wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
147s
max time network
124s
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, 03:03

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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\~SD5916.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD590F.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
4816	!WannaDecryptor!.exe
3128	!WannaDecryptor!.exe
4188	!WannaDecryptor!.exe
2864	!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-1-5-21-2804150937-2146708401-419095071-1000\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
4840	taskkill.exe
4192	taskkill.exe
4144	taskkill.exe
888	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	4192	taskkill.exe
Token: SeDebugPrivilege	4144	taskkill.exe
Token: SeDebugPrivilege	888	taskkill.exe
Token: SeDebugPrivilege	4840	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4996	WMIC.exe
Token: SeSecurityPrivilege	4996	WMIC.exe
Token: SeTakeOwnershipPrivilege	4996	WMIC.exe
Token: SeLoadDriverPrivilege	4996	WMIC.exe
Token: SeSystemProfilePrivilege	4996	WMIC.exe
Token: SeSystemtimePrivilege	4996	WMIC.exe
Token: SeProfSingleProcessPrivilege	4996	WMIC.exe
Token: SeIncBasePriorityPrivilege	4996	WMIC.exe
Token: SeCreatePagefilePrivilege	4996	WMIC.exe
Token: SeBackupPrivilege	4996	WMIC.exe
Token: SeRestorePrivilege	4996	WMIC.exe
Token: SeShutdownPrivilege	4996	WMIC.exe
Token: SeDebugPrivilege	4996	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4996	WMIC.exe
Token: SeRemoteShutdownPrivilege	4996	WMIC.exe
Token: SeUndockPrivilege	4996	WMIC.exe
Token: SeManageVolumePrivilege	4996	WMIC.exe
Token: 33	4996	WMIC.exe
Token: 34	4996	WMIC.exe
Token: 35	4996	WMIC.exe
Token: 36	4996	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4996	WMIC.exe
Token: SeSecurityPrivilege	4996	WMIC.exe
Token: SeTakeOwnershipPrivilege	4996	WMIC.exe
Token: SeLoadDriverPrivilege	4996	WMIC.exe
Token: SeSystemProfilePrivilege	4996	WMIC.exe
Token: SeSystemtimePrivilege	4996	WMIC.exe
Token: SeProfSingleProcessPrivilege	4996	WMIC.exe
Token: SeIncBasePriorityPrivilege	4996	WMIC.exe
Token: SeCreatePagefilePrivilege	4996	WMIC.exe
Token: SeBackupPrivilege	4996	WMIC.exe
Token: SeRestorePrivilege	4996	WMIC.exe
Token: SeShutdownPrivilege	4996	WMIC.exe
Token: SeDebugPrivilege	4996	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4996	WMIC.exe
Token: SeRemoteShutdownPrivilege	4996	WMIC.exe
Token: SeUndockPrivilege	4996	WMIC.exe
Token: SeManageVolumePrivilege	4996	WMIC.exe
Token: 33	4996	WMIC.exe
Token: 34	4996	WMIC.exe
Token: 35	4996	WMIC.exe
Token: 36	4996	WMIC.exe
Token: SeBackupPrivilege	4412	vssvc.exe
Token: SeRestorePrivilege	4412	vssvc.exe
Token: SeAuditPrivilege	4412	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4816	!WannaDecryptor!.exe
4816	!WannaDecryptor!.exe
3128	!WannaDecryptor!.exe
3128	!WannaDecryptor!.exe
4188	!WannaDecryptor!.exe
4188	!WannaDecryptor!.exe
2864	!WannaDecryptor!.exe
2864	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 1576	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	82
PID 3028 wrote to memory of 1576	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	82
PID 3028 wrote to memory of 1576	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	82
PID 1576 wrote to memory of 3476	1576	cmd.exe	84
PID 1576 wrote to memory of 3476	1576	cmd.exe	84
PID 1576 wrote to memory of 3476	1576	cmd.exe	84
PID 3028 wrote to memory of 4816	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 3028 wrote to memory of 4816	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 3028 wrote to memory of 4816	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 3028 wrote to memory of 4840	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 3028 wrote to memory of 4840	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 3028 wrote to memory of 4840	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 3028 wrote to memory of 4192	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3028 wrote to memory of 4192	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3028 wrote to memory of 4192	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3028 wrote to memory of 4144	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 3028 wrote to memory of 4144	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 3028 wrote to memory of 4144	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 3028 wrote to memory of 888	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 3028 wrote to memory of 888	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 3028 wrote to memory of 888	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 3028 wrote to memory of 3128	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 3028 wrote to memory of 3128	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 3028 wrote to memory of 3128	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	100
PID 3028 wrote to memory of 748	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	101
PID 3028 wrote to memory of 748	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	101
PID 3028 wrote to memory of 748	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	101
PID 748 wrote to memory of 4188	748	cmd.exe	103
PID 748 wrote to memory of 4188	748	cmd.exe	103
PID 748 wrote to memory of 4188	748	cmd.exe	103
PID 3028 wrote to memory of 2864	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 3028 wrote to memory of 2864	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 3028 wrote to memory of 2864	3028	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 4188 wrote to memory of 1604	4188	!WannaDecryptor!.exe	106
PID 4188 wrote to memory of 1604	4188	!WannaDecryptor!.exe	106
PID 4188 wrote to memory of 1604	4188	!WannaDecryptor!.exe	106
PID 1604 wrote to memory of 4996	1604	cmd.exe	108
PID 1604 wrote to memory of 4996	1604	cmd.exe	108
PID 1604 wrote to memory of 4996	1604	cmd.exe	108

