Analysis
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max time kernel
140s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
10-08-2024 23:08
Behavioral task
behavioral1
Sample
880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe
Resource
win7-20240729-en
General
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Target
880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe
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Size
2.5MB
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MD5
880b03ac5957cdf909b50a6516ff015b
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SHA1
58082d7d1601fd728c800c7ad075f27b71e1ec23
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SHA256
b535694854b8d5b129a358ea8a088c46c32b4922db7d4f1e7cb4af3d4259181c
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SHA512
604e2038c57eb3e3a172779b2d6dfc2114b038c4997938804dc8960c219e8171750b9e914625b075ab580bba9571179a3f4128b25772bc2f4e3c1f718f26d6fd
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SSDEEP
49152:4cPGd/uIKufYJr+VoLpmSJy0rTm9BPW+YTOdue1Wdv+r8YQ41X:4aGw+VoLpmSk0rslWhb46gQ+X
Malware Config
Extracted
darkcomet
Guest16
agmal.no-ip.org:1604
DC_MUTEX-UZET8XQ
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InstallPath
MSDCSC\msdcsc.exe
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gencode
QgvjjfxfTCCb
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
crss
Signatures
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine 880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe -
Processes:
resource yara_rule behavioral1/memory/2268-0-0x0000000000400000-0x0000000000689000-memory.dmp themida behavioral1/memory/2268-3-0x0000000000400000-0x0000000000689000-memory.dmp themida -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exepid process 2268 880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2876 2268 WerFault.exe 880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exepid process 2268 880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exedescription pid process target process PID 2268 wrote to memory of 2876 2268 880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe WerFault.exe PID 2268 wrote to memory of 2876 2268 880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe WerFault.exe PID 2268 wrote to memory of 2876 2268 880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe WerFault.exe PID 2268 wrote to memory of 2876 2268 880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe"1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 3842⤵
- Program crash
PID:2876