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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
28/01/2025, 23:10
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe
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Size
108KB
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MD5
50423fd16d4e2c21d286c062164c27ab
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SHA1
a574914d4e8b304216ce09e13d75e8af51e3b476
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SHA256
3ec9b2e6eaa1dacbd0446096270912390e77fcdf9540961afec83c31e95e207e
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SHA512
de7bcbe31052f43757f66bb45c4d1bb5eb5853879b6161f64347dd15d483717c2af855462c3cf428459ddda6d6416e49b9f60e72c38934a8d2e442780ea8fe3b
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SSDEEP
1536:PnFnrx4TEk1btTmmfAa6R5NlT94rbK/n36ek2+K39:PnVUbtT9f76Flx4cn36bDK39
Malware Config
Extracted
xtremerat
securitywindows.3utilities.com
Signatures
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Detect XtremeRAT payload 4 IoCs
resource yara_rule behavioral2/memory/524-3-0x0000000010000000-0x000000001004B000-memory.dmp family_xtremerat behavioral2/memory/1792-5-0x0000000010000000-0x000000001004B000-memory.dmp family_xtremerat behavioral2/memory/524-6-0x0000000010000000-0x000000001004B000-memory.dmp family_xtremerat behavioral2/memory/1792-7-0x0000000010000000-0x000000001004B000-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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3148 set thread context of 524 3148 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 85 -
resource yara_rule behavioral2/memory/524-0-0x0000000010000000-0x000000001004B000-memory.dmp upx behavioral2/memory/524-2-0x0000000010000000-0x000000001004B000-memory.dmp upx behavioral2/memory/524-4-0x0000000010000000-0x000000001004B000-memory.dmp upx behavioral2/memory/524-3-0x0000000010000000-0x000000001004B000-memory.dmp upx behavioral2/memory/1792-5-0x0000000010000000-0x000000001004B000-memory.dmp upx behavioral2/memory/524-6-0x0000000010000000-0x000000001004B000-memory.dmp upx behavioral2/memory/1792-7-0x0000000010000000-0x000000001004B000-memory.dmp upx -
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 3508 1792 WerFault.exe 86 2652 1792 WerFault.exe 86 -
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_50423fd16d4e2c21d286c062164c27ab.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3148 wrote to memory of 524 3148 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 85 PID 3148 wrote to memory of 524 3148 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 85 PID 3148 wrote to memory of 524 3148 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 85 PID 3148 wrote to memory of 524 3148 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 85 PID 3148 wrote to memory of 524 3148 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 85 PID 3148 wrote to memory of 524 3148 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 85 PID 3148 wrote to memory of 524 3148 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 85 PID 3148 wrote to memory of 524 3148 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 85 PID 524 wrote to memory of 1792 524 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 86 PID 524 wrote to memory of 1792 524 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 86 PID 524 wrote to memory of 1792 524 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 86 PID 524 wrote to memory of 1792 524 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 86 PID 524 wrote to memory of 2072 524 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 87 PID 524 wrote to memory of 2072 524 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 87 PID 524 wrote to memory of 2072 524 JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3148 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50423fd16d4e2c21d286c062164c27ab.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:524 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- System Location Discovery: System Language Discovery
PID:1792 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 4804⤵
- Program crash
PID:3508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 5004⤵
- Program crash
PID:2652
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"3⤵PID:2072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1792 -ip 17921⤵PID:360
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1792 -ip 17921⤵PID:4332