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Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/09/2024, 23:45
Static task
static1
Behavioral task
behavioral1
Sample
48e40980c5b46894f2558b4c64a8ba10N.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
48e40980c5b46894f2558b4c64a8ba10N.dll
Resource
win10v2004-20240802-en
General
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Target
48e40980c5b46894f2558b4c64a8ba10N.dll
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Size
137KB
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MD5
48e40980c5b46894f2558b4c64a8ba10
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SHA1
a08f4a13f6f406694c59cf58928afdcf2b63bfb1
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SHA256
245ba0351080ccf876cbc8458ea9c656ba0ed0a7cfee34a1775df1d22f27a26b
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SHA512
198d6d01ac3977c00ad61ecbd366dc541bfbdaf9a693354b7e8d3e0612d8e9b4f7767f1c2ea3fc842aad7d632321c9a1faaa37aa9f49aafe230513d473e10132
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SSDEEP
3072:ER02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuo:h25GgFny61mraK
Malware Config
Signatures
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Boot or Logon Autostart Execution: Port Monitors 1 TTPs 2 IoCs
Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor rundll32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll" rundll32.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Spooler\ImagePath = "Spoolsv.exe" rundll32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\com\comb.dll rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\AppPatch\ComBack.Dll rundll32.exe File created C:\Windows\AppPatch\ComBack.Dll rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3924 3488 WerFault.exe 83 -
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 WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1408 wrote to memory of 3488 1408 rundll32.exe 83 PID 1408 wrote to memory of 3488 1408 rundll32.exe 83 PID 1408 wrote to memory of 3488 1408 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\48e40980c5b46894f2558b4c64a8ba10N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1408 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\48e40980c5b46894f2558b4c64a8ba10N.dll,#12⤵
- Boot or Logon Autostart Execution: Port Monitors
- Sets service image path in registry
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3488 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 6163⤵
- Program crash
PID:3924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3488 -ip 34881⤵PID:3680