Analysis
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max time kernel
146s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
07-01-2025 03:32
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe
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Size
13.0MB
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MD5
4b02b5efc37cca1c519ee86f00a210f7
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SHA1
c15d7ee674c4373e5e8c517e581e5102c6cd4416
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SHA256
ebe61355e05f3920d077495ca302afbabcbbad760c13f14d3b3d1e8c8dedfaae
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SHA512
a219b35b48bc6bf452471d2b265eb59ad6b40f79dd7a265be8c1c99ea145dcc108aff2ec4908e586acb00473ea113cc8ce001ae3beac5e3db015b9f214bf1daa
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SSDEEP
6144:fKP2GmiErAKEjgoUYRxiPnkIW2p6/hR6bPz/9hniF:OdEkf5UmiE2pagL9hi
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\ikwylpeb = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2780 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ikwylpeb\ImagePath = "C:\\Windows\\SysWOW64\\ikwylpeb\\krusttjx.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2736 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2504 krusttjx.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2504 set thread context of 2736 2504 krusttjx.exe 43 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2900 sc.exe 2404 sc.exe 2212 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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language krusttjx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2016 wrote to memory of 2000 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 30 PID 2016 wrote to memory of 2000 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 30 PID 2016 wrote to memory of 2000 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 30 PID 2016 wrote to memory of 2000 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 30 PID 2016 wrote to memory of 2428 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 32 PID 2016 wrote to memory of 2428 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 32 PID 2016 wrote to memory of 2428 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 32 PID 2016 wrote to memory of 2428 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 32 PID 2016 wrote to memory of 2212 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 34 PID 2016 wrote to memory of 2212 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 34 PID 2016 wrote to memory of 2212 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 34 PID 2016 wrote to memory of 2212 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 34 PID 2016 wrote to memory of 2900 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 36 PID 2016 wrote to memory of 2900 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 36 PID 2016 wrote to memory of 2900 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 36 PID 2016 wrote to memory of 2900 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 36 PID 2016 wrote to memory of 2404 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 38 PID 2016 wrote to memory of 2404 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 38 PID 2016 wrote to memory of 2404 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 38 PID 2016 wrote to memory of 2404 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 38 PID 2016 wrote to memory of 2780 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 41 PID 2016 wrote to memory of 2780 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 41 PID 2016 wrote to memory of 2780 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 41 PID 2016 wrote to memory of 2780 2016 JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe 41 PID 2504 wrote to memory of 2736 2504 krusttjx.exe 43 PID 2504 wrote to memory of 2736 2504 krusttjx.exe 43 PID 2504 wrote to memory of 2736 2504 krusttjx.exe 43 PID 2504 wrote to memory of 2736 2504 krusttjx.exe 43 PID 2504 wrote to memory of 2736 2504 krusttjx.exe 43 PID 2504 wrote to memory of 2736 2504 krusttjx.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ikwylpeb\2⤵
- System Location Discovery: System Language Discovery
PID:2000
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\krusttjx.exe" C:\Windows\SysWOW64\ikwylpeb\2⤵
- System Location Discovery: System Language Discovery
PID:2428
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ikwylpeb binPath= "C:\Windows\SysWOW64\ikwylpeb\krusttjx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2212
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ikwylpeb "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2900
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start ikwylpeb2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2404
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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:2780
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C:\Windows\SysWOW64\ikwylpeb\krusttjx.exeC:\Windows\SysWOW64\ikwylpeb\krusttjx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4b02b5efc37cca1c519ee86f00a210f7.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2736
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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
14.1MB
MD50ed0f4089f35d3ba7903b1cf5a092197
SHA1a07b8394dd9fac15f24cf4e43bdff5d3f85e99d2
SHA256e3ae1b66eb4912d52fea32b1fab8dba7b606c79e70a200bd0a2da4a59e1467de
SHA5121f7d9fd7c1667e93ca255d9f35a257d8a32948effbbfa931e0fd2d49d3e8c92b08ff6d1cd9027a2187e3450db5c48ed29d0abc3b6158b346d76f76f01c2c3723