Analysis
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max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-09-2024 21:45
Static task
static1
Behavioral task
behavioral1
Sample
562597b775c99aaf02c9e8f5adfdcc62b2cb249b4fbb06e4e128a0bd5daa3899.dll
Resource
win7-20240903-en
General
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Target
562597b775c99aaf02c9e8f5adfdcc62b2cb249b4fbb06e4e128a0bd5daa3899.dll
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Size
1.0MB
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MD5
b91aabe150abd91e053c9596385f79ec
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SHA1
469c4b1e8e46942a92282d467988536e81147244
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SHA256
562597b775c99aaf02c9e8f5adfdcc62b2cb249b4fbb06e4e128a0bd5daa3899
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SHA512
8b3ac36dcaaef1143956b82a5a5f472cef0e42baa35a3be6895a47631fc5d1f74a1d6932716d0bfb200e96d1560d48cca6965041b4dd6e4e78d4bfc7644f4e8e
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SSDEEP
12288:Qmzy52sk14W7fnumkiipuuDx6h0QrH6sUgEN6GGvulmcLMkhMRGM4h/qofG:Vsk14W7dP7H6sxEMrYMRGJ/qofG
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll acprotect -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2156 rundll32.exe -
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll upx behavioral1/memory/2156-3-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral1/memory/2156-6-0x0000000010000000-0x0000000010033000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
Processes:
rundll32.exedescription ioc process File created C:\Program Files\Common Files\System\symsrv.dll 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.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 2688 wrote to memory of 2156 2688 rundll32.exe rundll32.exe PID 2688 wrote to memory of 2156 2688 rundll32.exe rundll32.exe PID 2688 wrote to memory of 2156 2688 rundll32.exe rundll32.exe PID 2688 wrote to memory of 2156 2688 rundll32.exe rundll32.exe PID 2688 wrote to memory of 2156 2688 rundll32.exe rundll32.exe PID 2688 wrote to memory of 2156 2688 rundll32.exe rundll32.exe PID 2688 wrote to memory of 2156 2688 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\562597b775c99aaf02c9e8f5adfdcc62b2cb249b4fbb06e4e128a0bd5daa3899.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\562597b775c99aaf02c9e8f5adfdcc62b2cb249b4fbb06e4e128a0bd5daa3899.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2156
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD54fcd7574537cebec8e75b4e646996643
SHA1efa59bb9050fb656b90d5d40c942fb2a304f2a8b
SHA2568ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d
SHA5127f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e