Analysis
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max time kernel
123s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
31-01-2025 07:31
Static task
static1
Behavioral task
behavioral1
Sample
FakturaVAT-FV2025011500091_pdf.scr.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
FakturaVAT-FV2025011500091_pdf.scr.exe
Resource
win10v2004-20250129-en
General
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Target
FakturaVAT-FV2025011500091_pdf.scr.exe
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Size
33KB
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MD5
d8d7f78fe5c20a6b352f07555596d52d
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SHA1
87c051d95e93ede211646eedc17558d105a73161
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SHA256
d63c8389d2b2cabed5b7c9a96a37199ef8509f21ea4c30907ef472a81703277b
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SHA512
9c40cd0bc0d434dc83ad7109c7ae2760303267e2b0e04ad405ebafece908e935d315655811ac951791d268c952661a7052fe85834da928b1bc5faaba5bed2f4d
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SSDEEP
768:e4tstdxqNvXA5IRBy47AtXKSgWDu01L3x+1gb:e4tstdx6vA5IRBXUm6dc1gb
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.haselayakkabi.com.tr - Port:
25 - Username:
[email protected] - Password:
Ydj5DCO% - Email To:
[email protected]
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/1980-1343-0x0000000140000000-0x0000000140024000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3684 created 3528 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 56 -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.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 checkip.dyndns.org 21 reallyfreegeoip.org 22 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3684 set thread context of 1980 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 86 -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 1980 InstallUtil.exe 1980 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3684 FakturaVAT-FV2025011500091_pdf.scr.exe Token: SeDebugPrivilege 3684 FakturaVAT-FV2025011500091_pdf.scr.exe Token: SeDebugPrivilege 1980 InstallUtil.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3684 wrote to memory of 1980 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 86 PID 3684 wrote to memory of 1980 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 86 PID 3684 wrote to memory of 1980 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 86 PID 3684 wrote to memory of 1980 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 86 PID 3684 wrote to memory of 1980 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 86 PID 3684 wrote to memory of 1980 3684 FakturaVAT-FV2025011500091_pdf.scr.exe 86 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\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:3528
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C:\Users\Admin\AppData\Local\Temp\FakturaVAT-FV2025011500091_pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\FakturaVAT-FV2025011500091_pdf.scr.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3684
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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:1980
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