Analysis
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max time kernel
147s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-12-2024 05:26
Behavioral task
behavioral1
Sample
GF.dll
Resource
win11-20241007-en
windows11-21h2-x64
8 signatures
150 seconds
General
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Target
GF.dll
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Size
6.9MB
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MD5
c6e29164ff238c1f3a538722c7ab9871
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SHA1
8e3c981e9dcd9d71c2128811652b4a62acd2622b
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SHA256
4848cd7fd555e5551d94a1b8df19d19a9cf65727c0d8badbe2457516ee19ead7
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SHA512
f9e736d37d83ad38255e22ec282ca6d137471a640981f5bcd039d04ddd3151e4036920d3d182230d1f442f8410ebdc4dc8ef95f7264450a517c4fa9ad3308a31
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SSDEEP
196608:2r05756bdjFOVhF22yMRTvBmmzIzCMRo:2FdjUVhacB1sJRo
Malware Config
Signatures
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Blackmoon family
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Detect Blackmoon payload 2 IoCs
resource yara_rule behavioral1/memory/2880-3-0x0000000010000000-0x00000000106EB000-memory.dmp family_blackmoon behavioral1/memory/2880-5-0x0000000010000000-0x00000000106EB000-memory.dmp family_blackmoon -
Blocklisted process makes network request 3 IoCs
flow pid Process 2 2880 rundll32.exe 3 2880 rundll32.exe 4 2880 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2880 rundll32.exe 2880 rundll32.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2880 rundll32.exe 2880 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4248 wrote to memory of 2880 4248 rundll32.exe 77 PID 4248 wrote to memory of 2880 4248 rundll32.exe 77 PID 4248 wrote to memory of 2880 4248 rundll32.exe 77
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\GF.dll,#12⤵
- Blocklisted process makes network request
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2880
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