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
07-12-2024 09:45
Static task
static1
Behavioral task
behavioral1
Sample
d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe
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Size
243KB
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MD5
d1cd48a7c5003ad9ff1e68abf3017daf
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SHA1
0d1d2552a590be57b047a90fa8a9eaa7b06023bc
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SHA256
be002eb43f0f92b945b58edea0413cc09a7e3f3fcaaae8040306f63381def05a
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SHA512
a22ec4e622cc826a6018f140402aae7fd05e19544d023458321189685d455f783889e5aaaff8fcbc329ab08eddd31874e4f5c453bba6758b5d8fb778d3a211f4
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SSDEEP
3072:XFd2Afoka0uMMGYmKlMCJ+UrxkCkK9a7+Z3wCYdj8vK1HDvhk1eSkDyfCnewUmGr:1jQwuYKs7M3jvEu1nkaCneT3NmEQ2
Malware Config
Extracted
xtremerat
umtakcicek.dyndns.org
ࠁ谀umtakcicek.dyndns.org
Signatures
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Detect XtremeRAT payload 9 IoCs
resource yara_rule behavioral2/memory/840-3-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/840-4-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/840-5-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/840-8-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/220-9-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/840-11-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/840-12-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/220-14-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/840-15-0x0000000010000000-0x000000001004A000-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\{R2WI1CKR-X553-362C-326D-0QL77F442L71} d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{R2WI1CKR-X553-362C-326D-0QL77F442L71}\StubPath = "C:\\Windows\\Windows Live Messenger\\msnmsgr.exe restart" d1cd48a7c5003ad9ff1e68abf3017daf_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\Windows Live Messenger = "C:\\Windows\\Windows Live Messenger\\msnmsgr.exe" d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Live Messenger = "C:\\Windows\\Windows Live Messenger\\msnmsgr.exe" d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 400 set thread context of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\Windows Live Messenger\msnmsgr.exe d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe File created C:\Windows\Windows Live Messenger\msnmsgr.exe d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 3404 220 WerFault.exe 84 1648 220 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 3 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 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 840 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 400 wrote to memory of 840 400 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 83 PID 840 wrote to memory of 220 840 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 84 PID 840 wrote to memory of 220 840 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 84 PID 840 wrote to memory of 220 840 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 84 PID 840 wrote to memory of 220 840 d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:400 -
C:\Users\Admin\AppData\Local\Temp\d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\d1cd48a7c5003ad9ff1e68abf3017daf_JaffaCakes118.exe2⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:840 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- System Location Discovery: System Language Discovery
PID:220 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 4884⤵
- Program crash
PID:3404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 4964⤵
- Program crash
PID:1648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 220 -ip 2201⤵PID:1420
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 220 -ip 2201⤵PID:1552
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