Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
12-07-2024 09:00
Behavioral task
behavioral1
Sample
3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe
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Size
99KB
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MD5
3cbcf0bd6e2a578efa94fa2c13725229
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SHA1
cd3b8ba3ad62d70716077b53112b60ce8c46db0f
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SHA256
a6d00d859928739fd6d476c1ba753d14d86ebc19a357292ea0b2fbe972f94c2b
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SHA512
9bcffbd762be422f64cf384220cfff1609dad778ac67d6756ee45ec420989bdf3b636576dc3a6eb41f5965ab02035263b3cec0a53ed478a254e366b7abaee7a9
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SSDEEP
1536:Jsq+QV4rObAdXWpf/y+7ozNwiA9Nb7hH6vz1sw9Nb7hH6vz1sDtoF:I44rj/WodAfh6Zswfh6ZsDtoF
Malware Config
Extracted
xtremerat
microsofta.no-ip.org
Signatures
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Detect XtremeRAT payload 7 IoCs
Processes:
resource yara_rule behavioral2/memory/3892-0-0x0000000010000000-0x0000000010052000-memory.dmp family_xtremerat behavioral2/memory/4284-1-0x0000000010000000-0x0000000010052000-memory.dmp family_xtremerat behavioral2/memory/4664-2-0x0000000010000000-0x0000000010052000-memory.dmp family_xtremerat behavioral2/memory/4284-5-0x0000000010000000-0x0000000010052000-memory.dmp family_xtremerat behavioral2/memory/4284-6-0x0000000010000000-0x0000000010052000-memory.dmp family_xtremerat behavioral2/memory/3892-8-0x0000000010000000-0x0000000010052000-memory.dmp family_xtremerat behavioral2/memory/4284-9-0x0000000010000000-0x0000000010052000-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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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.
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{U70816AF-W2S2-2834-2C24-DDY4BGPB1Q3W} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{U70816AF-W2S2-2834-2C24-DDY4BGPB1Q3W}\StubPath = "C:\\Windows\\system32\\system32\\svchost.exe restart" svchost.exe -
Adds Run key to start application 2 TTPs 3 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Messenger = "C:\\Windows\\system32\\system32\\svchost.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msnmsgr = "C:\\Windows\\system32\\system32\\svchost.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Messenger = "C:\\Windows\\system32\\system32\\svchost.exe" svchost.exe -
Drops file in System32 directory 3 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\SysWOW64\system32\svchost.exe svchost.exe File opened for modification C:\Windows\SysWOW64\system32\ svchost.exe File opened for modification C:\Windows\SysWOW64\system32\svchost.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 4 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 2384 3892 WerFault.exe svchost.exe 1480 4284 WerFault.exe svchost.exe 456 3892 WerFault.exe svchost.exe 4800 4284 WerFault.exe svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
svchost.exepid process 4284 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exedescription pid process target process PID 4664 wrote to memory of 3892 4664 3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe svchost.exe PID 4664 wrote to memory of 3892 4664 3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe svchost.exe PID 4664 wrote to memory of 3892 4664 3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe svchost.exe PID 4664 wrote to memory of 3892 4664 3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe svchost.exe PID 4664 wrote to memory of 4284 4664 3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe svchost.exe PID 4664 wrote to memory of 4284 4664 3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe svchost.exe PID 4664 wrote to memory of 4284 4664 3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe svchost.exe PID 4664 wrote to memory of 4284 4664 3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵PID:3892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 4803⤵
- Program crash
PID:2384 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 4883⤵
- Program crash
PID:456 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:4284 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 9803⤵
- Program crash
PID:1480 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 9883⤵
- Program crash
PID:4800
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3892 -ip 38921⤵PID:2088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4284 -ip 42841⤵PID:2468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3892 -ip 38921⤵PID:5068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4284 -ip 42841⤵PID:4852