floxif | 012379a929a000ab7cba0d271ad5285efd1d260b8ec0dafbb8676174409412a8

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 00:41

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General

Target

012379a929a000ab7cba0d271ad5285efd1d260b8ec0dafbb8676174409412a8N.dll
Size

7.2MB
MD5

0f1b6b6b1c5ea052c93547a5418124e0
SHA1

936d489e59e506f58d619013c7ef5e38179d7009
SHA256

012379a929a000ab7cba0d271ad5285efd1d260b8ec0dafbb8676174409412a8
SHA512

44796fb373973bc62b4ac880cec146e015a9720fbf24099f555ca64772a03f100ca39e0bee4bda06911d0531074c57ca78a888a562920df4c2b3590a79d3cc0c
SSDEEP

98304:ai4QCiXGmfQHZM+npjojQzBWtpmZbLkiPUc0F7IZSr1da7b+sJ3+PJfKV:mQbdAZnnpjYcBa0McFOfa7b+M3qJf2

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

Floxif family
floxif
Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral2/files/0x000d000000023b80-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000d000000023b80-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3080	regsvr32.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000d000000023b80-1.dat	upx
behavioral2/memory/3080-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3080-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	regsvr32.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-AF44-4604-8BD9-FAC9722A4C93}\ = "ISuiteControlsGlobalSettings"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-589B-49D9-908F-E40E135F82C0}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-08CC-4B3D-82EA-3B7BE0CF1117}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-2797-45D9-B88D-A14E501CDB71}\ = "_DSliderEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-63FA-4657-95D5-F8C2B25BBD4B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-1697-4D67-B61A-0C23E6F8A0EE}\ = "ITagCloudsStyles"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-F943-48EE-AE76-B8A124D9B701}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-4B44-4BEE-A7A8-8F5954390D95}\ = "_DListBoxEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-E965-4094-97F3-90B0E2A3D2CF}\ = "ListViewSubItem"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-9842-4F93-AC54-693B54AE668E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.Slider.19.3.0\ = "Xtreme Slider Control"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-6549-4F7F-BF37-CCE38B157FFB}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-F036-40C6-8589-63F3E8E8880B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-BCC5-4968-831B-8107FB93DAF8}\TypeLib\Version = "13.3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-5C4B-40AD-916B-5F7D03A172FC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-D91C-4911-ADA7-3A1EB6EB003B}\TypeLib\ = "{A8E5842E-102B-4289-9D57-3B3F5B5E15D3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-6A65-432B-83B0-17D03E48AFEF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-AE6D-46A8-BC77-CEE7D5CE9ED7}\TypeLib\Version = "13.3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-FC32-47BE-AC0C-B5F7E9D9FFCF}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-EF36-4585-941C-9FCC90A153B1}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-FEED-472A-85C9-A3675C34DC95}\TypeLib\Version = "13.3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-FEED-472A-85C9-A3675C34DC95}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-53A3-4B3E-BFF4-44DFFBA03997}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-F3BE-4610-92E7-E7BF40156859}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.MonthCalendar.19.3.0\ = "Xtreme MonthCalendar Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-20FB-4390-8152-48E50DD2E00D}\TypeLib\Version = "13.3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-7F70-434B-9679-BEAB0B8EC24A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-F3BE-4610-92E7-E7BF40156859}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-AB5E-4C8E-97A7-E02F99ACDA71}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-26A3-4D06-98B0-43E652E8511B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-3417-4473-8683-60262B0C8485}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\012379a929a000ab7cba0d271ad5285efd1d260b8ec0dafbb8676174409412a8N.dll, 11"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-2A14-45F4-920A-C02C893A4C1C}\ = "Xtreme TaskbarManager Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-2981-4FB2-A62C-AC1422205590}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-D91C-4911-ADA7-3A1EB6EB003B}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-31B8-4F06-99A6-17A150A6FBE2}\TypeLib\Version = "13.3"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-B654-4763-A103-A3830E7E3B2D}\ = "_DFlatEditEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-73D8-4ADF-8EFA-CB2757CA1C22}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-077E-414F-BDB7-C07CC582AAA4}\TypeLib\Version = "13.3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-AF44-4604-8BD9-FAC9722A4C93}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-2FB1-4365-BD0C-AEC78898E607}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-CFE9-4705-8260-22CAD3AA4554}\MiscStatus\1\ = "131473"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-9BF8-4337-959A-4629C9286C7A}\TypeLib\Version = "13.3"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-034B-4EFA-A7D8-94E409B7F8F1}\TypeLib\ = "{A8E5842E-102B-4289-9D57-3B3F5B5E15D3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-1281-4828-BAE0-5E5D625A5D60}\TypeLib\Version = "13.3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-0499-429C-8FAF-12AC08E801BE}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-3417-4473-8683-60262B0C8485}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.ColorPicker.19.3.0\CLSID\ = "{C0DE1930-000D-4CB4-A924-D00A640A917D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-08CC-4B3D-82EA-3B7BE0CF1117}\ = "_DCheckBoxEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-B593-483B-9C46-50DBD9FE3B8D}\TypeLib\Version = "13.3"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-589B-49D9-908F-E40E135F82C0}\Control\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.GroupBox.19.3.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-8AA3-49E1-875E-582467D570BE}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-B654-4763-A103-A3830E7E3B2D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-4B48-4867-A5CB-966532041492}\TypeLib\ = "{A8E5842E-102B-4289-9D57-3B3F5B5E15D3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-451B-4D9D-83E0-CDD3B589178D}\TypeLib\ = "{A8E5842E-102B-4289-9D57-3B3F5B5E15D3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C0DE1930-248E-4DC2-9709-859ABE42389E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-D0DC-4E43-8B92-55946D1A8DFE}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-CD87-48F0-AD57-63682A2F3FCC}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0DE1930-E671-4AE7-9D30-7FCC691B24FC}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-C16F-427D-91D1-D90B7E3A341E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-B8DD-4D4F-85D6-A7C155829B18}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.ListBox.19.3.0\ = "Xtreme ListBox Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-85F1-47D9-A237-01BE9203BB36}\TypeLib\ = "{A8E5842E-102B-4289-9D57-3B3F5B5E15D3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C0DE1930-0499-429C-8FAF-12AC08E801BE}\TypeLib	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3080	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 3080	3904	regsvr32.exe	83
PID 3904 wrote to memory of 3080	3904	regsvr32.exe	83
PID 3904 wrote to memory of 3080	3904	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\012379a929a000ab7cba0d271ad5285efd1d260b8ec0dafbb8676174409412a8N.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\012379a929a000ab7cba0d271ad5285efd1d260b8ec0dafbb8676174409412a8N.dll
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:3080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/3080-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3080-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download