Analysis
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max time kernel
146s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-12-2024 17:20
Behavioral task
behavioral1
Sample
c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe
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Size
45KB
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MD5
c8b199a06be1c87cff83ccc1c316431a
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SHA1
fb719288cbeaa144d5026fcfca4cfc1e0bb3a338
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SHA256
238735f88d2598db00d2fa784866b040554759c5edc221784b0e46d3718f430c
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SHA512
74d0b4ba78079990c6997badd3e90ec4f1107540303a12398987d6bb186a0d982db39408a8a19488c93da310565a63fccbc3954851ee2001bf5ceeed64447233
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SSDEEP
768:9BL+tjFY90iY6W1jAzDzKgEFQXaklMIAnH8hwfOgw08pzo5J:jSRh31j4PEFQXak+H84bso5J
Malware Config
Extracted
xtremerat
namehost.dyndns.org
Signatures
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Detect XtremeRAT payload 3 IoCs
resource yara_rule behavioral1/memory/2220-8-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/1144-9-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2220-11-0x0000000000C80000-0x0000000000C93000-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 2 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} c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\wbem\\xml.exe restart" c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\wbem\\xml.exe" c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe" c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\wbem\xml.exe c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe File created C:\Windows\SysWOW64\wbem\xml.exe c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\wbem\ c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.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 2 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 c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2220 svchost.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1144 wrote to memory of 2220 1144 c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe 30 PID 1144 wrote to memory of 2220 1144 c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe 30 PID 1144 wrote to memory of 2220 1144 c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe 30 PID 1144 wrote to memory of 2220 1144 c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe 30 PID 1144 wrote to memory of 2220 1144 c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c8b199a06be1c87cff83ccc1c316431a_JaffaCakes118.exe"1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2220
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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
1