wannacry | 0dc0bafcf57eb86481be31c43796f7275ec1716424e25c7116a8206d7c2015e6

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 03:01

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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\~SD457C.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD4566.tmp	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe

Executes dropped EXE 4 IoCs

pid	Process
5060	!WannaDecryptor!.exe
2416	!WannaDecryptor!.exe
3584	!WannaDecryptor!.exe
3096	!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-1-5-21-1162180587-977231257-2194346871-1000\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
3008	taskkill.exe
4516	taskkill.exe
976	taskkill.exe
3992	taskkill.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	3008	taskkill.exe
Token: SeDebugPrivilege	3992	taskkill.exe
Token: SeDebugPrivilege	4516	taskkill.exe
Token: SeDebugPrivilege	976	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4600	WMIC.exe
Token: SeSecurityPrivilege	4600	WMIC.exe
Token: SeTakeOwnershipPrivilege	4600	WMIC.exe
Token: SeLoadDriverPrivilege	4600	WMIC.exe
Token: SeSystemProfilePrivilege	4600	WMIC.exe
Token: SeSystemtimePrivilege	4600	WMIC.exe
Token: SeProfSingleProcessPrivilege	4600	WMIC.exe
Token: SeIncBasePriorityPrivilege	4600	WMIC.exe
Token: SeCreatePagefilePrivilege	4600	WMIC.exe
Token: SeBackupPrivilege	4600	WMIC.exe
Token: SeRestorePrivilege	4600	WMIC.exe
Token: SeShutdownPrivilege	4600	WMIC.exe
Token: SeDebugPrivilege	4600	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4600	WMIC.exe
Token: SeRemoteShutdownPrivilege	4600	WMIC.exe
Token: SeUndockPrivilege	4600	WMIC.exe
Token: SeManageVolumePrivilege	4600	WMIC.exe
Token: 33	4600	WMIC.exe
Token: 34	4600	WMIC.exe
Token: 35	4600	WMIC.exe
Token: 36	4600	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4600	WMIC.exe
Token: SeSecurityPrivilege	4600	WMIC.exe
Token: SeTakeOwnershipPrivilege	4600	WMIC.exe
Token: SeLoadDriverPrivilege	4600	WMIC.exe
Token: SeSystemProfilePrivilege	4600	WMIC.exe
Token: SeSystemtimePrivilege	4600	WMIC.exe
Token: SeProfSingleProcessPrivilege	4600	WMIC.exe
Token: SeIncBasePriorityPrivilege	4600	WMIC.exe
Token: SeCreatePagefilePrivilege	4600	WMIC.exe
Token: SeBackupPrivilege	4600	WMIC.exe
Token: SeRestorePrivilege	4600	WMIC.exe
Token: SeShutdownPrivilege	4600	WMIC.exe
Token: SeDebugPrivilege	4600	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4600	WMIC.exe
Token: SeRemoteShutdownPrivilege	4600	WMIC.exe
Token: SeUndockPrivilege	4600	WMIC.exe
Token: SeManageVolumePrivilege	4600	WMIC.exe
Token: 33	4600	WMIC.exe
Token: 34	4600	WMIC.exe
Token: 35	4600	WMIC.exe
Token: 36	4600	WMIC.exe
Token: SeBackupPrivilege	3596	vssvc.exe
Token: SeRestorePrivilege	3596	vssvc.exe
Token: SeAuditPrivilege	3596	vssvc.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
5060	!WannaDecryptor!.exe
5060	!WannaDecryptor!.exe
2416	!WannaDecryptor!.exe
2416	!WannaDecryptor!.exe
3584	!WannaDecryptor!.exe
3584	!WannaDecryptor!.exe
3096	!WannaDecryptor!.exe
3096	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 3988	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	85
PID 3248 wrote to memory of 3988	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	85
PID 3248 wrote to memory of 3988	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	85
PID 3988 wrote to memory of 4828	3988	cmd.exe	87
PID 3988 wrote to memory of 4828	3988	cmd.exe	87
PID 3988 wrote to memory of 4828	3988	cmd.exe	87
PID 3248 wrote to memory of 5060	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 3248 wrote to memory of 5060	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 3248 wrote to memory of 5060	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	89
PID 3248 wrote to memory of 3008	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 3248 wrote to memory of 3008	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 3248 wrote to memory of 3008	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	90
PID 3248 wrote to memory of 3992	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3248 wrote to memory of 3992	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3248 wrote to memory of 3992	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	91
PID 3248 wrote to memory of 976	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 3248 wrote to memory of 976	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 3248 wrote to memory of 976	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	92
PID 3248 wrote to memory of 4516	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 3248 wrote to memory of 4516	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 3248 wrote to memory of 4516	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	93
PID 3248 wrote to memory of 2416	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	106
PID 3248 wrote to memory of 2416	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	106
PID 3248 wrote to memory of 2416	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	106
PID 3248 wrote to memory of 968	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 3248 wrote to memory of 968	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 3248 wrote to memory of 968	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	107
PID 968 wrote to memory of 3584	968	cmd.exe	109
PID 968 wrote to memory of 3584	968	cmd.exe	109
PID 968 wrote to memory of 3584	968	cmd.exe	109
PID 3248 wrote to memory of 3096	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	110
PID 3248 wrote to memory of 3096	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	110
PID 3248 wrote to memory of 3096	3248	be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe	110
PID 3584 wrote to memory of 1004	3584	!WannaDecryptor!.exe	114
PID 3584 wrote to memory of 1004	3584	!WannaDecryptor!.exe	114
PID 3584 wrote to memory of 1004	3584	!WannaDecryptor!.exe	114
PID 1004 wrote to memory of 4600	1004	cmd.exe	116
PID 1004 wrote to memory of 4600	1004	cmd.exe	116
PID 1004 wrote to memory of 4600	1004	cmd.exe	116

