Analysis
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max time kernel
16s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-12-2024 21:52
Static task
static1
Behavioral task
behavioral1
Sample
129a5439a8a37101d3de848ac4427a727713c264394d52be802b5f71d2c39f6aN.dll
Resource
win7-20240903-en
General
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Target
129a5439a8a37101d3de848ac4427a727713c264394d52be802b5f71d2c39f6aN.dll
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Size
164KB
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MD5
521b0afc83d8a7166c7a1a47e2140f10
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SHA1
bee682ed1d4718dc0cc842764a6745d15ceb4c7c
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SHA256
129a5439a8a37101d3de848ac4427a727713c264394d52be802b5f71d2c39f6a
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SHA512
e9175933b1a2c32f2d0d32779d712edd2c1ff25caf09b28dbf9deda5cbc702de88126b728e19558d4dc4720e23ab984ce5d6403960e811f1313d4323e3b04a89
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SSDEEP
3072:y+WpBUPz+IWzfo7Q3w2lQBV+UdE+rECWp7hKA3u:sSzRap3+BV+UdvrEFp7hKAe
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x00080000000120ff-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x00080000000120ff-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2380 rundll32.exe -
resource yara_rule behavioral1/memory/2380-3-0x0000000000230000-0x0000000000260000-memory.dmp upx behavioral1/files/0x00080000000120ff-1.dat upx behavioral1/memory/2380-4-0x0000000000230000-0x0000000000260000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description 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.
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 2380 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2364 wrote to memory of 2380 2364 rundll32.exe 30 PID 2364 wrote to memory of 2380 2364 rundll32.exe 30 PID 2364 wrote to memory of 2380 2364 rundll32.exe 30 PID 2364 wrote to memory of 2380 2364 rundll32.exe 30 PID 2364 wrote to memory of 2380 2364 rundll32.exe 30 PID 2364 wrote to memory of 2380 2364 rundll32.exe 30 PID 2364 wrote to memory of 2380 2364 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\129a5439a8a37101d3de848ac4427a727713c264394d52be802b5f71d2c39f6aN.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\129a5439a8a37101d3de848ac4427a727713c264394d52be802b5f71d2c39f6aN.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2380
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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