wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
13/05/2024, 19:06

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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\~SD4DC4.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD4DAE.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
432	!WannaDecryptor!.exe
1728	!WannaDecryptor!.exe
212	!WannaDecryptor!.exe
1528	!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-1-5-21-3906287020-2915474608-1755617787-1000\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
1308	taskkill.exe
208	taskkill.exe
5024	taskkill.exe
4184	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	5024	taskkill.exe
Token: SeDebugPrivilege	208	taskkill.exe
Token: SeDebugPrivilege	4184	taskkill.exe
Token: SeDebugPrivilege	1308	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4728	WMIC.exe
Token: SeSecurityPrivilege	4728	WMIC.exe
Token: SeTakeOwnershipPrivilege	4728	WMIC.exe
Token: SeLoadDriverPrivilege	4728	WMIC.exe
Token: SeSystemProfilePrivilege	4728	WMIC.exe
Token: SeSystemtimePrivilege	4728	WMIC.exe
Token: SeProfSingleProcessPrivilege	4728	WMIC.exe
Token: SeIncBasePriorityPrivilege	4728	WMIC.exe
Token: SeCreatePagefilePrivilege	4728	WMIC.exe
Token: SeBackupPrivilege	4728	WMIC.exe
Token: SeRestorePrivilege	4728	WMIC.exe
Token: SeShutdownPrivilege	4728	WMIC.exe
Token: SeDebugPrivilege	4728	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4728	WMIC.exe
Token: SeRemoteShutdownPrivilege	4728	WMIC.exe
Token: SeUndockPrivilege	4728	WMIC.exe
Token: SeManageVolumePrivilege	4728	WMIC.exe
Token: 33	4728	WMIC.exe
Token: 34	4728	WMIC.exe
Token: 35	4728	WMIC.exe
Token: 36	4728	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4728	WMIC.exe
Token: SeSecurityPrivilege	4728	WMIC.exe
Token: SeTakeOwnershipPrivilege	4728	WMIC.exe
Token: SeLoadDriverPrivilege	4728	WMIC.exe
Token: SeSystemProfilePrivilege	4728	WMIC.exe
Token: SeSystemtimePrivilege	4728	WMIC.exe
Token: SeProfSingleProcessPrivilege	4728	WMIC.exe
Token: SeIncBasePriorityPrivilege	4728	WMIC.exe
Token: SeCreatePagefilePrivilege	4728	WMIC.exe
Token: SeBackupPrivilege	4728	WMIC.exe
Token: SeRestorePrivilege	4728	WMIC.exe
Token: SeShutdownPrivilege	4728	WMIC.exe
Token: SeDebugPrivilege	4728	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4728	WMIC.exe
Token: SeRemoteShutdownPrivilege	4728	WMIC.exe
Token: SeUndockPrivilege	4728	WMIC.exe
Token: SeManageVolumePrivilege	4728	WMIC.exe
Token: 33	4728	WMIC.exe
Token: 34	4728	WMIC.exe
Token: 35	4728	WMIC.exe
Token: 36	4728	WMIC.exe
Token: SeBackupPrivilege	4392	vssvc.exe
Token: SeRestorePrivilege	4392	vssvc.exe
Token: SeAuditPrivilege	4392	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
432	!WannaDecryptor!.exe
432	!WannaDecryptor!.exe
1728	!WannaDecryptor!.exe
1728	!WannaDecryptor!.exe
212	!WannaDecryptor!.exe
212	!WannaDecryptor!.exe
1528	!WannaDecryptor!.exe
1528	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 3080	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	82
PID 3092 wrote to memory of 3080	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	82
PID 3092 wrote to memory of 3080	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	82
PID 3080 wrote to memory of 1512	3080	cmd.exe	84
PID 3080 wrote to memory of 1512	3080	cmd.exe	84
PID 3080 wrote to memory of 1512	3080	cmd.exe	84
PID 3092 wrote to memory of 432	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 3092 wrote to memory of 432	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 3092 wrote to memory of 432	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	88
PID 3092 wrote to memory of 1308	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 3092 wrote to memory of 1308	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 3092 wrote to memory of 1308	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 3092 wrote to memory of 4184	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 3092 wrote to memory of 4184	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 3092 wrote to memory of 4184	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 3092 wrote to memory of 5024	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3092 wrote to memory of 5024	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3092 wrote to memory of 5024	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3092 wrote to memory of 208	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 3092 wrote to memory of 208	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 3092 wrote to memory of 208	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 3092 wrote to memory of 1728	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 3092 wrote to memory of 1728	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 3092 wrote to memory of 1728	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	105
PID 3092 wrote to memory of 1872	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	106
PID 3092 wrote to memory of 1872	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	106
PID 3092 wrote to memory of 1872	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	106
PID 1872 wrote to memory of 212	1872	cmd.exe	108
PID 1872 wrote to memory of 212	1872	cmd.exe	108
PID 1872 wrote to memory of 212	1872	cmd.exe	108
PID 3092 wrote to memory of 1528	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	109
PID 3092 wrote to memory of 1528	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	109
PID 3092 wrote to memory of 1528	3092	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	109
PID 212 wrote to memory of 956	212	!WannaDecryptor!.exe	113
PID 212 wrote to memory of 956	212	!WannaDecryptor!.exe	113
PID 212 wrote to memory of 956	212	!WannaDecryptor!.exe	113
PID 956 wrote to memory of 4728	956	cmd.exe	115
PID 956 wrote to memory of 4728	956	cmd.exe	115
PID 956 wrote to memory of 4728	956	cmd.exe	115

