Analysis
- max time kernel
150s - max time network
141s - platform
windows11-21h2_x64 - resource
win11-20250410-en - resource tags
arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system - submitted
22/04/2025, 11:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
VZXBSD.exe
Resource
win10v2004-20250314-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target VZXBSD.exe
- Size 224KB
- Sample250422-nsf3faxrt3
- SHA256 896dacfb811fcde80b97bb497aa5abc2dc3bcdedae8c0791512b208aea6b65bf
- MD5 88bc69b054558e4f2dc95106a1c3e3a8
- SHA1 1a0a747e267376860c3e2e764188cd6ff7895a86
- SHA512 19c2a8601409e98d69faae1437c1caa4bb26ee708f205e332a85854cf14aa145e8689e21e6df4240eeb3a2ad929e273dff6d0cec55e50ecd1f5e51784aae3457
- SSDEEP 6144:/OTn2z/v8iDhDqiAS8rNsZ8WqZ7Kz7EdPVeeQ3uXYKsjUCLJ:4O9qiASQBZ7KXEdPVTQeYKsjUCLJ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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formbook
Version
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4.1
Campaign
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hi13
Decoy
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olidspot.shop
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aise-your-voice.sbs
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9ydygorig3l7z.xyz
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netuzio.xyz
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erspacehealthandwellness.info
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hbnzk.cfd
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uklor.shop
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tudiofoti.pro
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onety.skin
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iralavinc.online
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teelpath.shop
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w-yudfjp.shop
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betka.xyz
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lx2cbhe5vee0e1.xyz
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ndotoverf.pro
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loud-sevice.click
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enckubs.shop
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anpack.shop
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nity-3d-development.dev
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iaolento12.sbs
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xectgroup.net
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avakey.shop
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kfast.store
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ayeewenvqzqm.top
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66xq2.top
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cvaultshielded.live
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5zbm0.cfd
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g1wszulqv7lc.xyz
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rog.top
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xplosion-proof.lat
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aysec.net
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999game.website
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3a4p8gq8bojwn.xyz
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x92q.top
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akextow.net
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t775.top
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873013.xyz
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tu1x120.top
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9882aa1216.autos
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ayarwarna21.live
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ardengoal.net
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8ln62.cfd
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elvetvoiceskiresorts.website
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kpqh.town
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njjwh.info
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movps.net
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pb79kasy.vip
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ellbar.shop
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inktrim.xyz
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hagrinleemotooltechus.shop
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olayl
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tp-batik77-1.vip
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looring-services329769.sbs
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130t.xyz
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9gi02.cfd
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elayrunway.shop
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phones-br.sbs
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aser-skin-treatment-95250.bond
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ry-prodentims.shop
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rtelegans.art
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01411.club
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it4n1ar4t0k7o0.xyz
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igitalmilanolegacy.shop
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ompanion.bio
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gsp657.top
Signatures
- Formbook family
- Formbook payload 5 IoCs
resource yara_rule behavioral2/memory/4456-5-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/4456-10-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/4456-14-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/2468-23-0x0000000001280000-0x00000000012AF000-memory.dmp formbook behavioral2/memory/2468-25-0x0000000001280000-0x00000000012AF000-memory.dmp formbook - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1196 set thread context of 4456 1196 VZXBSD.exe 83 PID 4456 set thread context of 3268 4456 aspnet_compiler.exe 52 PID 4456 set thread context of 3268 4456 aspnet_compiler.exe 52 PID 2468 set thread context of 3268 2468 msiexec.exe 52 - System Location Discovery: System Language Discovery 1 TTPs 3 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 VZXBSD.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-2787523927-1212474705-3964982594-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1196 VZXBSD.exe 1196 VZXBSD.exe 4456 aspnet_compiler.exe 4456 aspnet_compiler.exe 4456 aspnet_compiler.exe 4456 aspnet_compiler.exe 4456 aspnet_compiler.exe 4456 aspnet_compiler.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe 2468 msiexec.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3268 Explorer.EXE - Suspicious behavior: MapViewOfSection 6 IoCs
pid Process 4456 aspnet_compiler.exe 4456 aspnet_compiler.exe 4456 aspnet_compiler.exe 4456 aspnet_compiler.exe 2468 msiexec.exe 2468 msiexec.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1196 VZXBSD.exe Token: SeDebugPrivilege 4456 aspnet_compiler.exe Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeDebugPrivilege 2468 msiexec.exe Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE Token: SeCreatePagefilePrivilege 3268 Explorer.EXE Token: SeShutdownPrivilege 3268 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3268 Explorer.EXE - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1196 wrote to memory of 3400 1196 VZXBSD.exe 82 PID 1196 wrote to memory of 3400 1196 VZXBSD.exe 82 PID 1196 wrote to memory of 3400 1196 VZXBSD.exe 82 PID 1196 wrote to memory of 4456 1196 VZXBSD.exe 83 PID 1196 wrote to memory of 4456 1196 VZXBSD.exe 83 PID 1196 wrote to memory of 4456 1196 VZXBSD.exe 83 PID 1196 wrote to memory of 4456 1196 VZXBSD.exe 83 PID 1196 wrote to memory of 4456 1196 VZXBSD.exe 83 PID 1196 wrote to memory of 4456 1196 VZXBSD.exe 83 PID 3268 wrote to memory of 2468 3268 Explorer.EXE 86 PID 3268 wrote to memory of 2468 3268 Explorer.EXE 86 PID 3268 wrote to memory of 2468 3268 Explorer.EXE 86 PID 2468 wrote to memory of 5256 2468 msiexec.exe 87 PID 2468 wrote to memory of 5256 2468 msiexec.exe 87 PID 2468 wrote to memory of 5256 2468 msiexec.exe 87 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Users\Admin\AppData\Local\Temp\VZXBSD.exe"C:\Users\Admin\AppData\Local\Temp\VZXBSD.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵PID:3400
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4456
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-
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C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- System Location Discovery: System Language Discovery
PID:5256
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