wannacry | ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

Target

ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Size

3.4MB
MD5

84c82835a5d21bbcf75a61706d8ab549
SHA1

5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
SHA256

ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
SHA512

90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

Score

10^/10

wannacry discovery ransomware spyware worm

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\@[email protected]

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: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �

Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Executes dropped EXE 4 IoCs

pid	Process
2092	taskdl.exe
1388	@[email protected]
1700	@[email protected]
4408	taskhsvc.exe

Modifies extensions of user files 6 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File created	C:\Users\Admin\Pictures\NewInstall.tif.WNCRYT	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File renamed	C:\Users\Admin\Pictures\NewInstall.tif.WNCRYT => C:\Users\Admin\Pictures\NewInstall.tif.WNCRY	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File opened for modification	C:\Users\Admin\Pictures\NewInstall.tif.WNCRY	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File created	C:\Users\Admin\Pictures\UnblockEdit.tif.WNCRYT	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File renamed	C:\Users\Admin\Pictures\UnblockEdit.tif.WNCRYT => C:\Users\Admin\Pictures\UnblockEdit.tif.WNCRY	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File opened for modification	C:\Users\Admin\Pictures\UnblockEdit.tif.WNCRY	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD629E.tmp	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD62C4.tmp	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

Loads dropped DLL 9 IoCs

pid	Process
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4988	icacls.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

JavaScript code in executable 5 IoCs

resource	yara_rule
behavioral1/files/0x000100000001acfa-55.dat	js
behavioral1/files/0x000100000001acfa-56.dat	js
behavioral1/files/0x000100000001acf1-68.dat	js
behavioral1/files/0x000100000001acf1-67.dat	js
behavioral1/files/0x000100000001acf1-59.dat	js

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]"	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

Interacts with shadow copies 2 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
4568	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe
4408	taskhsvc.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeBackupPrivilege	4636	vssvc.exe
Token: SeRestorePrivilege	4636	vssvc.exe
Token: SeAuditPrivilege	4636	vssvc.exe
Token: SeIncreaseQuotaPrivilege	4620	WMIC.exe
Token: SeSecurityPrivilege	4620	WMIC.exe
Token: SeTakeOwnershipPrivilege	4620	WMIC.exe
Token: SeLoadDriverPrivilege	4620	WMIC.exe
Token: SeSystemProfilePrivilege	4620	WMIC.exe
Token: SeSystemtimePrivilege	4620	WMIC.exe
Token: SeProfSingleProcessPrivilege	4620	WMIC.exe
Token: SeIncBasePriorityPrivilege	4620	WMIC.exe
Token: SeCreatePagefilePrivilege	4620	WMIC.exe
Token: SeBackupPrivilege	4620	WMIC.exe
Token: SeRestorePrivilege	4620	WMIC.exe
Token: SeShutdownPrivilege	4620	WMIC.exe
Token: SeDebugPrivilege	4620	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4620	WMIC.exe
Token: SeRemoteShutdownPrivilege	4620	WMIC.exe
Token: SeUndockPrivilege	4620	WMIC.exe
Token: SeManageVolumePrivilege	4620	WMIC.exe
Token: 33	4620	WMIC.exe
Token: 34	4620	WMIC.exe
Token: 35	4620	WMIC.exe
Token: 36	4620	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4620	WMIC.exe
Token: SeSecurityPrivilege	4620	WMIC.exe
Token: SeTakeOwnershipPrivilege	4620	WMIC.exe
Token: SeLoadDriverPrivilege	4620	WMIC.exe
Token: SeSystemProfilePrivilege	4620	WMIC.exe
Token: SeSystemtimePrivilege	4620	WMIC.exe
Token: SeProfSingleProcessPrivilege	4620	WMIC.exe
Token: SeIncBasePriorityPrivilege	4620	WMIC.exe
Token: SeCreatePagefilePrivilege	4620	WMIC.exe
Token: SeBackupPrivilege	4620	WMIC.exe
Token: SeRestorePrivilege	4620	WMIC.exe
Token: SeShutdownPrivilege	4620	WMIC.exe
Token: SeDebugPrivilege	4620	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4620	WMIC.exe
Token: SeRemoteShutdownPrivilege	4620	WMIC.exe
Token: SeUndockPrivilege	4620	WMIC.exe
Token: SeManageVolumePrivilege	4620	WMIC.exe
Token: 33	4620	WMIC.exe
Token: 34	4620	WMIC.exe
Token: 35	4620	WMIC.exe
Token: 36	4620	WMIC.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1388	@[email protected]
1700	@[email protected]
1700	@[email protected]
1388	@[email protected]

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4960	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	72
PID 4712 wrote to memory of 4960	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	72
PID 4712 wrote to memory of 4960	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	72
PID 4712 wrote to memory of 4988	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	76
PID 4712 wrote to memory of 4988	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	76
PID 4712 wrote to memory of 4988	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	76
PID 4712 wrote to memory of 2092	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	79
PID 4712 wrote to memory of 2092	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	79
PID 4712 wrote to memory of 2092	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	79
PID 4712 wrote to memory of 4268	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	80
PID 4712 wrote to memory of 4268	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	80
PID 4712 wrote to memory of 4268	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	80
PID 4268 wrote to memory of 3152	4268	cmd.exe	82
PID 4268 wrote to memory of 3152	4268	cmd.exe	82
PID 4268 wrote to memory of 3152	4268	cmd.exe	82
PID 4712 wrote to memory of 1388	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	84
PID 4712 wrote to memory of 1388	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	84
PID 4712 wrote to memory of 1388	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	84
PID 4712 wrote to memory of 1392	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	85
PID 4712 wrote to memory of 1392	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	85
PID 4712 wrote to memory of 1392	4712	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	85
PID 1392 wrote to memory of 1700	1392	cmd.exe	87
PID 1392 wrote to memory of 1700	1392	cmd.exe	87
PID 1392 wrote to memory of 1700	1392	cmd.exe	87
PID 1388 wrote to memory of 4408	1388	@[email protected]	91
PID 1388 wrote to memory of 4408	1388	@[email protected]	91
PID 1388 wrote to memory of 4408	1388	@[email protected]	91
PID 1700 wrote to memory of 3024	1700	@[email protected]	94
PID 1700 wrote to memory of 3024	1700	@[email protected]	94
PID 1700 wrote to memory of 3024	1700	@[email protected]	94
PID 3024 wrote to memory of 4568	3024	cmd.exe	96
PID 3024 wrote to memory of 4568	3024	cmd.exe	96
PID 3024 wrote to memory of 4568	3024	cmd.exe	96
PID 3024 wrote to memory of 4620	3024	cmd.exe	98
PID 3024 wrote to memory of 4620	3024	cmd.exe	98
PID 3024 wrote to memory of 4620	3024	cmd.exe	98

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
4960	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
"C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
1⤵
- Modifies extensions of user files
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\attrib.exe
  attrib +h .
  2⤵
  - Views/modifies file attributes
  PID:4960
- C:\Windows\SysWOW64\icacls.exe
  icacls . /grant Everyone:F /T /C /Q
  2⤵
  - Modifies file permissions
  PID:4988
- C:\Users\Admin\AppData\Local\Temp\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  PID:2092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 133931610670879.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4268
- - C:\Windows\SysWOW64\cscript.exe
    cscript.exe //nologo m.vbs
    3⤵
    PID:3152
- C:\Users\Admin\AppData\Local\Temp\@[email protected]
  @[email protected] co
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exe
    TaskData\Tor\taskhsvc.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:4408
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b @[email protected] vs
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1392
- - C:\Users\Admin\AppData\Local\Temp\@[email protected]
    @[email protected] vs
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1700
  - - 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:3024
    - - C:\Windows\SysWOW64\vssadmin.exe
        
        vssadmin delete shadows /all /quiet
        5⤵
        Interacts with shadow copies
        
        PID:4568
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4620

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

File Deletion

T1107

File and Directory Permissions Modification

T1222

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

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

memory/4408-72-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/4408-237-0x0000000003500000-0x0000000003501000-memory.dmp

Filesize
4KB

Download
memory/4408-73-0x0000000003500000-0x0000000003501000-memory.dmp

Filesize
4KB

Download
memory/4408-74-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/4408-75-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/4408-127-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/4408-285-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/4408-236-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/4408-238-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download