Analysis
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max time kernel
145s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-12-2024 22:16
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe
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Size
243KB
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MD5
5bec809283e0c01e1992ead19a369ff7
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SHA1
4885c08dc92d4c9ce5f5851d41626d5bdd84504d
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SHA256
3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f
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SHA512
3918e327a4bd7c75de753c2988e3d1af735168a995d4a5f05a7469e2694c104f6bd1d5c22a22d1b1fa167344c75041ea3fec87681c6becd620905138629354a2
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SSDEEP
6144:ogZQpRhZlXC496tu87b7PYJVWs6b4B3D3lcxx:HZsXC496T7P+Qb4BTex
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Tofsee family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\bczmnikz = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2644 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\bczmnikz\ImagePath = "C:\\Windows\\SysWOW64\\bczmnikz\\jylhtslx.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2576 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2724 jylhtslx.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2724 set thread context of 2576 2724 jylhtslx.exe 41 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2696 sc.exe 3020 sc.exe 3068 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jylhtslx.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2320 wrote to memory of 2296 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 28 PID 2320 wrote to memory of 2296 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 28 PID 2320 wrote to memory of 2296 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 28 PID 2320 wrote to memory of 2296 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 28 PID 2320 wrote to memory of 1624 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 30 PID 2320 wrote to memory of 1624 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 30 PID 2320 wrote to memory of 1624 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 30 PID 2320 wrote to memory of 1624 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 30 PID 2320 wrote to memory of 3020 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 32 PID 2320 wrote to memory of 3020 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 32 PID 2320 wrote to memory of 3020 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 32 PID 2320 wrote to memory of 3020 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 32 PID 2320 wrote to memory of 3068 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 34 PID 2320 wrote to memory of 3068 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 34 PID 2320 wrote to memory of 3068 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 34 PID 2320 wrote to memory of 3068 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 34 PID 2320 wrote to memory of 2696 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 36 PID 2320 wrote to memory of 2696 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 36 PID 2320 wrote to memory of 2696 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 36 PID 2320 wrote to memory of 2696 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 36 PID 2320 wrote to memory of 2644 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 39 PID 2320 wrote to memory of 2644 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 39 PID 2320 wrote to memory of 2644 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 39 PID 2320 wrote to memory of 2644 2320 JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe 39 PID 2724 wrote to memory of 2576 2724 jylhtslx.exe 41 PID 2724 wrote to memory of 2576 2724 jylhtslx.exe 41 PID 2724 wrote to memory of 2576 2724 jylhtslx.exe 41 PID 2724 wrote to memory of 2576 2724 jylhtslx.exe 41 PID 2724 wrote to memory of 2576 2724 jylhtslx.exe 41 PID 2724 wrote to memory of 2576 2724 jylhtslx.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bczmnikz\2⤵
- System Location Discovery: System Language Discovery
PID:2296
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jylhtslx.exe" C:\Windows\SysWOW64\bczmnikz\2⤵
- System Location Discovery: System Language Discovery
PID:1624
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create bczmnikz binPath= "C:\Windows\SysWOW64\bczmnikz\jylhtslx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3020
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description bczmnikz "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3068
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start bczmnikz2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2696
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2644
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C:\Windows\SysWOW64\bczmnikz\jylhtslx.exeC:\Windows\SysWOW64\bczmnikz\jylhtslx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c4fd17000293eb607581d749e88e41ac031464f9752e8bee38c5f09713ef14f.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2576
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
10.5MB
MD585fbf32de42f8b46a3819065c1cad162
SHA17b407d6226e52ed389dba20689af44c7a8711feb
SHA256d7baf16cad06dae0c96559598e02ddf7335b4b5ac664e2f1a270ac963a27596b
SHA51278364fcfc9e32db7f93416dc299d1a3a382cf856f89e99ca1e65706f84d1ac2954f0b271a6283d42d5ae868b4b3a4dece697f837ab3e88c71466f8260d59e75c