Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-01-2025 20:02
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe
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Size
14.5MB
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MD5
67f1dd72e4ab8cd18349384a17dc0d90
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SHA1
d5e214f0fb5474a7dd085e6af38ae50f08bbd954
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SHA256
034c3cec7c957bc0389b3c8626da669cfa25635957f6acf9cb1c3eec2cfe8643
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SHA512
2c1066b4e29e49d1010c2e58750aca502926552d43ec32bb9b838af62f88b29205d16b8f4d3f9521c88f2c65c00afa512fab8f99a5206c042cdb8b2f87dc048c
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SSDEEP
196608:/tPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP3:/
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 1820 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\uyriyblt\ImagePath = "C:\\Windows\\SysWOW64\\uyriyblt\\psltrtbl.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe -
Deletes itself 1 IoCs
pid Process 112 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 616 psltrtbl.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 616 set thread context of 112 616 psltrtbl.exe 101 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2060 sc.exe 4492 sc.exe 3936 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 -
Program crash 2 IoCs
pid pid_target Process procid_target 4892 2284 WerFault.exe 82 2608 616 WerFault.exe 94 -
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 sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language psltrtbl.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2284 wrote to memory of 3616 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 83 PID 2284 wrote to memory of 3616 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 83 PID 2284 wrote to memory of 3616 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 83 PID 2284 wrote to memory of 4748 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 85 PID 2284 wrote to memory of 4748 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 85 PID 2284 wrote to memory of 4748 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 85 PID 2284 wrote to memory of 4492 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 87 PID 2284 wrote to memory of 4492 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 87 PID 2284 wrote to memory of 4492 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 87 PID 2284 wrote to memory of 3936 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 90 PID 2284 wrote to memory of 3936 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 90 PID 2284 wrote to memory of 3936 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 90 PID 2284 wrote to memory of 2060 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 92 PID 2284 wrote to memory of 2060 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 92 PID 2284 wrote to memory of 2060 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 92 PID 2284 wrote to memory of 1820 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 95 PID 2284 wrote to memory of 1820 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 95 PID 2284 wrote to memory of 1820 2284 JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe 95 PID 616 wrote to memory of 112 616 psltrtbl.exe 101 PID 616 wrote to memory of 112 616 psltrtbl.exe 101 PID 616 wrote to memory of 112 616 psltrtbl.exe 101 PID 616 wrote to memory of 112 616 psltrtbl.exe 101 PID 616 wrote to memory of 112 616 psltrtbl.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uyriyblt\2⤵
- System Location Discovery: System Language Discovery
PID:3616
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\psltrtbl.exe" C:\Windows\SysWOW64\uyriyblt\2⤵
- System Location Discovery: System Language Discovery
PID:4748
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create uyriyblt binPath= "C:\Windows\SysWOW64\uyriyblt\psltrtbl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4492
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description uyriyblt "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3936
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start uyriyblt2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2060
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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:1820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 5962⤵
- Program crash
PID:4892
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C:\Windows\SysWOW64\uyriyblt\psltrtbl.exeC:\Windows\SysWOW64\uyriyblt\psltrtbl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67f1dd72e4ab8cd18349384a17dc0d90.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:616 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 616 -s 5162⤵
- Program crash
PID:2608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2284 -ip 22841⤵PID:2792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 616 -ip 6161⤵PID:3604
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
14.3MB
MD528a1547b646eef6b5adda50cca504878
SHA1c8f2d0299f4f88f2ed5c4e90ca0341704b246a08
SHA2568ad67c5ab9eaee3bf7b40f3d1801978f515196225526819225b571fdb440392e
SHA51271934c42a02c1fb3335d2194a7c80f4139adc786f71e0dabb0dfcf765e836618455ab43c251f71be7b8f9008bb7f87ff6b5afaaec59553722811c70af03acc1f