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Analysis
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max time kernel
124s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22/01/2025, 22:47
Static task
static1
Behavioral task
behavioral1
Sample
FACTURA PROFORMA pdf.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
FACTURA PROFORMA pdf.exe
Resource
win10v2004-20241007-en
General
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Target
FACTURA PROFORMA pdf.exe
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Size
826KB
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MD5
708b864fcebfe235752eeb2c5ccff0c8
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SHA1
61295aeeb9d0fca8d778d85878d4ba3ec927b354
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SHA256
6a2167c7c8ec6a6101465cb228421143cf18abf246a898cbdc6026b9824f205f
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SHA512
9f9f2138d9978228164e93e19b09bc79aa306d282d3abcac5d85430e4551c6e3e78b2ab6e0a9feae7c451076e71c34d2dcc60650345ff79b44fa52cba88bd824
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SSDEEP
12288:xBHINMAgeY0uLVgtXYIEv1G7QTlLLfUZEp08aJE231XW9xc645v:bHEMpoupaXYmQhffKEy9OK1Uw5v
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7979504653:AAFm_-f-R46w_TvBkt1kfgnnTRSttNIPYiY/sendMessage?chat_id=5600682828
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/3204-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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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.
pid Process 628 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation FACTURA PROFORMA pdf.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 19 reallyfreegeoip.org 20 reallyfreegeoip.org 16 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2072 set thread context of 3204 2072 FACTURA PROFORMA pdf.exe 89 -
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 3 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 FACTURA PROFORMA pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2072 FACTURA PROFORMA pdf.exe 2072 FACTURA PROFORMA pdf.exe 3204 RegSvcs.exe 628 powershell.exe 628 powershell.exe 3204 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2072 FACTURA PROFORMA pdf.exe Token: SeDebugPrivilege 3204 RegSvcs.exe Token: SeDebugPrivilege 628 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2072 wrote to memory of 628 2072 FACTURA PROFORMA pdf.exe 86 PID 2072 wrote to memory of 628 2072 FACTURA PROFORMA pdf.exe 86 PID 2072 wrote to memory of 628 2072 FACTURA PROFORMA pdf.exe 86 PID 2072 wrote to memory of 1128 2072 FACTURA PROFORMA pdf.exe 87 PID 2072 wrote to memory of 1128 2072 FACTURA PROFORMA pdf.exe 87 PID 2072 wrote to memory of 1128 2072 FACTURA PROFORMA pdf.exe 87 PID 2072 wrote to memory of 3204 2072 FACTURA PROFORMA pdf.exe 89 PID 2072 wrote to memory of 3204 2072 FACTURA PROFORMA pdf.exe 89 PID 2072 wrote to memory of 3204 2072 FACTURA PROFORMA pdf.exe 89 PID 2072 wrote to memory of 3204 2072 FACTURA PROFORMA pdf.exe 89 PID 2072 wrote to memory of 3204 2072 FACTURA PROFORMA pdf.exe 89 PID 2072 wrote to memory of 3204 2072 FACTURA PROFORMA pdf.exe 89 PID 2072 wrote to memory of 3204 2072 FACTURA PROFORMA pdf.exe 89 PID 2072 wrote to memory of 3204 2072 FACTURA PROFORMA pdf.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\FACTURA PROFORMA pdf.exe"C:\Users\Admin\AppData\Local\Temp\FACTURA PROFORMA pdf.exe"1⤵
- 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
PID:2072 -
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 PROFORMA pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:628
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:1128
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3204
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82