Analysis
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max time kernel
96s -
max time network
97s -
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 17:55
Behavioral task
behavioral1
Sample
Trojan.Win32.Floxif.dll
Resource
win7-20240704-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
d9fd66951c13cd41779d28df033fb0c0
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SHA1
5265128819fc1f60abc208f61fe1a65e00d23c49
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SHA256
139bd8c75237394cdacd1f68040940a58503c28f43d44862575c9e3e06232f00
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SHA512
83dd664d08e2592a1d2d156f676034a04b8fba18aebb3fd70bf1614d5d1ab4cf076985e275853a8741f76b8e32fd52b5a8bff7cdb81999ec581e822e29506cd1
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZFWW5sOjIk:c8y93KQjy7G55riF1cMo03fWW5sOjIk
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/2044-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2044-2-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1352 2044 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 2044 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4740 wrote to memory of 2044 4740 rundll32.exe 82 PID 4740 wrote to memory of 2044 4740 rundll32.exe 82 PID 4740 wrote to memory of 2044 4740 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:4740 -
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:2044 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 6963⤵
- Program crash
PID:1352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2044 -ip 20441⤵PID:3784