Overview
overview
7Static
static
3tbassass-v110901.exe
windows7-x64
7tbassass-v110901.exe
windows10-2004-x64
7$PLUGINSDI...RL.dll
windows7-x64
3$PLUGINSDI...RL.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
37z.dll
windows7-x64
17z.dll
windows10-2004-x64
37z.exe
windows7-x64
17z.exe
windows10-2004-x64
1GTA.exe
windows7-x64
7GTA.exe
windows10-2004-x64
7Resource/B...us.dll
windows7-x64
1Resource/B...us.dll
windows10-2004-x64
1Resource/B...s0.dll
windows7-x64
1Resource/B...s0.dll
windows10-2004-x64
1Resource/B...s0.dll
windows7-x64
1Resource/B...s0.dll
windows10-2004-x64
1Resource/Bins/G.dll
windows7-x64
1Resource/Bins/G.dll
windows10-2004-x64
1Resource/Bins/Gax.dll
windows7-x64
3Resource/Bins/Gax.dll
windows10-2004-x64
3Resource/B...PI.dll
windows7-x64
1Resource/B...PI.dll
windows10-2004-x64
1Resource/Bins/hyp.dll
windows7-x64
1Resource/Bins/hyp.dll
windows10-2004-x64
1Resource/Bins/xml.dll
windows7-x64
1Resource/Bins/xml.dll
windows10-2004-x64
1uninst.exe
windows7-x64
7uninst.exe
windows10-2004-x64
7新云软件.url
windows7-x64
1新云软件.url
windows10-2004-x64
1Analysis
-
max time kernel
136s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
12-07-2024 00:06
Static task
static1
Behavioral task
behavioral1
Sample
tbassass-v110901.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
tbassass-v110901.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/BrandingURL.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/BrandingURL.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral7
Sample
7z.dll
Resource
win7-20240705-en
Behavioral task
behavioral8
Sample
7z.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral9
Sample
7z.exe
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
7z.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral11
Sample
GTA.exe
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
GTA.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral13
Sample
Resource/Bins/AppPlus.dll
Resource
win7-20240705-en
Behavioral task
behavioral14
Sample
Resource/Bins/AppPlus.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral15
Sample
Resource/Bins/CommandBars0.dll
Resource
win7-20240708-en
Behavioral task
behavioral16
Sample
Resource/Bins/CommandBars0.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral17
Sample
Resource/Bins/Controls0.dll
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
Resource/Bins/Controls0.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral19
Sample
Resource/Bins/G.dll
Resource
win7-20240704-en
Behavioral task
behavioral20
Sample
Resource/Bins/G.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral21
Sample
Resource/Bins/Gax.dll
Resource
win7-20240704-en
Behavioral task
behavioral22
Sample
Resource/Bins/Gax.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral23
Sample
Resource/Bins/GmAPI.dll
Resource
win7-20240705-en
Behavioral task
behavioral24
Sample
Resource/Bins/GmAPI.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral25
Sample
Resource/Bins/hyp.dll
Resource
win7-20240704-en
Behavioral task
behavioral26
Sample
Resource/Bins/hyp.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral27
Sample
Resource/Bins/xml.dll
Resource
win7-20240708-en
Behavioral task
behavioral28
Sample
Resource/Bins/xml.dll
Resource
win10v2004-20240709-en
Behavioral task
behavioral29
Sample
uninst.exe
Resource
win7-20240704-en
Behavioral task
behavioral30
Sample
uninst.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral31
Sample
新云软件.url
Resource
win7-20240705-en
Behavioral task
behavioral32
Sample
新云软件.url
Resource
win10v2004-20240709-en
General
-
Target
GTA.exe
-
Size
482KB
-
MD5
a42f2337f34b5ab3e86586904263b2cb
-
SHA1
38d59d75cfd8a726b4b6b4f8027a8e6e8da417fa
-
SHA256
85375250e7f5a0de02abe57f649f3388c86bfc4d7162713858e41a82790613ee
-
SHA512
da7c9bc8907fe933ba6cda9c97d6eacc63bd5303158444b91d23284b8c1e80e2c296cfc604f5b6801d5d319bf51d7e8171a6c65180338d18f00d2acd7175b619
-
SSDEEP
12288:gp6I9KoS9AMwXQLT1WKOhNdg3NlWH49f5oW0aQ:g9LMwXQLT1AhLg3NlWH49f5oW0a
Malware Config
Signatures
-
resource yara_rule behavioral11/memory/2508-2-0x0000000000260000-0x000000000027D000-memory.dmp upx behavioral11/memory/2508-1-0x0000000000260000-0x000000000027D000-memory.dmp upx behavioral11/memory/2508-21-0x0000000000260000-0x000000000027D000-memory.dmp upx -
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 GTA.exe -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3C122EBF-635E-4B20-AA6F-C260E7A11402}\Version Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1B4C4444-7540-4926-8D3D-82A953AE7B7B}\ProxyStubClsid32 GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{27F28E94-FC32-47BE-AC0C-B5F7E9D9FFCF} GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.Label.13.2.1\CLSID\ = "{643BE94B-4F94-4FA8-85DF-03FED1C7CD70}" GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D217578B-5ADC-4071-A205-B4168CFB2923}\Control Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{324B467B-1E0F-446D-B92B-BEDBEF77302F}\TypeLib GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F09F389C-1A6F-478C-8C8D-38C067A2BC1F}\TypeLib\ = "{555E8FCC-830E-45CC-AF00-A012D5AE7451}" GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ADFC27F6-ED45-4651-9224-6D9E1B8702B9}\TypeLib\ = "{555E8FCC-830E-45CC-AF00-A012D5AE7451}" GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.PushButton.13.2.1\ = "Xtreme PushButton Control" Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E4694342-EC78-406F-B903-E7A127EACC45}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4} Regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ADA28A35-789A-40D9-B564-7577DA549319}\ = "ICommandBarGallery" GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7345DE22-A715-476A-A26B-D9273D42FACC}\ProxyStubClsid32 GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.CommandBarsFrame.13.2.1 Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EA6BB978-31B8-4F06-99A6-17A150A6FBE2}\TypeLib GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1935891D-B4E9-45C7-AAF6-EF340E785590}\TypeLib\ = "{A8E5842E-102B-4289-9D57-3B3F5B5E15D3}" GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4B71A472-5359-4F4E-80D2-81140C57023B}\ProxyStubClsid32 GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ADFC27F6-ED45-4651-9224-6D9E1B8702B9}\Control\ Regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6A21E540-B13B-4AD8-B7B6-4CDB5902DDE7}\MiscStatus\ = "0" Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E5012C11-D6F7-4A60-BC80-6B4D58112A97}\TypeLib GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F0AE5A41-0B8A-4298-8396-81F0F31326CB} GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A57DADB6-9F58-4B72-8D29-CA6AE4E28ADE}\Implemented Categories GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{766113E7-46A4-4F99-83D8-C6D3C2B390FC} GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6A21E540-B13B-4AD8-B7B6-4CDB5902DDE7}\MiscStatus GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8253EF5E-405A-443C-9A3C-82C60DC93099}\Version Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9D130CCB-61B9-4E05-84A8-A0B5BF5DF81B} GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E5012C11-D6F7-4A60-BC80-6B4D58112A97}\TypeLib\Version = "d.2" GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C4589E80-7CC5-40BE-88F0-A00563E6FFA4}\Version\ = "13.2" Regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0EC716DE-9CE6-4D40-B6C5-3B9425FBB55A}\TypeLib\ = "{555E8FCC-830E-45CC-AF00-A012D5AE7451}" GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.PropExchange.13.2.1\CLSID Regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6BEEB937-E5E4-4379-90A3-500E0636442F}\Control\ Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{943CD032-EBAE-43E7-878C-0B0E78F5093C}\Version Regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{09028A35-789A-40D9-B564-7577DA549319}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39101C08-7787-44CF-AD0F-59D3D2737E5E}\TypeLib\ = "{A8E5842E-102B-4289-9D57-3B3F5B5E15D3}" GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2830669C-F9FA-4A36-8DE3-EA1F88703EFA}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Resource\\Bins\\CONTRO~1.DLL, 23" GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4F44036-56F5-40F0-81B8-7F811686AD3B}\TypeLib GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{154A7B16-7BE8-42EC-870C-8849F5540F14}\TypeLib GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{52FC52EC-7255-4EE6-8156-52B7F3FC970B}\TypeLib GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.Resizer.13.2.1\ = "Xtreme Resizer Control" Regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F09F389C-1A6F-478C-8C8D-38C067A2BC1F}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{34E99DE9-BB32-48B2-B501-14F160924508}\MiscStatus\ = "0" Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D217578B-5ADC-4071-A205-B4168CFB2923}\InprocServer32 GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1616DC35-B997-432B-AB4F-439341A769E5}\ = "_DCommandBars" GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{676B9842-AE6D-46A8-BC77-CEE7D5CE9ED7}\TypeLib GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{472644B1-DFF0-4E26-AA07-8E6A8A2FBC68} GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F4F44036-56F5-40F0-81B8-7F811686AD3B}\InprocServer32 GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AD23520C-D0DC-4E43-8B92-55946D1A8DFE} GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8253EF5E-405A-443C-9A3C-82C60DC93099}\ProgID GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8EBE44D6-1D1F-483A-94E7-518AE9EE4DDB}\TypeLib\ = "{555E8FCC-830E-45CC-AF00-A012D5AE7451}" GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{154A7B16-7BE8-42EC-870C-8849F5540F14} GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{676B9842-AE6D-46A8-BC77-CEE7D5CE9ED7}\TypeLib\ = "{A8E5842E-102B-4289-9D57-3B3F5B5E15D3}" GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{55537751-7F27-46D2-91A1-0442FD6DA0DD}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{581D1B56-CC4E-4273-A031-E175635B6D4D}\Control Regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5CCF5EAE-9731-436F-8D92-C949D200ADA1}\ = "_DResizerEvents" GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5EB30058-7F70-434B-9679-BEAB0B8EC24A}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6BEEB937-E5E4-4379-90A3-500E0636442F}\ToolboxBitmap32 Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8253EF5E-405A-443C-9A3C-82C60DC93099}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4} Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{777CBB00-0690-4528-8656-E33E61F39377} GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ADFC27F6-ED45-4651-9224-6D9E1B8702B9}\MiscStatus GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Codejock.CommandBars.13.2.1\CLSID\ = "{ADFC27F6-ED45-4651-9224-6D9E1B8702B9}" Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D217578B-5ADC-4071-A205-B4168CFB2923}\InprocServer32 Regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ADA28A35-789A-40D9-B564-7577DA549319} GTA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{64298CBC-CE5B-47CC-979F-81E70F424160}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" GTA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4DB2F326-3802-4ABD-A98B-9C5AA2A19F6F}\TypeLib Regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B4568A35-789A-40D9-B564-7577DA549319}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" GTA.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2508 GTA.exe -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe 2508 GTA.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2508 wrote to memory of 2732 2508 GTA.exe 29 PID 2508 wrote to memory of 2732 2508 GTA.exe 29 PID 2508 wrote to memory of 2732 2508 GTA.exe 29 PID 2508 wrote to memory of 2732 2508 GTA.exe 29 PID 2508 wrote to memory of 2732 2508 GTA.exe 29 PID 2508 wrote to memory of 2732 2508 GTA.exe 29 PID 2508 wrote to memory of 2732 2508 GTA.exe 29 PID 2508 wrote to memory of 2764 2508 GTA.exe 30 PID 2508 wrote to memory of 2764 2508 GTA.exe 30 PID 2508 wrote to memory of 2764 2508 GTA.exe 30 PID 2508 wrote to memory of 2764 2508 GTA.exe 30 PID 2508 wrote to memory of 2764 2508 GTA.exe 30 PID 2508 wrote to memory of 2764 2508 GTA.exe 30 PID 2508 wrote to memory of 2764 2508 GTA.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\GTA.exe"C:\Users\Admin\AppData\Local\Temp\GTA.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Windows\SysWOW64\Regsvr32.exeRegsvr32.exe /s "C:\Users\Admin\AppData\Local\Temp\Resource\Bins\CommandBars0.dll"2⤵
- Modifies registry class
PID:2732
-
-
C:\Windows\SysWOW64\Regsvr32.exeRegsvr32.exe /s "C:\Users\Admin\AppData\Local\Temp\Resource\Bins\Controls0.dll"2⤵
- Modifies registry class
PID:2764
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NFAY0EOS\ip[1].htm
Filesize15B
MD5257e224772d8fd9b4f8b2e23efce87a2
SHA1be61fe7107d164446ec3bed4f60a53cd5e9dfb13
SHA2561bcad4b199514b1890afe59ee6091de9eb70f4ebfe771ae70844120311400d27
SHA512c52e833895d94eab6db4058e09e888a43abcb86ddbc9a4e6947552cb0356265b58d26fe40d8dbf9b4fc7df407bf28cad8993cb79e4caaea126c7ee70a704c076