Analysis
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max time kernel
141s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
16-09-2024 08:36
Behavioral task
behavioral1
Sample
Trojan.Win32.Floxif.dll
Resource
win7-20240708-en
General
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Target
Trojan.Win32.Floxif.dll
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Size
76KB
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MD5
5b1da6edb6302bc17946d43ad1acfbb0
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SHA1
f061d19bcc0e7662727b3383876013bc5385b177
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SHA256
7dab21bec74793fb2e985aaa3e6347981b189a3cd3c68420c7c7f8c848c7dcd9
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SHA512
de9f4969915cb219c67700e7fd5324e10e270dc632ee71c0206def8a94afa8fc101b14f26f3dbd15b0cc1fc01c522985ffcd52651ed425a1f98470c6885626f1
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z/ONsb:c8y93KQjy7G55riF1cMo03dgi
Malware Config
Signatures
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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resource yara_rule behavioral1/memory/2896-1-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2896-2-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2736 2896 WerFault.exe 30 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2896 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2892 wrote to memory of 2896 2892 rundll32.exe 30 PID 2892 wrote to memory of 2896 2892 rundll32.exe 30 PID 2892 wrote to memory of 2896 2892 rundll32.exe 30 PID 2892 wrote to memory of 2896 2892 rundll32.exe 30 PID 2892 wrote to memory of 2896 2892 rundll32.exe 30 PID 2892 wrote to memory of 2896 2892 rundll32.exe 30 PID 2892 wrote to memory of 2896 2892 rundll32.exe 30 PID 2896 wrote to memory of 2736 2896 rundll32.exe 31 PID 2896 wrote to memory of 2736 2896 rundll32.exe 31 PID 2896 wrote to memory of 2736 2896 rundll32.exe 31 PID 2896 wrote to memory of 2736 2896 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Floxif.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Floxif.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 3323⤵
- Program crash
PID:2736
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