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Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2024, 18:21
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe
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Size
284KB
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MD5
980a1da409587438ce6ad9402f8ef025
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SHA1
dc49bfc6d436dbd0a21fe23ff95280811f273c59
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SHA256
876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662
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SHA512
66391d577a8ba158ffa528d220ea51b6aa626c1c0d9716f4cd90739e7ed960a85594d3cb1419e49224e3f60508cbe3ebe06486df160302b82e3e86526313af14
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SSDEEP
6144:UF0i1M8mVdb98uiaMBl1wRnhu8UJfPJZSGp:UF0i1MtVdb4a+wRn6fPJZNp
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Tofsee family
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Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3372 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ovmqvsvf\ImagePath = "C:\\Windows\\SysWOW64\\ovmqvsvf\\ipboxklf.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe -
Deletes itself 1 IoCs
pid Process 544 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2176 ipboxklf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2176 set thread context of 544 2176 ipboxklf.exe 98 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4612 sc.exe 3036 sc.exe 1616 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 value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 1060 3948 WerFault.exe 81 3600 2176 WerFault.exe 92 -
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 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.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 svchost.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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ipboxklf.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 3948 wrote to memory of 4976 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 82 PID 3948 wrote to memory of 4976 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 82 PID 3948 wrote to memory of 4976 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 82 PID 3948 wrote to memory of 3648 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 84 PID 3948 wrote to memory of 3648 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 84 PID 3948 wrote to memory of 3648 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 84 PID 3948 wrote to memory of 4612 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 86 PID 3948 wrote to memory of 4612 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 86 PID 3948 wrote to memory of 4612 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 86 PID 3948 wrote to memory of 3036 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 88 PID 3948 wrote to memory of 3036 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 88 PID 3948 wrote to memory of 3036 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 88 PID 3948 wrote to memory of 1616 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 90 PID 3948 wrote to memory of 1616 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 90 PID 3948 wrote to memory of 1616 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 90 PID 3948 wrote to memory of 3372 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 93 PID 3948 wrote to memory of 3372 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 93 PID 3948 wrote to memory of 3372 3948 JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe 93 PID 2176 wrote to memory of 544 2176 ipboxklf.exe 98 PID 2176 wrote to memory of 544 2176 ipboxklf.exe 98 PID 2176 wrote to memory of 544 2176 ipboxklf.exe 98 PID 2176 wrote to memory of 544 2176 ipboxklf.exe 98 PID 2176 wrote to memory of 544 2176 ipboxklf.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ovmqvsvf\2⤵
- System Location Discovery: System Language Discovery
PID:4976
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ipboxklf.exe" C:\Windows\SysWOW64\ovmqvsvf\2⤵
- System Location Discovery: System Language Discovery
PID:3648
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ovmqvsvf binPath= "C:\Windows\SysWOW64\ovmqvsvf\ipboxklf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4612
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ovmqvsvf "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3036
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start ovmqvsvf2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1616
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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:3372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 10282⤵
- Program crash
PID:1060
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C:\Windows\SysWOW64\ovmqvsvf\ipboxklf.exeC:\Windows\SysWOW64\ovmqvsvf\ipboxklf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_876c483b6fbc54f63b315535e70f50c2f5cd37ca2331847ba4a8bc7035435662.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 5162⤵
- Program crash
PID:3600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3948 -ip 39481⤵PID:2132
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2176 -ip 21761⤵PID:5052
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
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
10.7MB
MD597851e75409e05812e9b414e763a8170
SHA13b91ac43c18389513b8f97860a28bd8ed862ddca
SHA256c0458575c3667dfa29da41c3b3a2cb031152dcc6f7b294dc6292404a3e997c84
SHA5128f15cc8f1c9fc029859127ac88eb0256c9433fcc353e7e058f6f67ff8a6f74508d6143a238aad06dcf9e2b0f70452d6f8bd8e1c692a5344c8617aa27a7a9de7d