Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 14:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe
Resource
win10v2004-20260513-en
18 signatures
150 seconds
Behavioral task
behavioral2
Sample
c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe
Resource
win11ltsc2024-20260709-en
17 signatures
150 seconds
General
- Target c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe
- Size 1.0MB
- Sample260810-rtfpvabk7z
- SHA256 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9
- MD5 b3fdf47f7747a1aa8f6a1698cb899cc2
- SHA1 bec514381f775b00f1012d496ab0cd9abde9ec37
- SHA512 921b26671e11b649dcea15c3fbcdc1be0a97b1a687d9fb8d6a8ceed89dd024618d0105dbff27d072a763f1755873aae8339bb6d7aa2bd03847db006a2f191025
- SSDEEP 24576:wW+G19tHIdV8b8XgC0m8ftzdYl/kF0RXND6bH:vxhIdV8b8Xn0m8ftal8F0RX8b
- TLSH T11A3523A08399C522C4A9577644A6D3B12376DF9EF332E76E8FCCFCABB6217102405785
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Formbook payload 4 IoCs
resource yara_rule behavioral2/memory/2824-18-0x00000000012A0000-0x00000000012E7000-memory.dmp family_formbook behavioral2/memory/2824-34-0x00000000012A0000-0x00000000012E7000-memory.dmp family_formbook behavioral2/memory/2824-52-0x00000000012A0000-0x00000000012E7000-memory.dmp family_formbook behavioral2/memory/3068-53-0x0000000000660000-0x00000000006A4000-memory.dmp family_formbook - Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4740 powershell.exe 4836 powershell.exe 1088 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 1800 ATvzKXOf.exe - Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook ctfmon.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\ATvzKXOf = "\"C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Users\\Admin\\AppData\\Local\\Temp\\bto1gezlwpk.ps1\"" c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe - SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral2/memory/3252-7-0x0000000005A40000-0x0000000005A50000-memory.dmp SmartAssembly - Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 3252 set thread context of 2824 3252 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe 91 PID 2824 set thread context of 2004 2824 MSBuild.exe PID 2824 set thread context of 3068 2824 MSBuild.exe 95 PID 3068 set thread context of 3116 3068 ctfmon.exe 81 PID 3068 set thread context of 3444 3068 ctfmon.exe 97 PID 1800 set thread context of 1392 1800 ATvzKXOf.exe 100 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ATvzKXOf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ctfmon.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
description ioc Process Key created \Registry\User\S-1-5-21-1875162379-3804078649-638427191-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 ctfmon.exe - Suspicious behavior: EnumeratesProcesses 34 IoCs
pid Process 3252 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe 3252 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe 4740 powershell.exe 2824 MSBuild.exe 2824 MSBuild.exe 4740 powershell.exe 2824 MSBuild.exe 2824 MSBuild.exe 1088 powershell.exe 1088 powershell.exe 1088 powershell.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 1800 ATvzKXOf.exe 1800 ATvzKXOf.exe 1392 MSBuild.exe 4836 powershell.exe 4836 powershell.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3116 explorer.exe - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 2824 MSBuild.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe 3068 ctfmon.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3252 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeIncreaseQuotaPrivilege 4740 powershell.exe Token: SeSecurityPrivilege 4740 powershell.exe Token: SeTakeOwnershipPrivilege 4740 powershell.exe Token: SeLoadDriverPrivilege 4740 powershell.exe Token: SeSystemProfilePrivilege 4740 powershell.exe Token: SeSystemtimePrivilege 4740 powershell.exe Token: SeProfSingleProcessPrivilege 4740 powershell.exe Token: SeIncBasePriorityPrivilege 4740 powershell.exe Token: SeCreatePagefilePrivilege 4740 powershell.exe Token: SeBackupPrivilege 4740 powershell.exe Token: SeRestorePrivilege 4740 powershell.exe Token: SeShutdownPrivilege 4740 powershell.exe Token: SeDebugPrivilege 4740 powershell.exe Token: SeSystemEnvironmentPrivilege 4740 powershell.exe Token: SeRemoteShutdownPrivilege 4740 powershell.exe Token: SeUndockPrivilege 4740 powershell.exe Token: SeManageVolumePrivilege 4740 powershell.exe Token: 33 4740 powershell.exe Token: 34 4740 powershell.exe Token: 35 4740 powershell.exe Token: 36 4740 powershell.exe Token: SeShutdownPrivilege 3116 explorer.exe Token: SeCreatePagefilePrivilege 3116 explorer.exe Token: SeShutdownPrivilege 3116 explorer.exe Token: SeCreatePagefilePrivilege 3116 explorer.exe Token: SeShutdownPrivilege 3116 explorer.exe Token: SeCreatePagefilePrivilege 3116 explorer.exe Token: SeShutdownPrivilege 3116 explorer.exe Token: SeCreatePagefilePrivilege 3116 explorer.exe Token: SeDebugPrivilege 1800 ATvzKXOf.exe Token: SeShutdownPrivilege 3116 explorer.exe Token: SeCreatePagefilePrivilege 3116 explorer.exe Token: SeShutdownPrivilege 3116 explorer.exe Token: SeCreatePagefilePrivilege 3116 explorer.exe Token: SeDebugPrivilege 4836 powershell.exe Token: SeIncreaseQuotaPrivilege 4836 powershell.exe Token: SeSecurityPrivilege 4836 powershell.exe Token: SeTakeOwnershipPrivilege 4836 powershell.exe Token: SeLoadDriverPrivilege 4836 powershell.exe Token: SeSystemProfilePrivilege 4836 powershell.exe Token: SeSystemtimePrivilege 4836 powershell.exe Token: SeProfSingleProcessPrivilege 4836 powershell.exe Token: SeIncBasePriorityPrivilege 4836 powershell.exe Token: SeCreatePagefilePrivilege 4836 powershell.exe Token: SeBackupPrivilege 4836 powershell.exe Token: SeRestorePrivilege 4836 powershell.exe Token: SeShutdownPrivilege 4836 powershell.exe Token: SeDebugPrivilege 4836 powershell.exe Token: SeSystemEnvironmentPrivilege 4836 powershell.exe Token: SeRemoteShutdownPrivilege 4836 powershell.exe Token: SeUndockPrivilege 4836 powershell.exe Token: SeManageVolumePrivilege 4836 powershell.exe Token: 33 4836 powershell.exe Token: 34 4836 powershell.exe Token: 35 4836 powershell.exe Token: 36 4836 powershell.exe Token: SeShutdownPrivilege 3116 explorer.exe Token: SeCreatePagefilePrivilege 3116 explorer.exe Token: SeShutdownPrivilege 3116 explorer.exe Token: SeCreatePagefilePrivilege 3116 explorer.exe Token: SeShutdownPrivilege 3116 explorer.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3252 wrote to memory of 4740 3252 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe 89 PID 3252 wrote to memory of 2824 3252 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe 91 PID 3252 wrote to memory of 2824 3252 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe 91 PID 3252 wrote to memory of 2824 3252 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe 91 PID 1088 wrote to memory of 1800 1088 powershell.exe 94 PID 3068 wrote to memory of 3444 3068 ctfmon.exe 97 PID 1800 wrote to memory of 4836 1800 ATvzKXOf.exe 98 PID 1800 wrote to memory of 1392 1800 ATvzKXOf.exe 100 PID 1800 wrote to memory of 1392 1800 ATvzKXOf.exe 100 PID 1800 wrote to memory of 1392 1800 ATvzKXOf.exe 100 - outlook_office_path 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook ctfmon.exe
Processes
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3116 -
C:\Users\Admin\AppData\Local\Temp\c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe"C:\Users\Admin\AppData\Local\Temp\c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.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
PID:3252 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4740
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2824
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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 -File "C:\Users\Admin\AppData\Local\Temp\bto1gezlwpk.ps1"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Users\Admin\AppData\Roaming\ATvzKXOf.exe"C:\Users\Admin\AppData\Roaming\ATvzKXOf.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
PID:1800 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ATvzKXOf.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4836
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1392
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C:\Windows\SysWOW64\ctfmon.exe"C:\Windows\SysWOW64\ctfmon.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
PID:3068 -
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"2⤵PID:3444
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 21KB
- SHA256 1e55186dd8c475a3c15627fadd89e9f174a08c98df3632a157b7fd7624fe9fa9
- MD5 c524b11f40502f961c7a2ac17add763d
- SHA1 cc9356eb3792fc116c2fa540749057585aa43e4d
- SHA512 88f8e8120431adfec03265852d548ffbf1ac4188234e030db461236b5e026bb2e7d679b9fcf988aaeb5ff98c9f17833af14a91e9402a19945ab5ba213f1e908b
- SSDEEP 384:v1eBaoT1iBGCGW14bQxkt0a/+geZ1or2Pn5IAXr4B+dWoVIzKwMvYbhNaPElRtry:texZ6GZWi+oz/+O6RIAXrq+tojbhNaP1
- TLSH T159A2C478213F6DC7D8D222B410D10AB7FBE4D489DAB611D4AF2BDA2F4C90EB64A60524
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oz5oq4jd.2zp.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\bto1gezlwpk.ps1
- Size 1KB
- SHA256 8bef54163d584c9286ae5651c47e5aa64b6124abb7e643fb909ca2113ec531f4
- MD5 c3832750c063901ab8839a4186ce5c7b
- SHA1 4eb759262ec853ae19bff7df1f62d63610d00e25
- SHA512 5ca93e70c5fec78a10da1f6499f1dd7cba36262296d841ed7619e32044a3a32a696b2b3d4efd6bd62dc00012cc3339ee4e0fc44a004e458bca5adf5f68514cfa
- TLSH T18111A01B8E8447C6806407F45503B0DCB26E62DB2BBF459044EDB5EDB32BE62343ADE9
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\ATvzKXOf.exe
- Size 1.0MB
- SHA256 c7d33bbd5b5e9b32907ec498e8db40e0bf3af7a07e2fdf798928eb0ff50611e9
- MD5 b3fdf47f7747a1aa8f6a1698cb899cc2
- SHA1 bec514381f775b00f1012d496ab0cd9abde9ec37
- SHA512 921b26671e11b649dcea15c3fbcdc1be0a97b1a687d9fb8d6a8ceed89dd024618d0105dbff27d072a763f1755873aae8339bb6d7aa2bd03847db006a2f191025
- SSDEEP 24576:wW+G19tHIdV8b8XgC0m8ftzdYl/kF0RXND6bH:vxhIdV8b8Xn0m8ftal8F0RX8b
- TLSH T11A3523A08399C522C4A9577644A6D3B12376DF9EF332E76E8FCCFCABB6217102405785
- MD5 SHA1 SHA512 SSDEEP TLSH