Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
15-08-2024 17:25
Static task
static1
Behavioral task
behavioral1
Sample
2d7bb43807d1d6c6d92fef62762a1070N.dll
Resource
win7-20240708-en
General
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Target
2d7bb43807d1d6c6d92fef62762a1070N.dll
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Size
955KB
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MD5
2d7bb43807d1d6c6d92fef62762a1070
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SHA1
05984409b36fe97343aeb8d7f728edd4ca90b8d4
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SHA256
c9587995f4b069f1efc68801c1c2bf1dfa0a7845604baa62b5b60cf011652d9b
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SHA512
ef6e3424cd4e8b5ebc9a6f0f721f50423c2f03afe8e2dc7068250431f84a4293cab45aa567ca93ffd73c2ceac8c3c9b276f17cfdfa92b3bcb09fa2e78fe57f60
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SSDEEP
24576:wr37G4Tr6/L4rCvwHIo2WEyMz7yYK6ZSmd9saBpAnVFpMrEH7S:wy0rCvPxzvbsIUFG
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x000a00000001225e-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000a00000001225e-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2648 rundll32.exe -
resource yara_rule behavioral1/files/0x000a00000001225e-1.dat upx behavioral1/memory/2648-3-0x0000000000130000-0x0000000000160000-memory.dmp upx behavioral1/memory/2648-7-0x0000000000130000-0x0000000000160000-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 -
Program crash 1 IoCs
pid pid_target Process procid_target 1568 2648 WerFault.exe 30 -
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 2648 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1908 wrote to memory of 2648 1908 rundll32.exe 30 PID 1908 wrote to memory of 2648 1908 rundll32.exe 30 PID 1908 wrote to memory of 2648 1908 rundll32.exe 30 PID 1908 wrote to memory of 2648 1908 rundll32.exe 30 PID 1908 wrote to memory of 2648 1908 rundll32.exe 30 PID 1908 wrote to memory of 2648 1908 rundll32.exe 30 PID 1908 wrote to memory of 2648 1908 rundll32.exe 30 PID 2648 wrote to memory of 1568 2648 rundll32.exe 31 PID 2648 wrote to memory of 1568 2648 rundll32.exe 31 PID 2648 wrote to memory of 1568 2648 rundll32.exe 31 PID 2648 wrote to memory of 1568 2648 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2d7bb43807d1d6c6d92fef62762a1070N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2d7bb43807d1d6c6d92fef62762a1070N.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 2803⤵
- Program crash
PID:1568
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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