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:3028
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 181731715396620.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1576
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:3476
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4816
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4840
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4192
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4144
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:888
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3128
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:748
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4188
  - - 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:1604
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4996
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:2864

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4412

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
40132d35f0c25889087b91ab3c0ba530

SHA1
182e67399c5e9cd0cd7facd8feb0af24d3402c8b

SHA256
8dc45839e0dc2438abe3e321f66b4b25f5a42cb174944bf5808cdd11f0f4f9f4

SHA512
c14ec7224bf77a313026f913107dd8a94e25e0f336cf79b07098cf522810b0e3cc36537212c2c5cf9e260c03991bb7ecf490d9311efda7240442729ecd5cfb2f

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

Filesize
136B

MD5
1163f86b7cfd456a89aaddd69910099d

SHA1
cf0cdcae8baeb41bf2d8a78cf8a36ab240dd1a38

SHA256
6e5d872f8aff913d0bf70c37c61b5b49c0358cf914c3e38a924adc756322d41b

SHA512
6f1165879f730da691688c38a1c9955ebf6ea71e3fd2618a0734a231b811828ff32d2fe4269225bdfe7921e2c3e97e66ad0db3acd783ec916fbd449d03f3d4b7

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

Filesize
136B

MD5
6f9c60a11edbb1e0a8fea045b1570edf

SHA1
c58daf9bccc606e7a823f04d7f9da435a3466435

SHA256
932625fbe06ad26b41febbde2b92ffc3a94a40a6f3bd607de87c552db258016b

SHA512
ee984e4480bb899c01b8bdd76faa456d9060a3af07bcf2f6b36f2ff91890ff1ff6420354448428ae2c246080bcd8b302515d00e4e8e068bbc2f1abe9ebec993d

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

Filesize
136B

MD5
8f50f43d0c6b983c2d057efeb4dd8f99

SHA1
13c4c606c54d364749b705ae25aae7ce270d8e5a

SHA256
231894b9f6e6d8f16ea6fc51b1c13c15746af4b1b2d8c9d80cb21f58b94b8102

SHA512
bd77e3997dd5e2bbd9e16019e14046c13965207c38cee0771b8223bd61101c3101eede41cf171f591bda09cb7d99fe3b9470eb56ab116d4d41c40fc720228cee

Download Submit
C:\Users\Admin\AppData\Local\Temp\181731715396620.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
728c6ec52a9968f5f10d8b1b03f21d77

SHA1
04bbb42ce442359866742664cb345098b56b37b6

SHA256
8f2420c76ad5f3fbe04f833dc5899f6be21b53a1a7553f306eb3ea0ec4208e7a

SHA512
c1ecddb514819ac194fc90aa99380529441c43ea6c67572b0aa438e2c9bfd2329b937b69b8f556c906df1c760f4348702780414f45bc6395a9f2163692d0ba47

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/3028-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads