Analysis
- max time kernel
149s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
30/10/2024, 12:31
General
- Target z83obqahfw.exe
- Size 636KB
- Sample241030-pp2emstdqr
- SHA256 ec66f68731b1c186ac1c87c2520106f85e2a25951303014b9163f51c476846be
Malware Config
Extracted
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formbook
-
4.1
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dn13
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5q53s.top
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f9813.top
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ysticsmoke.net
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ignorysingeysquints.cfd
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yncsignature.live
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svp-their.xyz
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outya.xyz
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wlkflwef3sf2wf.top
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etterjugfetkaril.cfd
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p9eh2s99b5.top
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400108iqlnnqi219.top
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ynsu-condition.xyz
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ndividual-bfiaen.xyz
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anceibizamagazine.net
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itrussips.live
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orkcubefood.xyz
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lindsandfurnishings.shop
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ajwmid.top
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pigramescentfeatous.shop
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mbvcv56789.click
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook family
- Formbook payload 3 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 18 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\z83obqahfw.exe"C:\Users\Admin\AppData\Local\Temp\z83obqahfw.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZXTRzzwt.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZXTRzzwt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE34.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\z83obqahfw.exe"C:\Users\Admin\AppData\Local\Temp\z83obqahfw.exe"3⤵
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C:\Users\Admin\AppData\Local\Temp\z83obqahfw.exe"C:\Users\Admin\AppData\Local\Temp\z83obqahfw.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.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
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\z83obqahfw.exe"3⤵
- System Location Discovery: System Language Discovery
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_5tw0rff3.oqv.ps1
tmpE34.tmp
memory/884-39-0x0000000006000000-0x000000000604C000-memory.dmp
memory/884-62-0x0000000007380000-0x000000000738A000-memory.dmp
memory/884-18-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/884-74-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/884-71-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/884-70-0x0000000007630000-0x0000000007638000-memory.dmp
memory/884-69-0x0000000007650000-0x000000000766A000-memory.dmp
memory/884-68-0x0000000007550000-0x0000000007564000-memory.dmp
memory/884-64-0x0000000007510000-0x0000000007521000-memory.dmp
memory/884-20-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/884-22-0x0000000005850000-0x00000000058B6000-memory.dmp
memory/884-16-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/884-23-0x00000000058C0000-0x0000000005926000-memory.dmp
memory/884-63-0x0000000007590000-0x0000000007626000-memory.dmp
memory/884-33-0x0000000005BE0000-0x0000000005F34000-memory.dmp
memory/884-21-0x0000000005130000-0x0000000005152000-memory.dmp
memory/884-15-0x00000000026C0000-0x00000000026F6000-memory.dmp
memory/884-61-0x0000000007310000-0x000000000732A000-memory.dmp
memory/884-60-0x0000000007950000-0x0000000007FCA000-memory.dmp
memory/884-58-0x00000000071D0000-0x0000000007273000-memory.dmp
memory/884-59-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/884-56-0x00000000071B0000-0x00000000071CE000-memory.dmp
memory/884-57-0x0000000004B70000-0x0000000004B80000-memory.dmp
memory/884-38-0x0000000005FC0000-0x0000000005FDE000-memory.dmp
memory/884-17-0x00000000051B0000-0x00000000057D8000-memory.dmp
memory/884-67-0x0000000007540000-0x000000000754E000-memory.dmp
memory/884-46-0x0000000075590000-0x00000000755DC000-memory.dmp
memory/884-45-0x00000000065B0000-0x00000000065E2000-memory.dmp
memory/884-44-0x000000007F170000-0x000000007F180000-memory.dmp
memory/1896-41-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1896-42-0x00000000015C0000-0x00000000015D4000-memory.dmp
memory/1896-37-0x00000000016D0000-0x0000000001A1A000-memory.dmp
memory/1896-34-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2040-5-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/2040-1-0x0000000000B60000-0x0000000000C06000-memory.dmp
memory/2040-8-0x0000000074D0E000-0x0000000074D0F000-memory.dmp
memory/2040-7-0x0000000006A10000-0x0000000006A2E000-memory.dmp
memory/2040-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp
memory/2040-10-0x0000000002E80000-0x0000000002EF6000-memory.dmp
memory/2040-36-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/2040-6-0x0000000005900000-0x000000000599C000-memory.dmp
memory/2040-9-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/2040-2-0x0000000005B40000-0x00000000060E4000-memory.dmp
memory/2040-4-0x0000000005610000-0x000000000561A000-memory.dmp
memory/2040-3-0x0000000005630000-0x00000000056C2000-memory.dmp
memory/3472-43-0x00000000046B0000-0x0000000004823000-memory.dmp
memory/3472-79-0x0000000008A80000-0x0000000008BAD000-memory.dmp
memory/3664-66-0x0000000000EB0000-0x0000000000EC4000-memory.dmp
memory/3664-65-0x0000000000EB0000-0x0000000000EC4000-memory.dmp
memory/3664-75-0x0000000000830000-0x000000000085F000-memory.dmp