Analysis
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max time kernel
112s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-12-2024 14:15
Static task
static1
Behavioral task
behavioral1
Sample
PROFORMA FATURA pdf.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
PROFORMA FATURA pdf.exe
Resource
win10v2004-20241007-en
General
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Target
PROFORMA FATURA pdf.exe
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Size
1.8MB
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MD5
00e8ff51aeee836ba8c765d8fddef307
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SHA1
fb6ebb2222b4b6a328684ac51795092435ed229e
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SHA256
283abbd8b30c201c0c58db11b6245ebff8fff283de873e52442e3df7e373eff1
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SHA512
a699858a707af7acf11d0a19896aca7ba3b5e99525566bce4620580666d7f2251a502079e95fa371862bf7d8ea616bc04c01032dcb855e085da211abc0a7b8f6
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SSDEEP
24576:Sxis3sVkUc0TznnsGXLDT01+EuVkwaSW+xoiOkcIM1W8M8HU1C:S33sV4MDn3XLDobuCGDodF48J
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7541747451:AAG9ox_SxDHAyEttYy3LixYmdIWollHA9VY/sendMessage?chat_id=7969902771
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/4632-1195-0x0000000140000000-0x0000000140024000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4260 created 3540 4260 PROFORMA FATURA pdf.exe 56 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Items.vbs PROFORMA FATURA 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 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 13 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4260 set thread context of 4632 4260 PROFORMA FATURA pdf.exe 83 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4260 PROFORMA FATURA pdf.exe 4632 InstallUtil.exe 4632 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4260 PROFORMA FATURA pdf.exe Token: SeDebugPrivilege 4260 PROFORMA FATURA pdf.exe Token: SeDebugPrivilege 4632 InstallUtil.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4260 wrote to memory of 4632 4260 PROFORMA FATURA pdf.exe 83 PID 4260 wrote to memory of 4632 4260 PROFORMA FATURA pdf.exe 83 PID 4260 wrote to memory of 4632 4260 PROFORMA FATURA pdf.exe 83 PID 4260 wrote to memory of 4632 4260 PROFORMA FATURA pdf.exe 83 PID 4260 wrote to memory of 4632 4260 PROFORMA FATURA pdf.exe 83 PID 4260 wrote to memory of 4632 4260 PROFORMA FATURA pdf.exe 83 -
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 InstallUtil.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 InstallUtil.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3540
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C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA pdf.exe"C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA pdf.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4260
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4632
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