Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
13-08-2024 12:04
Static task
static1
Behavioral task
behavioral1
Sample
Facturas_pdf.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Facturas_pdf.exe
Resource
win10v2004-20240802-en
General
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Target
Facturas_pdf.exe
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Size
910KB
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MD5
129ab29e55efb205471261bc48380372
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SHA1
75670ebbf86906138538caad68b5a75f17097be3
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SHA256
322c8e0ba72b41a9ee9ebdeeb1b1d71cefd9ed9674e285efed105c0918834b24
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SHA512
8020ed1d32fce5d9931da0e52b501c985de294c323a3d70a1f3873642f1a323f79479d555ddb5c2991d68c4300cbb95607e7582f42213080798a8d9de78a70e9
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SSDEEP
24576:qzKGObd+rcjuV/B1mV4uhB4tqyJy70oRXr85ABIxWD:qzKGOorcc8Q5k70o5g58Ixc
Malware Config
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid Process 2696 powershell.exe 2860 powershell.exe -
Uses the VBS compiler for execution 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
Facturas_pdf.exepowershell.exepowershell.exeschtasks.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Facturas_pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
Facturas_pdf.exepowershell.exepowershell.exepid Process 2412 Facturas_pdf.exe 2412 Facturas_pdf.exe 2412 Facturas_pdf.exe 2412 Facturas_pdf.exe 2412 Facturas_pdf.exe 2412 Facturas_pdf.exe 2412 Facturas_pdf.exe 2412 Facturas_pdf.exe 2412 Facturas_pdf.exe 2412 Facturas_pdf.exe 2696 powershell.exe 2860 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Facturas_pdf.exepowershell.exepowershell.exedescription pid Process Token: SeDebugPrivilege 2412 Facturas_pdf.exe Token: SeDebugPrivilege 2696 powershell.exe Token: SeDebugPrivilege 2860 powershell.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
Facturas_pdf.exedescription pid Process procid_target PID 2412 wrote to memory of 2860 2412 Facturas_pdf.exe 30 PID 2412 wrote to memory of 2860 2412 Facturas_pdf.exe 30 PID 2412 wrote to memory of 2860 2412 Facturas_pdf.exe 30 PID 2412 wrote to memory of 2860 2412 Facturas_pdf.exe 30 PID 2412 wrote to memory of 2696 2412 Facturas_pdf.exe 32 PID 2412 wrote to memory of 2696 2412 Facturas_pdf.exe 32 PID 2412 wrote to memory of 2696 2412 Facturas_pdf.exe 32 PID 2412 wrote to memory of 2696 2412 Facturas_pdf.exe 32 PID 2412 wrote to memory of 2752 2412 Facturas_pdf.exe 33 PID 2412 wrote to memory of 2752 2412 Facturas_pdf.exe 33 PID 2412 wrote to memory of 2752 2412 Facturas_pdf.exe 33 PID 2412 wrote to memory of 2752 2412 Facturas_pdf.exe 33 PID 2412 wrote to memory of 2240 2412 Facturas_pdf.exe 36 PID 2412 wrote to memory of 2240 2412 Facturas_pdf.exe 36 PID 2412 wrote to memory of 2240 2412 Facturas_pdf.exe 36 PID 2412 wrote to memory of 2240 2412 Facturas_pdf.exe 36 PID 2412 wrote to memory of 1620 2412 Facturas_pdf.exe 37 PID 2412 wrote to memory of 1620 2412 Facturas_pdf.exe 37 PID 2412 wrote to memory of 1620 2412 Facturas_pdf.exe 37 PID 2412 wrote to memory of 1620 2412 Facturas_pdf.exe 37 PID 2412 wrote to memory of 2156 2412 Facturas_pdf.exe 38 PID 2412 wrote to memory of 2156 2412 Facturas_pdf.exe 38 PID 2412 wrote to memory of 2156 2412 Facturas_pdf.exe 38 PID 2412 wrote to memory of 2156 2412 Facturas_pdf.exe 38 PID 2412 wrote to memory of 1796 2412 Facturas_pdf.exe 39 PID 2412 wrote to memory of 1796 2412 Facturas_pdf.exe 39 PID 2412 wrote to memory of 1796 2412 Facturas_pdf.exe 39 PID 2412 wrote to memory of 1796 2412 Facturas_pdf.exe 39 PID 2412 wrote to memory of 2336 2412 Facturas_pdf.exe 40 PID 2412 wrote to memory of 2336 2412 Facturas_pdf.exe 40 PID 2412 wrote to memory of 2336 2412 Facturas_pdf.exe 40 PID 2412 wrote to memory of 2336 2412 Facturas_pdf.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2412 -
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\Facturas_pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2860
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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\kkUfsLDbd.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2696
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kkUfsLDbd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5734.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2752
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:2240
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:1620
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:2156
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:1796
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:2336
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD576ec7683ca617e5ee72a45b6715cfb6e
SHA1077f4ac8602dc52304533570e3439281255891fd
SHA25667e56c89ac65c4b4eaa20ad0967f008d359921769be381bb84eae5a4ffd6071d
SHA5127cab244872c07b0561d81c99a350f92bf31609b8e7a5a091c8b938e546e2371dd948ca96a89e1912f1ae2b43fdc3caa178a860b2bd46aedfd6b280841cf7b546
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD58cbd89b9b6ca7de0f1c28623dc0b47d9
SHA1a1af23e26c7f2076cf032daefaed6f618e7ccbb3
SHA2565bdbb6778cdef5d10de24f84d5046c36570115b30ceda502ebd09344fadab753
SHA51299625e95a21d52bd32898619422da7ac4e6ddb77072397c3a3925d1b99b5fbe15f8aaa5a6d3348e7cff7e06cecb03a3dea00fd90b87990d074117f5dacce4527