exe
Token: SeUndockPrivilege	4840	WMIC.exe
Token: SeManageVolumePrivilege	4840	WMIC.exe
Token: 33	4840	WMIC.exe
Token: 34	4840	WMIC.exe
Token: 35	4840	WMIC.exe
Token: 36	4840	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4840	WMIC.exe
Token: SeSecurityPrivilege	4840	WMIC.exe
Token: SeTakeOwnershipPrivilege	4840	WMIC.exe
Token: SeLoadDriverPrivilege	4840	WMIC.exe
Token: SeSystemProfilePrivilege	4840	WMIC.exe
Token: SeSystemtimePrivilege	4840	WMIC.exe
Token: SeProfSingleProcessPrivilege	4840	WMIC.exe
Token: SeIncBasePriorityPrivilege	4840	WMIC.exe
Token: SeCreatePagefilePrivilege	4840	WMIC.exe
Token: SeBackupPrivilege	4840	WMIC.exe
Token: SeRestorePrivilege	4840	WMIC.exe
Token: SeShutdownPrivilege	4840	WMIC.exe
Token: SeDebugPrivilege	4840	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4840	WMIC.exe
Token: SeRemoteShutdownPrivilege	4840	WMIC.exe
Token: SeUndockPrivilege	4840	WMIC.exe
Token: SeManageVolumePrivilege	4840	WMIC.exe
Token: 33	4840	WMIC.exe
Token: 34	4840	WMIC.exe
Token: 35	4840	WMIC.exe
Token: 36	4840	WMIC.exe
Token: SeBackupPrivilege	3300	vssvc.exe
Token: SeRestorePrivilege	3300	vssvc.exe
Token: SeAuditPrivilege	3300	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3216	!WannaDecryptor!.exe
3216	!WannaDecryptor!.exe
2520	!WannaDecryptor!.exe
2520	!WannaDecryptor!.exe
2268	!WannaDecryptor!.exe
2268	!WannaDecryptor!.exe
2852	!WannaDecryptor!.exe
2852	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 1252	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 776 wrote to memory of 1252	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 776 wrote to memory of 1252	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 1252 wrote to memory of 1296	1252	cmd.exe	91
PID 1252 wrote to memory of 1296	1252	cmd.exe	91
PID 1252 wrote to memory of 1296	1252	cmd.exe	91
PID 776 wrote to memory of 3216	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	95
PID 776 wrote to memory of 3216	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	95
PID 776 wrote to memory of 3216	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	95
PID 776 wrote to memory of 3380	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	97
PID 776 wrote to memory of 3380	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	97
PID 776 wrote to memory of 3380	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	97
PID 776 wrote to memory of 2568	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	98
PID 776 wrote to memory of 2568	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	98
PID 776 wrote to memory of 2568	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	98
PID 776 wrote to memory of 2972	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	99
PID 776 wrote to memory of 2972	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	99
PID 776 wrote to memory of 2972	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	99
PID 776 wrote to memory of 1284	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 776 wrote to memory of 1284	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 776 wrote to memory of 1284	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 776 wrote to memory of 2520	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	112
PID 776 wrote to memory of 2520	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	112
PID 776 wrote to memory of 2520	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	112
PID 776 wrote to memory of 4304	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	113
PID 776 wrote to memory of 4304	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	113
PID 776 wrote to memory of 4304	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	113
PID 4304 wrote to memory of 2268	4304	cmd.exe	115
PID 4304 wrote to memory of 2268	4304	cmd.exe	115
PID 4304 wrote to memory of 2268	4304	cmd.exe	115
PID 776 wrote to memory of 2852	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	116
PID 776 wrote to memory of 2852	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	116
PID 776 wrote to memory of 2852	776	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	116
PID 2268 wrote to memory of 212	2268	!WannaDecryptor!.exe	118
PID 2268 wrote to memory of 212	2268	!WannaDecryptor!.exe	118
PID 2268 wrote to memory of 212	2268	!WannaDecryptor!.exe	118
PID 212 wrote to memory of 4840	212	cmd.exe	120
PID 212 wrote to memory of 4840	212	cmd.exe	120
PID 212 wrote to memory of 4840	212	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:776
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 298191715627350.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:1296
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3216
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3380
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2568
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2972
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1284
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2520
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4304
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - 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:212
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4840
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:2852

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=4244,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4156 /prefetch:8
1⤵
PID:2972

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3300

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
5726ce4fc437ad26c02670549662b66e

SHA1
802af406675086373e01ee4db39dc791bffa260a

SHA256
44be431281df86fe67358dcd6f75ac8ea836fca4d711d546aa5ad5b114c2b177

SHA512
f95d1ff7ee64f81f7d327849c3ee0f9ae805826099e5f376a5e35dbabb8a2392d413b124f91bb541b32beb7e3c8006bf7ed3420a601b94ec58f9729bb293d84e

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

Filesize
136B

MD5
43c564fa7b7b110105d6358aa7bb4661

SHA1
0f65680df95418967ab4e94efcdbc75c939d7350

SHA256
ff71949d44d059322fde4ab56a57b0f3c3956d2f5373489d4936dd855874b8fc

SHA512
9b742c962479c4535fcdd16a64505359d5e20fcd5cd86d457901c24e138161920e6b90838305ffe63a1839eef1fe7bd0ff6cf4711a1e7b9c634a89ec7f544a3e

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

Filesize
136B

MD5
448fe6d0972cec279651909379da970b

SHA1
406c9a22977793e1fb8efe273cf732362aae9031

SHA256
ef1828fbc7a0706995984b0f542debfdf3ae345db083a7d6b5861052725fb3a7

SHA512
8eab004fd05f0ddab83b8956c1011c3ed6a69f4d18c47577f5cb6aa8d94e9a85f893c2c1d0a415bd91a99c4479158e35e218fb70c87d9276dcb3243f5560fe7a

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

Filesize
136B

MD5
4216a117c4b3b2d09bc2708f9686efdf

SHA1
141752a90f916cf8581aff407430f6e84a7720b2

SHA256
a482ea3f7b82dcedacbccb6e6284b00794f66d86fe18116b9c0d089e5c089349

SHA512
b7480fb24c1d8b9230d75c4369ecbc3b1d4ba1fdbc4cea19430e6ca3242804c45e7d974a43087a7cfe37c9c288599e8837221bcdc5b3b1f0584d7449f3c5fcad

Download Submit
C:\Users\Admin\AppData\Local\Temp\298191715627350.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
59c748aeb116dbba5ef7c39a8f3bff07

SHA1
e1485516aaab53a95377a3ce0fd993f2516487b9

SHA256
16bc6e04d9ad29230798ad6e2bc4e6c809b3df9221b868228b1c0ac247fc0852

SHA512
174b6cb7e6818e0222786ea4ab14cc984debe9f368b8aae099221b670a065074447c36bbd4e9481d9cd5bc61b673c9461c9b8e05d5670f5242473bd7b33eb83d

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/776-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads