wannacry | ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

Target

ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Sample

200107-9fwg48tgaj
SHA256

ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

Score

10^/10

ransomware worm wannacry persistence

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1980	@[email protected]

Drops startup file 6 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD60C2.tmp	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File deleted	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD60C2.tmp	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File created (read-only)	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD60E5.tmp	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD60E5.tmp	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File deleted	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD60E5.tmp	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
File created (read-only)	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD60C2.tmp	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1272	reg.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 316	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	27
PID 1280 wrote to memory of 1108	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	29
PID 1280 wrote to memory of 1692	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	31
PID 1280 wrote to memory of 1344	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	32
PID 1344 wrote to memory of 2032	1344	cmd.exe	34
PID 1280 wrote to memory of 308	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	36
PID 1280 wrote to memory of 1340	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	37
PID 1340 wrote to memory of 2008	1340	cmd.exe	39
PID 308 wrote to memory of 1020	308	@[email protected]	41
PID 2008 wrote to memory of 1564	2008	@[email protected]	43
PID 1564 wrote to memory of 1272	1564	cmd.exe	45
PID 1564 wrote to memory of 1968	1564	cmd.exe	47
PID 1280 wrote to memory of 2036	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	49
PID 1280 wrote to memory of 1292	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	50
PID 1280 wrote to memory of 1980	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	51
PID 1280 wrote to memory of 2008	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	52
PID 2008 wrote to memory of 1272	2008	cmd.exe	54
PID 1280 wrote to memory of 1692	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	55
PID 1280 wrote to memory of 736	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	56
PID 1280 wrote to memory of 1956	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	57
PID 1280 wrote to memory of 1724	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	59
PID 1280 wrote to memory of 636	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	60
PID 1280 wrote to memory of 660	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	61
PID 1280 wrote to memory of 2024	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	64
PID 1280 wrote to memory of 1892	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	65
PID 1280 wrote to memory of 2028	1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	66

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2008	@[email protected]
308	@[email protected]
1980	@[email protected]
1956	@[email protected]
660	@[email protected]
2028	@[email protected]

Adds Run entry to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ftqqepmlkbmm513 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tasksche.exe\""

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1020	taskhsvc.exe

Deletes shadow copies 2 TTPs 2 IoCs

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
1272	vssadmin.exe
1968	WMIC.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeBackupPrivilege	1328	vssvc.exe
Token: SeRestorePrivilege	1328	vssvc.exe
Token: SeAuditPrivilege	1328	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1968	WMIC.exe
Token: SeSecurityPrivilege	1968	WMIC.exe
Token: SeTakeOwnershipPrivilege	1968	WMIC.exe
Token: SeLoadDriverPrivilege	1968	WMIC.exe
Token: SeSystemProfilePrivilege	1968	WMIC.exe
Token: SeSystemtimePrivilege	1968	WMIC.exe
Token: SeProfSingleProcessPrivilege	1968	WMIC.exe
Token: SeIncBasePriorityPrivilege	1968	WMIC.exe
Token: SeCreatePagefilePrivilege	1968	WMIC.exe
Token: SeBackupPrivilege	1968	WMIC.exe
Token: SeRestorePrivilege	1968	WMIC.exe
Token: SeShutdownPrivilege	1968	WMIC.exe
Token: SeDebugPrivilege	1968	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1968	WMIC.exe
Token: SeRemoteShutdownPrivilege	1968	WMIC.exe
Token: SeUndockPrivilege	1968	WMIC.exe
Token: SeManageVolumePrivilege	1968	WMIC.exe
Token: 33	1968	WMIC.exe
Token: 34	1968	WMIC.exe
Token: 35	1968	WMIC.exe
Token: SeTcbPrivilege	1292	taskse.exe
Token: SeTcbPrivilege	736	taskse.exe
Token: SeTcbPrivilege	636	taskse.exe
Token: SeTcbPrivilege	1892	taskse.exe

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
316	attrib.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc
Set value (str)	\REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]"

Modifies file permissions 1 TTPs 1 IoCs

File and Directory Permissions Modification

T1222

pid	Process
1108	icacls.exe

Loads dropped DLL 5 IoCs

pid	Process
1280	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
2032	cscript.exe
1340	cmd.exe
308	@[email protected]
1020	taskhsvc.exe

Executes dropped EXE 16 IoCs

pid	Process
1692	taskdl.exe
308	@[email protected]
2008	@[email protected]
1020	taskhsvc.exe
2036	taskdl.exe
1292	taskse.exe
1980	@[email protected]
1692	taskdl.exe
736	taskse.exe
1956	@[email protected]
1724	taskdl.exe
636	taskse.exe
660	@[email protected]
2024	taskdl.exe
1892	taskse.exe
2028	@[email protected]

C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
"C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
PID:1280
- C:\Windows\SysWOW64\attrib.exe
  attrib +h .
  2⤵
  - Views/modifies file attributes
  PID:316
- C:\Windows\SysWOW64\icacls.exe
  icacls . /grant Everyone:F /T /C /Q
  2⤵
  - Modifies file permissions
  PID:1108
- C:\Users\Admin\AppData\Local\Temp\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  PID:1692
- C:\Windows\SysWOW64\cmd.exe
  cmd /c 9311578389177.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Windows\SysWOW64\cscript.exe
    cscript.exe //nologo m.vbs
    3⤵
    - Loads dropped DLL
    PID:2032
- C:\Users\Admin\AppData\Local\Temp\@[email protected]
  @[email protected] co
  2⤵
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetWindowsHookEx
  - Loads dropped DLL
  - Executes dropped EXE
  PID:308
- - C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exe
    TaskData\Tor\taskhsvc.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Loads dropped DLL
    - Executes dropped EXE
    PID:1020
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b @[email protected] vs
  2⤵
  - Suspicious use of WriteProcessMemory
  - Loads dropped DLL
  PID:1340
- - C:\Users\Admin\AppData\Local\Temp\@[email protected]
    @[email protected] vs
    3⤵
    - Suspicious use of WriteProcessMemory
    - Suspicious use of SetWindowsHookEx
    - Executes dropped EXE
    PID:2008
  - - 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:1564
    - - C:\Windows\SysWOW64\vssadmin.exe
        
        vssadmin delete shadows /all /quiet
        5⤵
        Deletes shadow copies
        
        PID:1272
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Deletes shadow copies
        Suspicious use of AdjustPrivilegeToken
        
        PID:1968
- C:\Users\Admin\AppData\Local\Temp\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  PID:2036
- C:\Users\Admin\AppData\Local\Temp\taskse.exe
  taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Executes dropped EXE
  PID:1292
- C:\Users\Admin\AppData\Local\Temp\@[email protected]
  @[email protected]
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Executes dropped EXE
  PID:1980
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "ftqqepmlkbmm513" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2008
- - C:\Windows\SysWOW64\reg.exe
    reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "ftqqepmlkbmm513" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
    3⤵
    - Modifies registry key
    PID:1272
- C:\Users\Admin\AppData\Local\Temp\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  PID:1692
- C:\Users\Admin\AppData\Local\Temp\taskse.exe
  taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Executes dropped EXE
  PID:736
- C:\Users\Admin\AppData\Local\Temp\@[email protected]
  @[email protected]
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Executes dropped EXE
  PID:1956
- C:\Users\Admin\AppData\Local\Temp\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  PID:1724
- C:\Users\Admin\AppData\Local\Temp\taskse.exe
  taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Executes dropped EXE
  PID:636
- C:\Users\Admin\AppData\Local\Temp\@[email protected]
  @[email protected]
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Executes dropped EXE
  PID:660
- C:\Users\Admin\AppData\Local\Temp\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  PID:2024
- C:\Users\Admin\AppData\Local\Temp\taskse.exe
  taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Executes dropped EXE
  PID:1892
- C:\Users\Admin\AppData\Local\Temp\@[email protected]
  @[email protected]
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Executes dropped EXE
  PID:2028

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Deletion

T1107

File and Directory Permissions Modification

T1222

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/1020-235-0x0000000002B00000-0x0000000002B11000-memory.dmp

Filesize
68KB

Download
memory/1020-237-0x0000000002B00000-0x0000000002B11000-memory.dmp

Filesize
68KB

Download
memory/1020-403-0x00000000033A0000-0x00000000033B1000-memory.dmp

Filesize
68KB

Download
memory/1020-404-0x00000000037B0000-0x00000000037C1000-memory.dmp

Filesize
68KB

Download
memory/1020-405-0x00000000033A0000-0x00000000033B1000-memory.dmp

Filesize
68KB

Download
memory/1020-68-0x0000000002B00000-0x0000000002B11000-memory.dmp

Filesize
68KB

Download
memory/1020-236-0x0000000002F10000-0x0000000002F21000-memory.dmp

Filesize
68KB

Download
memory/1020-70-0x0000000002B00000-0x0000000002B11000-memory.dmp

Filesize
68KB

Download
memory/1020-69-0x0000000002F10000-0x0000000002F21000-memory.dmp

Filesize
68KB

Download
memory/1280-2-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/1980-708-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/2032-44-0x0000000002560000-0x0000000002564000-memory.dmp

Filesize
16KB

Download