Analysis
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max time kernel
140s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
28-10-2024 14:15
Static task
static1
Behavioral task
behavioral1
Sample
7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe
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Size
10.9MB
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MD5
7a024b0d37c1167f69a9c9766c9af3a9
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SHA1
7ddcff26d726b0cf3151704cf0f9e51158b93279
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SHA256
952e4b5bba456e1bb30334d28d421a937a18a5ae6926ee914172f89c65e24acb
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SHA512
236063040255aa606c77ae22a5a8b1a75b0953a09ade29096c76bb77cbe5b4fbee36e39fdd7ee9fca9bc71d965bbc2f6bff705aa4e3879c24bf04f7df0b6bfc8
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SSDEEP
98304:rYTPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPv:r
Malware Config
Extracted
tofsee
43.231.4.6
lazystax.ru
Signatures
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Tofsee family
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Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\cdobcjn = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2816 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\cdobcjn\ImagePath = "C:\\Windows\\SysWOW64\\cdobcjn\\etxbrevv.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 1648 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
etxbrevv.exepid process 2820 etxbrevv.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
etxbrevv.exedescription pid process target process PID 2820 set thread context of 1648 2820 etxbrevv.exe svchost.exe -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exepid process 2160 sc.exe 2848 sc.exe 3012 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.
Processes:
netsh.exedescription 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.
Processes:
svchost.exe7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.execmd.exesc.exenetsh.exeetxbrevv.execmd.exesc.exesc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language etxbrevv.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 -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exeetxbrevv.exedescription pid process target process PID 2744 wrote to memory of 2892 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe cmd.exe PID 2744 wrote to memory of 2892 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe cmd.exe PID 2744 wrote to memory of 2892 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe cmd.exe PID 2744 wrote to memory of 2892 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe cmd.exe PID 2744 wrote to memory of 2804 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe cmd.exe PID 2744 wrote to memory of 2804 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe cmd.exe PID 2744 wrote to memory of 2804 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe cmd.exe PID 2744 wrote to memory of 2804 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe cmd.exe PID 2744 wrote to memory of 2160 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 2160 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 2160 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 2160 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 2848 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 2848 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 2848 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 2848 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 3012 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 3012 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 3012 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 3012 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe sc.exe PID 2744 wrote to memory of 2816 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe netsh.exe PID 2744 wrote to memory of 2816 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe netsh.exe PID 2744 wrote to memory of 2816 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe netsh.exe PID 2744 wrote to memory of 2816 2744 7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe netsh.exe PID 2820 wrote to memory of 1648 2820 etxbrevv.exe svchost.exe PID 2820 wrote to memory of 1648 2820 etxbrevv.exe svchost.exe PID 2820 wrote to memory of 1648 2820 etxbrevv.exe svchost.exe PID 2820 wrote to memory of 1648 2820 etxbrevv.exe svchost.exe PID 2820 wrote to memory of 1648 2820 etxbrevv.exe svchost.exe PID 2820 wrote to memory of 1648 2820 etxbrevv.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cdobcjn\2⤵
- System Location Discovery: System Language Discovery
PID:2892
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\etxbrevv.exe" C:\Windows\SysWOW64\cdobcjn\2⤵
- System Location Discovery: System Language Discovery
PID:2804
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create cdobcjn binPath= "C:\Windows\SysWOW64\cdobcjn\etxbrevv.exe /d\"C:\Users\Admin\AppData\Local\Temp\7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2160
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description cdobcjn "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2848
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start cdobcjn2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3012
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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:2816
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C:\Windows\SysWOW64\cdobcjn\etxbrevv.exeC:\Windows\SysWOW64\cdobcjn\etxbrevv.exe /d"C:\Users\Admin\AppData\Local\Temp\7a024b0d37c1167f69a9c9766c9af3a9_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:1648
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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
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Downloads
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Filesize
10.5MB
MD5d6d1db29d6685c7254f3d24fcb5d918b
SHA13d0b536bbebf8b982570a7f020419b52eec8abc3
SHA2565c6262f8a6ce018b6eb32110edc0d2bdc96dfd2be9abbda9d03f10debd44d89c
SHA5126cf3fa8c045b1bf76b6a47f3901898c30390665e7e052d78bf3df4fb8477a1326bd10ba1578cf4d77a56284caf9d593b6bacb298a50c4cf822b5ca09e86e7cf2