84dc89e2d19d53dcb61204a6bf84fbe8395fde26ee561f14f79c61f24da2b5db

Reason

Machine shutdown

General

Target

ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe
Size

28KB
MD5

ee1a5d0030fc44006f94f02dea2814ca
SHA1

fea3289f603f4e310992b4f218e5d90826180bef
SHA256

84dc89e2d19d53dcb61204a6bf84fbe8395fde26ee561f14f79c61f24da2b5db
SHA512

2c219e6154c419a6d02b2e0ba2c54ecfe63f5cf6c7139d60e8c73c8cda1820c74083da246279924f567cc67b0ae907037123dc675872c703bc4f4ec8f5c1e2ac
SSDEEP

192:2h8QGIjbhRm1llmJUVMNdZriONjBAqHD2llv:2CQ17m1llVuLr7NlAqHD2Dv

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe c:\\windows\\shut.exe"	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe

Blocks application from running via registry modification 2 IoCs

Adds application to list of disallowed applications.

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\is = "icesword.exe"	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 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\360safe = "c:\\windows\\shut.exe"	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\360safe = "c:\\windows\\shut.exe"	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\shut.exe	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe
File opened for modification	\??\c:\windows\shut.exe	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2620	shutdown.exe
Token: SeRemoteShutdownPrivilege	2620	shutdown.exe
Token: SeShutdownPrivilege	2740	shutdown.exe
Token: SeRemoteShutdownPrivilege	2740	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1760	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 796	1760	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe	30
PID 1760 wrote to memory of 796	1760	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe	30
PID 1760 wrote to memory of 796	1760	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe	30
PID 1760 wrote to memory of 796	1760	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe	30
PID 796 wrote to memory of 2620	796	cmd.exe	32
PID 796 wrote to memory of 2620	796	cmd.exe	32
PID 796 wrote to memory of 2620	796	cmd.exe	32
PID 796 wrote to memory of 2620	796	cmd.exe	32
PID 1760 wrote to memory of 1308	1760	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe	34
PID 1760 wrote to memory of 1308	1760	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe	34
PID 1760 wrote to memory of 1308	1760	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe	34
PID 1760 wrote to memory of 1308	1760	ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe	34
PID 1308 wrote to memory of 2740	1308	cmd.exe	36
PID 1308 wrote to memory of 2740	1308	cmd.exe	36
PID 1308 wrote to memory of 2740	1308	cmd.exe	36
PID 1308 wrote to memory of 2740	1308	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ee1a5d0030fc44006f94f02dea2814ca_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Blocks application from running via registry modification
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\cmd.exe
  cmd /c shutdown -r -t 90
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:796
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown -r -t 90
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2620
- C:\Windows\SysWOW64\cmd.exe
  cmd /c shutdown -r -t 00
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1308
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown -r -t 00
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2740

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:3000

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2520-5-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/3000-4-0x0000000002D60000-0x0000000002D61000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads