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Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/12/2024, 06:33
Static task
static1
Behavioral task
behavioral1
Sample
261ab21d24448a289b5ce13ed9e89facd67b069d4ccd4715f5f3933a11ae2c5b.dll
Resource
win7-20241023-en
General
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Target
261ab21d24448a289b5ce13ed9e89facd67b069d4ccd4715f5f3933a11ae2c5b.dll
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Size
2.7MB
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MD5
ff9b48aa765dd53fa805ab91836c8b20
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SHA1
71251c34487a4b687597751503dae82945e589d6
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SHA256
261ab21d24448a289b5ce13ed9e89facd67b069d4ccd4715f5f3933a11ae2c5b
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SHA512
800dfa27d5ab68cb07c8f20c6c803df220f80971365ed4d91bfd5dff7304e383841519ebe9f68689dc4b3b51190ccd508179a35c7a402e1efb228b8f05a75d81
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SSDEEP
49152:FMOYy4DN360WiMj7ivQDfl3qUbgeGIWlE1P9pqid4A9xhCK0QzaSxuYYsXfXWTHA:Foh07qE1P9pzv9xZ0Jlu
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x0009000000023c35-3.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0009000000023c35-3.dat acprotect -
Loads dropped DLL 2 IoCs
pid Process 2452 rundll32.exe 2452 rundll32.exe -
resource yara_rule behavioral2/memory/2452-7-0x0000000001110000-0x0000000001140000-memory.dmp upx behavioral2/memory/2452-6-0x0000000001110000-0x0000000001140000-memory.dmp upx behavioral2/files/0x0009000000023c35-3.dat upx behavioral2/memory/2452-12-0x0000000001110000-0x0000000001140000-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 4044 2452 WerFault.exe 84 -
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 2452 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3112 wrote to memory of 2452 3112 rundll32.exe 84 PID 3112 wrote to memory of 2452 3112 rundll32.exe 84 PID 3112 wrote to memory of 2452 3112 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\261ab21d24448a289b5ce13ed9e89facd67b069d4ccd4715f5f3933a11ae2c5b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3112 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\261ab21d24448a289b5ce13ed9e89facd67b069d4ccd4715f5f3933a11ae2c5b.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2452 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 7323⤵
- Program crash
PID:4044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 2452 -ip 24521⤵PID:4592
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab