Analysis
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max time kernel
125s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-09-2024 15:22
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe
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Size
4.7MB
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MD5
163197198eea18070d76eb4a5d06494b
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SHA1
35013ade04cd4bb3d1cfc5419a9e81d0580665e7
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SHA256
a61c854176f852e2391ce87ff9e3d61a9fdf8e5400397d3131fb27d750e61e5d
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SHA512
ab52c4645b7cd41ae14548c53d9f1fa3e623b4a20b8c33ed0cf3a93d3b3e5be1146d5f1a4ae2d3f28a5f99d8afa508104cc11dd45952f901154d29673dc3be19
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SSDEEP
98304:wTv98udn7jVemDxOQ+5tusqzoKB6HFiPlKQK4oOXJVW:wxT7jVnxO5ssq6Md+uJo
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x00080000000235ec-3.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/0x00080000000235ec-3.dat acprotect -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe -
Loads dropped DLL 4 IoCs
pid Process 1492 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe 1624 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe 1600 WerFault.exe 804 WerFault.exe -
resource yara_rule behavioral2/files/0x00080000000235ec-3.dat upx behavioral2/memory/1492-6-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1624-12-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1624-42-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1492-40-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1492-50-0x0000000010000000-0x0000000010030000-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: 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 804 1624 WerFault.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe -
Modifies registry class 10 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F404ECE4-0F0D-51C0-E1A8-25212FD86B6E}\InprocServer32\RuntimeVersion = "v2.0.50727" 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F404ECE4-0F0D-51C0-E1A8-25212FD86B6E}\InprocServer32\ThreadingModel = "Both" 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F404ECE4-0F0D-51C0-E1A8-25212FD86B6E}\Implemented Categories 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F404ECE4-0F0D-51C0-E1A8-25212FD86B6E}\Implemented Categories\{62C8FE65-4EBB-45E7-B440-6E39B2CDBF29} 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F404ECE4-0F0D-51C0-E1A8-25212FD86B6E}\InprocServer32 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F404ECE4-0F0D-51C0-E1A8-25212FD86B6E}\InprocServer32\Assembly = "Microsoft.Vsa.Vb.CodeDOMProcessor, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F404ECE4-0F0D-51C0-E1A8-25212FD86B6E} 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F404ECE4-0F0D-51C0-E1A8-25212FD86B6E}\ = "Microsoft.Vsa.Vb.CodeDOM.Location" 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F404ECE4-0F0D-51C0-E1A8-25212FD86B6E}\InprocServer32\ = "C:\\Windows\\SysWOW64\\MSCorEE.dll" 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F404ECE4-0F0D-51C0-E1A8-25212FD86B6E}\InprocServer32\Class = "Microsoft.Vsa.Vb.CodeDOM.Location" 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1492 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe 1492 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1492 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Token: SeDebugPrivilege 1624 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Token: 33 1624 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Token: SeIncBasePriorityPrivilege 1624 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Token: 33 1624 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe Token: SeIncBasePriorityPrivilege 1624 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1492 wrote to memory of 1624 1492 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe 89 PID 1492 wrote to memory of 1624 1492 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe 89 PID 1492 wrote to memory of 1624 1492 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe 89 PID 1492 wrote to memory of 1624 1492 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe 89 PID 1492 wrote to memory of 1624 1492 2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Users\Admin\AppData\Local\Temp\2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-16_163197198eea18070d76eb4a5d06494b_floxif_magniber.exe"2⤵
- Checks BIOS information in registry
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1624 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 10963⤵
- Loads dropped DLL
- Program crash
PID:804
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4132,i,13995403245988825027,7033610968827661507,262144 --variations-seed-version --mojo-platform-channel-handle=4256 /prefetch:81⤵PID:1512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1624 -ip 16241⤵
- Loads dropped DLL
PID:1600
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab