Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
02-02-2025 13:42
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe
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Size
180KB
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MD5
7d647e36362b646d5c64e233763472ec
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SHA1
59b6ef9d613d05165c78ccc92b7ea5b1a5736326
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SHA256
00a32d7711e2ab033ef0ce78f07546d03ed2617fa7d351fc1feb3588ad67d53f
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SHA512
de4686bcec2b8468c9317a7daa7c9cc822f938160daf016d5cf9e42cf8e273371c999bf1f65923015865057d73a8f10ac70022f6672086bd2d666059e7f5ea7e
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SSDEEP
3072:gdew+yMRNdew+yMRdZ/9EWr+hSDtsvxz8WAay2u4KXqfT:rsFKthSDtexz8WAay2Eq
Malware Config
Signatures
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Detect XtremeRAT payload 7 IoCs
resource yara_rule behavioral2/memory/4632-30-0x0000000000C80000-0x0000000000C95000-memory.dmp family_xtremerat behavioral2/memory/1392-31-0x0000000000C80000-0x0000000000C95000-memory.dmp family_xtremerat behavioral2/memory/4648-33-0x0000000000C80000-0x0000000000C95000-memory.dmp family_xtremerat behavioral2/memory/812-34-0x0000000000C80000-0x0000000000C95000-memory.dmp family_xtremerat behavioral2/memory/4768-38-0x0000000000C80000-0x0000000000C95000-memory.dmp family_xtremerat behavioral2/memory/3824-39-0x0000000000C80000-0x0000000000C95000-memory.dmp family_xtremerat behavioral2/memory/4648-41-0x0000000000C80000-0x0000000000C95000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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Xtremerat family
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} server2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\winupd.exe restart" server2.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\winupd.exe restart" server.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\winupd.exe" svchost.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\winupd.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-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe -
Executes dropped EXE 2 IoCs
pid Process 4768 server.exe 3824 server2.exe -
Adds Run key to start application 2 TTPs 8 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\winupd.exe" server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\winupd.exe" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\winupd.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\winupd.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\winupd.exe" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\winupd.exe" server2.exe Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\winupd.exe" server2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\winupd.exe" server.exe -
resource yara_rule behavioral2/files/0x000a000000023c35-7.dat upx behavioral2/memory/4768-16-0x0000000000C80000-0x0000000000C95000-memory.dmp upx behavioral2/memory/4632-30-0x0000000000C80000-0x0000000000C95000-memory.dmp upx behavioral2/memory/1392-31-0x0000000000C80000-0x0000000000C95000-memory.dmp upx behavioral2/memory/4648-33-0x0000000000C80000-0x0000000000C95000-memory.dmp upx behavioral2/memory/812-34-0x0000000000C80000-0x0000000000C95000-memory.dmp upx behavioral2/memory/4768-38-0x0000000000C80000-0x0000000000C95000-memory.dmp upx behavioral2/memory/3824-39-0x0000000000C80000-0x0000000000C95000-memory.dmp upx behavioral2/memory/4648-41-0x0000000000C80000-0x0000000000C95000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\InstallDir\winupd.exe server2.exe File created C:\Windows\InstallDir\winupd.exe server2.exe File opened for modification C:\Windows\InstallDir\winupd.exe server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4648 svchost.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 624 wrote to memory of 4768 624 JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe 86 PID 624 wrote to memory of 4768 624 JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe 86 PID 624 wrote to memory of 4768 624 JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe 86 PID 624 wrote to memory of 3824 624 JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe 87 PID 624 wrote to memory of 3824 624 JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe 87 PID 624 wrote to memory of 3824 624 JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe 87 PID 3824 wrote to memory of 1392 3824 server2.exe 88 PID 3824 wrote to memory of 1392 3824 server2.exe 88 PID 3824 wrote to memory of 1392 3824 server2.exe 88 PID 4768 wrote to memory of 4632 4768 server.exe 89 PID 4768 wrote to memory of 4632 4768 server.exe 89 PID 4768 wrote to memory of 4632 4768 server.exe 89 PID 4768 wrote to memory of 4632 4768 server.exe 89 PID 3824 wrote to memory of 1392 3824 server2.exe 88 PID 4768 wrote to memory of 812 4768 server.exe 90 PID 4768 wrote to memory of 812 4768 server.exe 90 PID 4768 wrote to memory of 812 4768 server.exe 90 PID 3824 wrote to memory of 4648 3824 server2.exe 91 PID 3824 wrote to memory of 4648 3824 server2.exe 91 PID 3824 wrote to memory of 4648 3824 server2.exe 91 PID 4768 wrote to memory of 3964 4768 server.exe 93 PID 4768 wrote to memory of 3964 4768 server.exe 93 PID 4768 wrote to memory of 3964 4768 server.exe 93 PID 3824 wrote to memory of 4060 3824 server2.exe 92 PID 3824 wrote to memory of 4060 3824 server2.exe 92 PID 3824 wrote to memory of 4060 3824 server2.exe 92 PID 3824 wrote to memory of 4648 3824 server2.exe 91 PID 4768 wrote to memory of 812 4768 server.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d647e36362b646d5c64e233763472ec.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:624 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4768 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:4632
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C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- System Location Discovery: System Language Discovery
PID:812
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C:\Windows\SysWOW64\explorer.exeexplorer.exe3⤵PID:3964
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C:\Users\Admin\AppData\Local\Temp\server2.exe"C:\Users\Admin\AppData\Local\Temp\server2.exe"2⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1392
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C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4648
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C:\Windows\SysWOW64\explorer.exeexplorer.exe3⤵PID:4060
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
19KB
MD51d1c725998efa82980c3e30879b1316a
SHA1fe3fb5c8af57495776a91de66652b0c343ac9648
SHA25675b0fbd4d6bc1f546dbf2a9be7d4652e0667594fac99bfd11ae9678d53f0d093
SHA512efb6a5718f0a75a5b10d7313021305c0af835640bd65ff8c7f581c7e1684175064a5818d45e9a921ed754af2f7d5b4dd99119a629bcd52235c2372309bd5f6a9
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Filesize
1KB
MD5f4617b4f3d7a5da6be7b49e0504ca941
SHA1a63a7e9a5a11b94698f77960b5a0d68c396fef17
SHA256d833458ab4e9c5b38ac0e43b14aa53b17634922d7a7aa84d57608c6d5233ff3d
SHA51229a2d9d17e4220b273217a5cbb9a6b99a9d848b2d305faa4146742dc70b4a441abe0ef340a73864359a6dcb5afb5a1bbd6013421208ad8ddcda48214335172bb