Analysis
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max time kernel
90s -
max time network
92s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 07:10
Static task
static1
Behavioral task
behavioral1
Sample
4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe
Resource
win10v2004-20240802-en
General
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Target
4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe
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Size
1.9MB
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MD5
5d07671cdbb4ac7876c2060c8a9d3e50
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SHA1
e4e5d79a9eecb75f6eb81d9ee1624c51fe304f7c
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SHA256
4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78ef
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SHA512
89a55c3a359c4520298bfcaa57f05ff5ffc7535bb3ccc6fe503244e21744de425c120fc101639e96390a881f2d531139b35972f6d225ed22e0554e6be0cfff46
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SSDEEP
49152:T4ikr/jgjlzorBK/TLuOsQyPkdulQbKAgS/L/CLgHYoo:k3r/ql8g/TLuOsQuYu6bKs/Nw
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x00080000000234d5-1.dat floxif -
Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x00080000000234d5-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe -
resource yara_rule behavioral2/files/0x00080000000234d5-1.dat upx behavioral2/memory/4592-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4592-13-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\e: 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe File created \??\c:\program files\common files\system\symsrv.dll.000 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.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 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe 4592 4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe"C:\Users\Admin\AppData\Local\Temp\4d6efe6b8c3b67e6f7758a47f8157779a8b4bffc861ccfe2a54ef4074fad78efN.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
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