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:3248
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 43461715396511.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3988
- - C:\Windows\SysWOW64\cscript.exe
    cscript //nologo c.vbs
    3⤵
    PID:4828
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe f
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:5060
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im MSExchange*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3008
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Microsoft.Exchange.*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3992
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlserver.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:976
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im sqlwriter.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4516
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe c
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2416
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b !WannaDecryptor!.exe v
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:968
- - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
    !WannaDecryptor!.exe v
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3584
  - - 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:1004
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4600
- C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
  !WannaDecryptor!.exe
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - Suspicious use of SetWindowsHookEx
  PID:3096

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3596

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
eb8c67835b427ec5ff62bd82fa76c4cc

SHA1
babc6ffbdf5dff1b12a3842a86c3916a2b4b1930

SHA256
28d9c10656dc6000109e417ac295ef5ba370943ee2c66f4c5c674b075de4dbce

SHA512
f638af6db12edb496a6fdec11b7dbaaa0606c4f2fe95391735d8e53d60a3c1aa49f05ffc6a146cabce99bc3cf849fa0c23f58b32ba057ca47c7c8959ad06c3c2

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

Filesize
136B

MD5
90bce53c2985389393fb064e8b44c639

SHA1
1fe9c9dad4e70175b37a7afb2a1a2d252d288699

SHA256
19d73c9c2ced17a581ed7b93c7e99b18dca294f6e368409833461f7a3fb6dbc6

SHA512
7c8bd546d18d71907b9623dbafad75e8f9b3169d2ce830c27e41e0d47d68f156f7a08d6d6943e831940db8bb44f80cc88e60df77a31e12e41560c66af163484b

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

Filesize
136B

MD5
008e72af2cf578708a81658c678d23f6

SHA1
431d96a49d9c3f76895e3b2fe2f7a9931d7de407

SHA256
c7faac7c8a265ddab7c0da2b6d407461c3de251ce0d7518480a106d8edfb56ea

SHA512
baf2d6c8cc756fd5ba3aa00d92f4a2406508c4a3becfdde202e3b8549e86f157796f6a2b20e9df3760cb778e9db7d9758e6f63f7fe50e101738fe7514ae0b1d2

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

Filesize
136B

MD5
f22de2f5b50f18d58a16ed164b6ef377

SHA1
53f60199452c68969a6b329a4ce026a1702409d4

SHA256
9898dc517a3abc94206bdf0824fe852609d2986077a6e8a8abe3251d0b006dcb

SHA512
6625ed26ddd687db9911d127545659effaaad187f17a85753febbf6d63874d9028fa8c89aabcc0f58770a947652e745e1d4a6075a2ff70c16cd72a793c43b9a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\43461715396511.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
7b6e96ba03b2808f5a8f39cc0dfc18b6

SHA1
aeef28bfcfabb929fd958bcc8d46d2b244919b75

SHA256
dafa4878bed6651a2f0ef17d605ca3044c76f3468c3554e5c9ff04e184879e2c

SHA512
4fb0a8fac0a28f41a2eb6b44a6fcb056cfc74490e777f427d7315d5b782796c2ea69d80be4bdceda958deae0005e4b0ef20a4e9b392fcb23a504f7dca28d1d3d

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/3248-6-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads