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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/01/2025, 12:47
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe
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Size
558KB
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MD5
218f9ec64968e5b8b316abe6287c4887
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SHA1
a35cca916f795183c43b7cc472dbb51d7fd41b84
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SHA256
b3c7cb9e4244af48b38034b3ad4cf96dcc61f1433e7708f4011e549ea425d96e
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SHA512
005c40a60b4802e041ac9431ef15758eb88d01a5e1d91c9d0cdc1c4f156a51692385b230a54612706846f6d337fd78520ad5da18a3e8fe9098f9c5fdcf53c501
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SSDEEP
12288:bcgL1j74QBb1pA0BH7whmh9roBX7SX//1ZGdXddP7SRP:Nx9BvA0BHroBX7SX//1ZGuR
Malware Config
Extracted
xtremerat
shootersiker.no-ip.org
Signatures
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Detect XtremeRAT payload 5 IoCs
resource yara_rule behavioral2/memory/396-9-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/396-10-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/396-11-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1788-15-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1788-16-0x0000000010000000-0x000000001004A000-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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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4648 set thread context of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 -
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 2456 1788 WerFault.exe 83 2780 1788 WerFault.exe 83 -
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 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\oa1283903547g.skn JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\oa1283903547g.skn\ = c171acd613096e249b2c66fe725244aa JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 4648 wrote to memory of 396 4648 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 82 PID 396 wrote to memory of 1788 396 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 83 PID 396 wrote to memory of 1788 396 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 83 PID 396 wrote to memory of 1788 396 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 83 PID 396 wrote to memory of 1788 396 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 83 PID 396 wrote to memory of 2892 396 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 84 PID 396 wrote to memory of 2892 396 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 84 PID 396 wrote to memory of 2892 396 JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe"1⤵
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- System Location Discovery: System Language Discovery
PID:1788 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 4804⤵
- Program crash
PID:2456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 4884⤵
- Program crash
PID:2780
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"3⤵PID:2892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1788 -ip 17881⤵PID:632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1788 -ip 17881⤵PID:1628