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:3092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 113871715627233.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3080
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:1512
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:432
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1308
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4184
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:5024
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:208
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1728
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1872
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:212
  - - 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:956
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4728
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:1528

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4392

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
98ed844df62d630f14c08319cfda2656

SHA1
5ff0eeac53401debb578d67aee36f928203c4371

SHA256
512e69c7daf9f31c3f596e8cd0edca1d4a78b2cd7ca565737eae7db3d20850e3

SHA512
66eca85c6b82a60ece08e4dec5aa5b081019e6406102a01d5883be3a71b6826e65a521df85cefe76d737e7ae345ed791bbc972061e97af3e802841389ae00a16

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

Filesize
136B

MD5
87d68bbaa8fbfbcf38ddbb9893278542

SHA1
5f62d14282da635f6c0f212f823fcb6fbabadd41

SHA256
a3b3ad78a5bdcf957ba29fbd48c4993d5b4fae08e65aa5b0303e34bff9530eb3

SHA512
bc61ff38e5eda6c3645ef50ea7eec710cc260e62d445957a1474acc4cb93799cd0d62591900b39120cdb1426b9476d3cae7a883da1ef1a1d9034c20d13be7b0d

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

Filesize
136B

MD5
8474f72f0dd964e03a6739218089c284

SHA1
63c447c81dd94fd8ea47c8b8cb4c4526637fd98d

SHA256
76aa72040d2c5b9650b98e45d61558f86e579aa7bb08f79d2da552e5ac45008c

SHA512
37b4607183bc66e32970b4c5587acc8519f23a510149d8e0804af933f6dc94f8d18f517ef65cf436b31604cdaf76dd2ab34170a8431662df8548e73476454264

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

Filesize
136B

MD5
47939d30c8b76ce5c3188e1fe4e69f8a

SHA1
3d59dc9f0ab3e4f2c6ee03cf7edbafffd5cc0301

SHA256
533607baaeaa7e52b9b1d9d5313aeea3c63cfbc78f129f48987387749ad3bd4f

SHA512
4fa618463f8e9137da4ad5225cda58ac8614f4f2336296d6ce4a44103d494289ec7dd3680e617dd7edb7bc065f44ebc78756034c748207ac25878299b7bed820

Download Submit
C:\Users\Admin\AppData\Local\Temp\113871715627233.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
03c77c0a59fe43a3819b0fa274216f9c

SHA1
277446e4f3c1a8e350d944fb4cb6f055d2f41c64

SHA256
862ee5fdbac02bfaf6125f4467424838cbd41c6328a9f6e9dac3331a22c083e2

SHA512
2581519adcd647be502e400fa53e3158201bd385c48ca7084c50d91f8e3611435cea2848466452ccc291fc4ec832f99d0a22113601d5a914b1155aebc9d4234d

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/3092-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads