Analysis
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max time kernel
119s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-08-2024 19:04
Static task
static1
Behavioral task
behavioral1
Sample
23d9aadb8891226d9a64e4921ceb2250N.dll
Resource
win7-20240705-en
General
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Target
23d9aadb8891226d9a64e4921ceb2250N.dll
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Size
1.2MB
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MD5
23d9aadb8891226d9a64e4921ceb2250
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SHA1
9165a200d1ae9c62ed51e2cfe6e72a00d4ba1e8a
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SHA256
8a159de8fbe38ed86acbf467169f8550d1c0012008c0f13a926f7aaf66377cce
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SHA512
d0c6479459a0dc582a7deffbe390b38fca32020de08ed28f4333d12eed0b2f22916450c446e0432baa122f8593cfcefc46c64d253d1a1106d39f5e9195c88c36
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SSDEEP
24576:LF3HV0rHRLfmjHprvHfVg9IDT4Y1WYZVzezkj9Gd6CT1vDd6CT1v1+6H+60rEH78:LF3HV0rHRLfmjHprvHfVg9U4YgYZik0Y
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
Processes:
resource yara_rule behavioral2/files/0x00090000000233fb-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule behavioral2/files/0x00090000000233fb-1.dat acprotect -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid Process 4148 rundll32.exe -
Processes:
resource yara_rule behavioral2/files/0x00090000000233fb-1.dat upx behavioral2/memory/4148-2-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4148-8-0x0000000010000000-0x0000000010030000-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 AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid Process Token: SeDebugPrivilege 4148 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 1136 wrote to memory of 4148 1136 rundll32.exe 84 PID 1136 wrote to memory of 4148 1136 rundll32.exe 84 PID 1136 wrote to memory of 4148 1136 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\23d9aadb8891226d9a64e4921ceb2250N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\23d9aadb8891226d9a64e4921ceb2250N.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4148
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab