Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
05/11/2025, 07:46
Static task
static1
Behavioral task
behavioral1
Sample
factura.pdf.exe
Resource
win10v2004-20250619-en
Behavioral task
behavioral2
Sample
factura.pdf.exe
Resource
win11-20251015-en
General
- Target factura.pdf.exe
- Size 687KB
- Sample251105-jmaagsyncx
- SHA256 3b58ece6a12f3fb6798bb73e6109decd2c8901962dc0db9d0cf22a13b87b21b8
- MD5 240ee2a123295e4680ba4b3a33b1a3ac
- SHA1 365cea2ce72f8cf376fa77dc4da66cc9f51860c9
- SHA512 8706e1e19c5feda4ca38f14a38e5ad85b764d7bf4755131556fe30730a9d043815a1a1532d542865bc15086c3a31187fef639a7a70159ef17b64ad6c8bbe8de9
- SSDEEP 12288:0o2iNxeRPAZWuAvUZnvYVmDF1xmmr8lFjZrfmZ8O/OxTB09BBf:0o1b+SWuEBmDrroFj5fO8QYTi9Bx
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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snakekeylogger
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https://api.telegram.org/bot8248432977:AAGUzfwTYQOdpFzylKkMVaWWzVDUza8CSEE/sendMessage?chat_id=5769492467
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" factura.pdf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" ocvVHJnam.exe - Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral1/memory/4572-38-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Snakekeylogger family
- Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4156 powershell.exe 5004 powershell.exe 4224 powershell.exe 3228 powershell.exe - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" REG.exe - Disables Task Manager via registry modification
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Control Panel\International\Geo\Nation factura.pdf.exe Key value queried \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Control Panel\International\Geo\Nation ocvVHJnam.exe - Executes dropped EXE 2 IoCs
pid Process 4744 ocvVHJnam.exe 3544 ocvVHJnam.exe - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 factura.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 factura.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ocvVHJnam.exe Key opened \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ocvVHJnam.exe Key opened \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ocvVHJnam.exe Key opened \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 factura.pdf.exe - Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 41 reallyfreegeoip.org 19 checkip.dyndns.org 21 reallyfreegeoip.org 22 reallyfreegeoip.org - SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral1/memory/5108-8-0x0000000007A40000-0x0000000007A4E000-memory.dmp SmartAssembly - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5108 set thread context of 4572 5108 factura.pdf.exe 99 PID 4744 set thread context of 3544 4744 ocvVHJnam.exe 112 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 12 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 ocvVHJnam.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language factura.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ocvVHJnam.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language REG.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language factura.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language REG.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Modifies registry key 1 TTPs 2 IoCs
pid Process 4640 REG.exe 1920 REG.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5628 schtasks.exe 5288 schtasks.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4156 powershell.exe 5004 powershell.exe 4572 factura.pdf.exe 4156 powershell.exe 5004 powershell.exe 4572 factura.pdf.exe 4224 powershell.exe 3544 ocvVHJnam.exe 3228 powershell.exe 3228 powershell.exe 4224 powershell.exe 3544 ocvVHJnam.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4156 powershell.exe Token: SeDebugPrivilege 5004 powershell.exe Token: SeDebugPrivilege 4572 factura.pdf.exe Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 3228 powershell.exe Token: SeDebugPrivilege 3544 ocvVHJnam.exe - Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 5108 wrote to memory of 4156 5108 factura.pdf.exe 93 PID 5108 wrote to memory of 4156 5108 factura.pdf.exe 93 PID 5108 wrote to memory of 4156 5108 factura.pdf.exe 93 PID 5108 wrote to memory of 5004 5108 factura.pdf.exe 95 PID 5108 wrote to memory of 5004 5108 factura.pdf.exe 95 PID 5108 wrote to memory of 5004 5108 factura.pdf.exe 95 PID 5108 wrote to memory of 5628 5108 factura.pdf.exe 97 PID 5108 wrote to memory of 5628 5108 factura.pdf.exe 97 PID 5108 wrote to memory of 5628 5108 factura.pdf.exe 97 PID 5108 wrote to memory of 4572 5108 factura.pdf.exe 99 PID 5108 wrote to memory of 4572 5108 factura.pdf.exe 99 PID 5108 wrote to memory of 4572 5108 factura.pdf.exe 99 PID 5108 wrote to memory of 4572 5108 factura.pdf.exe 99 PID 5108 wrote to memory of 4572 5108 factura.pdf.exe 99 PID 5108 wrote to memory of 4572 5108 factura.pdf.exe 99 PID 5108 wrote to memory of 4572 5108 factura.pdf.exe 99 PID 5108 wrote to memory of 4572 5108 factura.pdf.exe 99 PID 4572 wrote to memory of 4640 4572 factura.pdf.exe 102 PID 4572 wrote to memory of 4640 4572 factura.pdf.exe 102 PID 4572 wrote to memory of 4640 4572 factura.pdf.exe 102 PID 4744 wrote