Analysis
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max time kernel
95s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-09-2024 19:42
Behavioral task
behavioral1
Sample
Trojan.Win32.Floxif.dll
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Trojan.Win32.Floxif.dll
Resource
win10v2004-20240802-en
General
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Target
Trojan.Win32.Floxif.dll
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Size
76KB
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MD5
87e6b8c516f1f516cf3a10d27af7ed90
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SHA1
333f62c424043cd463f6e844525ed98920db7813
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SHA256
0f2d24b678380d91e3a7e16a4e62324783ee11628a1464f269a3931c5428acb9
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SHA512
0c681a5c2ee775677323dd8d5d808eaeda9c3eee9efb9036566dfbc1e65d8ec320051a4c4021f4d2d96b996b73a594ddbc3138131e8c2a7829b28ae0a78adffa
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZzcAKXKoc:c8y93KQjy7G55riF1cMo03lcA
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 behavioral2/memory/3912-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3912-1-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2348 3912 WerFault.exe 82 -
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 3912 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 624 wrote to memory of 3912 624 rundll32.exe 82 PID 624 wrote to memory of 3912 624 rundll32.exe 82 PID 624 wrote to memory of 3912 624 rundll32.exe 82
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:624 -
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
PID:3912 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 7123⤵
- Program crash
PID:2348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3912 -ip 39121⤵PID:4636