Analysis
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max time kernel
106s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29-12-2022 18:52
General
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Target
Install.exe
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Size
4.2MB
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MD5
e097f6bc4f61dbb6b7c977b976d01208
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SHA1
2cb168313500a0164872f8dfb9d2e92d4940bb45
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SHA256
bf1a2b63d867158cb46ab32bd68afd322d6b6202bc746f45f95a5ce3293d3700
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SHA512
a0fd2029cb28e686040124ff575a9e2620e5816bb941286f9ae43919a89c95ddeddbb662e825760a74f5ed7348e4d8bb32126250248fbf140de29e55152d702f
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SSDEEP
98304:0/IZ8n1+KeAA5ixbYmXMhITiAre/5lF9GWM/mFkuoPdLZSwv6z+7f5MCH:0k8eAaixbYYMoiL5lF40k5PdLZxv6zUB
Malware Config
Extracted
privateloader
http://91.241.19.125/pub.php?pub=one
http://sarfoods.com/index.php
208.67.104.60
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payload_url
https://cdn.discordapp.com/attachments/910842184708792331/931507465563045909/dingo_20220114120058.bmp
https://c.xyzgamec.com/userdown/2202/random.exe
http://193.56.146.76/Proxytest.exe
http://www.yzsyjyjh.com/askhelp23/askinstall23.exe
http://privacy-tools-for-you-780.com/downloads/toolspab3.exe
http://luminati-china.xyz/aman/casper2.exe
https://innovicservice.net/assets/vendor/counterup/RobCleanerInstlr95038215.exe
http://tg8.cllgxx.com/hp8/g1/yrpp1047.exe
https://cdn.discordapp.com/attachments/910842184708792331/930849718240698368/Roll.bmp
https://cdn.discordapp.com/attachments/910842184708792331/930850766787330068/real1201.bmp
https://cdn.discordapp.com/attachments/910842184708792331/930882959131693096/Installer.bmp
http://185.215.113.208/ferrari.exe
https://cdn.discordapp.com/attachments/910842184708792331/931233371110141962/LingeringsAntiphon.bmp
https://cdn.discordapp.com/attachments/910842184708792331/931285223709225071/russ.bmp
https://cdn.discordapp.com/attachments/910842184708792331/932720393201016842/filinnn.bmp
https://cdn.discordapp.com/attachments/910842184708792331/933436611427979305/build20k.bmp
https://c.xyzgamec.com/userdown/2202/random.exe
http://mnbuiy.pw/adsli/note8876.exe
http://www.yzsyjyjh.com/askhelp23/askinstall23.exe
http://luminati-china.xyz/aman/casper2.exe
https://suprimax.vet.br/css/fonts/OneCleanerInst942914.exe
http://tg8.cllgxx.com/hp8/g1/ssaa1047.exe
https://www.deezloader.app/files/Deezloader_Remix_Installer_64_bit_4.3.0_Setup.exe
https://www.deezloader.app/files/Deezloader_Remix_Installer_32_bit_4.3.0_Setup.exe
https://cdn.discordapp.com/attachments/910281601559167006/911516400005296219/anyname.exe
https://cdn.discordapp.com/attachments/910281601559167006/911516894660530226/PBsecond.exe
https://cdn.discordapp.com/attachments/910842184708792331/914047763304550410/Xpadder.bmp
Signatures
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
Install.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Install.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Install.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Install.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Install.exe -
Processes:
resource yara_rule behavioral1/memory/372-135-0x0000000000B50000-0x0000000001774000-memory.dmp themida behavioral1/memory/372-142-0x0000000000B50000-0x0000000001774000-memory.dmp themida -
Processes:
Install.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Install.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 46 ipinfo.io 47 ipinfo.io -
Drops file in System32 directory 4 IoCs
Processes:
InstallUtil.exedescription ioc process File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini InstallUtil.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol InstallUtil.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI InstallUtil.exe File opened for modification C:\Windows\System32\GroupPolicy InstallUtil.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
Install.exepid process 372 Install.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Install.exedescription pid process target process PID 372 set thread context of 5100 372 Install.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
InstallUtil.exepid process 5100 InstallUtil.exe 5100 InstallUtil.exe 5100 InstallUtil.exe 5100 InstallUtil.exe 5100 InstallUtil.exe 5100 InstallUtil.exe 5100 InstallUtil.exe 5100 InstallUtil.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
Install.exedescription pid process target process PID 372 wrote to memory of 5100 372 Install.exe InstallUtil.exe PID 372 wrote to memory of 5100 372 Install.exe InstallUtil.exe PID 372 wrote to memory of 5100 372 Install.exe InstallUtil.exe PID 372 wrote to memory of 5100 372 Install.exe InstallUtil.exe PID 372 wrote to memory of 5100 372 Install.exe InstallUtil.exe PID 372 wrote to memory of 5100 372 Install.exe InstallUtil.exe PID 372 wrote to memory of 5100 372 Install.exe InstallUtil.exe PID 372 wrote to memory of 5100 372 Install.exe InstallUtil.exe PID 372 wrote to memory of 5100 372 Install.exe InstallUtil.exe PID 372 wrote to memory of 5100 372 Install.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Install.exe"C:\Users\Admin\AppData\Local\Temp\Install.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/372-145-0x00007FFAB22C0000-0x00007FFAB2D81000-memory.dmpFilesize
10.8MB
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memory/372-143-0x00007FFAD0FB0000-0x00007FFAD11A5000-memory.dmpFilesize
2.0MB
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memory/372-135-0x0000000000B50000-0x0000000001774000-memory.dmpFilesize
12.1MB
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memory/372-136-0x00007FFAB22C0000-0x00007FFAB2D81000-memory.dmpFilesize
10.8MB
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memory/372-132-0x0000000000B50000-0x0000000001774000-memory.dmpFilesize
12.1MB
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memory/372-138-0x00007FFAD0FB0000-0x00007FFAD11A5000-memory.dmpFilesize
2.0MB
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memory/372-133-0x00007FFAD0FB0000-0x00007FFAD11A5000-memory.dmpFilesize
2.0MB
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memory/372-139-0x00007FFAB22C0000-0x00007FFAB2D81000-memory.dmpFilesize
10.8MB
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memory/372-137-0x0000000000B50000-0x0000000001774000-memory.dmpFilesize
12.1MB
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memory/372-142-0x0000000000B50000-0x0000000001774000-memory.dmpFilesize
12.1MB
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memory/5100-140-0x0000000000400000-0x0000000000660000-memory.dmpFilesize
2.4MB
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memory/5100-144-0x0000000000400000-0x0000000000660000-memory.dmpFilesize
2.4MB
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memory/5100-141-0x00000000005D88A2-mapping.dmp
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memory/5100-146-0x0000000000400000-0x0000000000660000-memory.dmpFilesize
2.4MB
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memory/5100-147-0x0000000000400000-0x0000000000660000-memory.dmpFilesize
2.4MB
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memory/5100-148-0x0000000000400000-0x0000000000660000-memory.dmpFilesize
2.4MB