to memory of 4224 4744 ocvVHJnam.exe 106 PID 4744 wrote to memory of 4224 4744 ocvVHJnam.exe 106 PID 4744 wrote to memory of 4224 4744 ocvVHJnam.exe 106 PID 4744 wrote to memory of 3228 4744 ocvVHJnam.exe 108 PID 4744 wrote to memory of 3228 4744 ocvVHJnam.exe 108 PID 4744 wrote to memory of 3228 4744 ocvVHJnam.exe 108 PID 4744 wrote to memory of 5288 4744 ocvVHJnam.exe 110 PID 4744 wrote to memory of 5288 4744 ocvVHJnam.exe 110 PID 4744 wrote to memory of 5288 4744 ocvVHJnam.exe 110 PID 4744 wrote to memory of 3544 4744 ocvVHJnam.exe 112 PID 4744 wrote to memory of 3544 4744 ocvVHJnam.exe 112 PID 4744 wrote to memory of 3544 4744 ocvVHJnam.exe 112 PID 4744 wrote to memory of 3544 4744 ocvVHJnam.exe 112 PID 4744 wrote to memory of 3544 4744 ocvVHJnam.exe 112 PID 4744 wrote to memory of 3544 4744 ocvVHJnam.exe 112 PID 4744 wrote to memory of 3544 4744 ocvVHJnam.exe 112 PID 4744 wrote to memory of 3544 4744 ocvVHJnam.exe 112 PID 3544 wrote to memory of 1920 3544 ocvVHJnam.exe 113 PID 3544 wrote to memory of 1920 3544 ocvVHJnam.exe 113 PID 3544 wrote to memory of 1920 3544 ocvVHJnam.exe 113 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ocvVHJnam.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ocvVHJnam.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\factura.pdf.exe"C:\Users\Admin\AppData\Local\Temp\factura.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5108 -
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\factura.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4156
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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\ocvVHJnam.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5004
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ocvVHJnam" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC5A2.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5628
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C:\Users\Admin\AppData\Local\Temp\factura.pdf.exe"C:\Users\Admin\AppData\Local\Temp\factura.pdf.exe"2⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f3⤵
- Disables RegEdit via registry modification
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:4640
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C:\Users\Admin\AppData\Roaming\ocvVHJnam.exeC:\Users\Admin\AppData\Roaming\ocvVHJnam.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4744 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ocvVHJnam.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4224
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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\ocvVHJnam.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3228
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ocvVHJnam" /XML "C:\Users\Admin\AppData\Local\Temp\tmp10C4.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5288
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C:\Users\Admin\AppData\Roaming\ocvVHJnam.exe"C:\Users\Admin\AppData\Roaming\ocvVHJnam.exe"2⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3544 -
C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f3⤵
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1920
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
- MD5 968cb9309758126772781b83adb8a28f
- SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
- SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 449cf537af82204417d22bd76eab765ba4444c6f0d3570cfa262bb22c37d3156
- MD5 e0a7e1d0ac5cddd92b3ead579e0c4eb2
- SHA1 2429aa8d8bde94e5f19f9e6dccbc8e8d6e330cce
- SHA512 03eec6953c7ea68b67708f6b5bd9df746dc8b272ad2f2c549db282b6ba7fc1643c9e725aa9f36a52b34df885c5119eed555f36f76cc8266ff10a0212536565bf
- SSDEEP 384:Usf+Bn91wgjvAqyB0izJk+o9+AT5K6bY1fCXGZcifE6k5sdq/8+nUuVkki0SO1:hfspIq2Dej+AT5NUCpifxk5sdqhUuikD
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 ad35d18f75b88b1ed2182f59e15564313a9929dc331fcc713129e14ef1a545cd
- MD5 ebf017f4dae57bd9b04f40c001e92f4e
- SHA1 f52814ef233b664b3e329bdbd7478c4275fc89ce
- SHA512 400eb5c35671999e8764692e7768e2852cc39a8df5d19032526dc05cea6a89517674f7e76466997e97ce2926111ddd91c8c6e2c4707a3449b4903ff94d1fb636
- SSDEEP 384:Rsf+BO9i+m28xfPizJk+o9opTpK6seYLME/h03SoZyfYSg0jEDkeQ0gdItkKhD:Wf+ffKejopTpNgrKStWKEDjCq3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rgyof52o.dfg.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpC5A2.tmp
- Size 1KB
- SHA256 e50880bf46bbe299c7f175e00515b49d2de475ac62d568279f912e9176da4b82
- MD5 a7853ddffe423cc7a445f6c59e3061e6
- SHA1 3763124b879f9c7e847353624f704c26ebb9e3e4
- SHA512 48e7235dab9cd40a8ca6a7d0c3f243929015111ddc4023c5b1758fdacec1e095519eef3f664b4c56190f28c8ed519f24a1aa8ff54a27b55af4fcd244f6e7e306
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\ocvVHJnam.exe
- Size 687KB
- SHA256 3b58ece6a12f3fb6798bb73e6109decd2c8901962dc0db9d0cf22a13b87b21b8
- MD5 240ee2a123295e4680ba4b3a33b1a3ac
- SHA1 365cea2ce72f8cf376fa77dc4da66cc9f51860c9
- SHA512 8706e1e19c5feda4ca38f14a38e5ad85b764d7bf4755131556fe30730a9d043815a1a1532d542865bc15086c3a31187fef639a7a70159ef17b64ad6c8bbe8de9
- SSDEEP 12288:0o2iNxeRPAZWuAvUZnvYVmDF1xmmr8lFjZrfmZ8O/OxTB09BBf:0o1b+SWuEBmDrroFj5fO8QYTi9Bx
- MD5 SHA1 SHA512 SSDEEP