Analysis
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max time kernel
1404s -
max time network
1174s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-02-2024 04:55
Static task
static1
Behavioral task
behavioral1
Sample
Sig.exe
Resource
win11-20240221-en
General
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Target
Sig.exe
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Size
7.2MB
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MD5
0c702acbc7d30c865839dcb8a94a4a86
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SHA1
06186c0bace78cf632d1bf31566d3e6479ab329c
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SHA256
f3c880591e06396f588d5b45c599ba6aef1aae4065d0d55b3560e3547242b697
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SHA512
5de2485877995cfe5b74385ed68df580c0ca8105a9089ecd9255c0e273a1677899157d73817f689af667b50da6510a8561c56309937dc32dca408fd5b2f2af7c
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SSDEEP
98304:VXoFOv7y5Wm9647jfOzEa+yF0tznDOrq50oE7kwKSRPAb2Zpbq6+QYa:9E647jfOzCyCtL75YRPAkFvZX
Malware Config
Extracted
eternity
http://izrukvro5khcol3z7cvvdq3akeunlod2gshgn7ppo3a4jvse3z5hpiyd.onion
Signatures
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Eternity
Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.
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Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 1 pastebin.com 18 pastebin.com -
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 2 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4388 set thread context of 3820 4388 Sig.exe 81 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 vbc.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier vbc.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1488 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3820 vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3820 vbc.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 4388 wrote to memory of 3820 4388 Sig.exe 81 PID 4388 wrote to memory of 3820 4388 Sig.exe 81 PID 4388 wrote to memory of 3820 4388 Sig.exe 81 PID 4388 wrote to memory of 3820 4388 Sig.exe 81 PID 4388 wrote to memory of 3820 4388 Sig.exe 81 PID 3820 wrote to memory of 1008 3820 vbc.exe 83 PID 3820 wrote to memory of 1008 3820 vbc.exe 83 PID 3820 wrote to memory of 1008 3820 vbc.exe 83 PID 1008 wrote to memory of 1636 1008 cmd.exe 85 PID 1008 wrote to memory of 1636 1008 cmd.exe 85 PID 1008 wrote to memory of 1636 1008 cmd.exe 85 PID 1008 wrote to memory of 2908 1008 cmd.exe 86 PID 1008 wrote to memory of 2908 1008 cmd.exe 86 PID 1008 wrote to memory of 2908 1008 cmd.exe 86 PID 1008 wrote to memory of 2576 1008 cmd.exe 87 PID 1008 wrote to memory of 2576 1008 cmd.exe 87 PID 1008 wrote to memory of 2576 1008 cmd.exe 87 PID 3820 wrote to memory of 3260 3820 vbc.exe 88 PID 3820 wrote to memory of 3260 3820 vbc.exe 88 PID 3820 wrote to memory of 3260 3820 vbc.exe 88 PID 3260 wrote to memory of 848 3260 cmd.exe 90 PID 3260 wrote to memory of 848 3260 cmd.exe 90 PID 3260 wrote to memory of 848 3260 cmd.exe 90 PID 3260 wrote to memory of 2816 3260 cmd.exe 91 PID 3260 wrote to memory of 2816 3260 cmd.exe 91 PID 3260 wrote to memory of 2816 3260 cmd.exe 91 PID 3260 wrote to memory of 1084 3260 cmd.exe 92 PID 3260 wrote to memory of 1084 3260 cmd.exe 92 PID 3260 wrote to memory of 1084 3260 cmd.exe 92 PID 3820 wrote to memory of 1596 3820 vbc.exe 100 PID 3820 wrote to memory of 1596 3820 vbc.exe 100 PID 3820 wrote to memory of 1596 3820 vbc.exe 100 PID 1596 wrote to memory of 3332 1596 cmd.exe 102 PID 1596 wrote to memory of 3332 1596 cmd.exe 102 PID 1596 wrote to memory of 3332 1596 cmd.exe 102 PID 1596 wrote to memory of 1488 1596 cmd.exe 103 PID 1596 wrote to memory of 1488 1596 cmd.exe 103 PID 1596 wrote to memory of 1488 1596 cmd.exe 103 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Sig.exe"C:\Users\Admin\AppData\Local\Temp\Sig.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4388 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3820 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All3⤵
- Suspicious use of WriteProcessMemory
PID:1008 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵PID:1636
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile4⤵PID:2908
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C:\Windows\SysWOW64\findstr.exefindstr All4⤵PID:2576
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile name="65001" key=clear | findstr Key3⤵
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵PID:848
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile name="65001" key=clear4⤵PID:2816
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C:\Windows\SysWOW64\findstr.exefindstr Key4⤵PID:1084
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵PID:3332
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.14⤵
- Runs ping.exe
PID:1488
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