Analysis
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max time kernel
127s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19-01-2023 11:31
General
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Target
Setup.exe
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Size
4.8MB
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MD5
805f586cf296bb8e50a11dd01898f4dd
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SHA1
f1cbe4fa0adf5c437aacb0aa7dbc39301c4932bf
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SHA256
7e990b674b0cfafa59c4a2800698c430321223b47a0722d86e0e3f41b5aab344
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SHA512
ff40888e0fb79027fc99bdf57775994453b35a615e5a89f3c22852403191fba908423353335e823e1bb2af7b9907fe1dbeeb1495d12032ca848df0a207fa8051
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SSDEEP
98304:oluFSBraq4cZUfKR6yJRNbQ5ajRChRRhO3xrToyX08tVrtVM3WURxn85Bt:TFSB+q4aUfKxRNb9RbxrTom08tVBVwWd
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:
Setup.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Setup.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Setup.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Setup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Setup.exe -
Processes:
resource yara_rule behavioral1/memory/4996-135-0x0000000000750000-0x0000000000FA4000-memory.dmp themida behavioral1/memory/4996-144-0x0000000000750000-0x0000000000FA4000-memory.dmp themida -
Processes:
Setup.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Setup.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 20 ipinfo.io 21 ipinfo.io -
Drops file in System32 directory 4 IoCs
Processes:
InstallUtil.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy InstallUtil.exe 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 -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
Setup.exepid process 4996 Setup.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Setup.exedescription pid process target process PID 4996 set thread context of 2784 4996 Setup.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
InstallUtil.exepid process 2784 InstallUtil.exe 2784 InstallUtil.exe 2784 InstallUtil.exe 2784 InstallUtil.exe 2784 InstallUtil.exe 2784 InstallUtil.exe 2784 InstallUtil.exe 2784 InstallUtil.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
Setup.exedescription pid process target process PID 4996 wrote to memory of 2784 4996 Setup.exe InstallUtil.exe PID 4996 wrote to memory of 2784 4996 Setup.exe InstallUtil.exe PID 4996 wrote to memory of 2784 4996 Setup.exe InstallUtil.exe PID 4996 wrote to memory of 2784 4996 Setup.exe InstallUtil.exe PID 4996 wrote to memory of 2784 4996 Setup.exe InstallUtil.exe PID 4996 wrote to memory of 2784 4996 Setup.exe InstallUtil.exe PID 4996 wrote to memory of 2784 4996 Setup.exe InstallUtil.exe PID 4996 wrote to memory of 2784 4996 Setup.exe InstallUtil.exe PID 4996 wrote to memory of 2784 4996 Setup.exe InstallUtil.exe PID 4996 wrote to memory of 2784 4996 Setup.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Setup.exe"C:\Users\Admin\AppData\Local\Temp\Setup.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 -p -s fhsvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2784-143-0x0000000000400000-0x0000000000668000-memory.dmpFilesize
2.4MB
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memory/2784-141-0x00000000005D88A2-mapping.dmp
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memory/2784-148-0x0000000000400000-0x0000000000668000-memory.dmpFilesize
2.4MB
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memory/2784-147-0x0000000000400000-0x0000000000668000-memory.dmpFilesize
2.4MB
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memory/2784-145-0x0000000000400000-0x0000000000668000-memory.dmpFilesize
2.4MB
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memory/2784-140-0x0000000000400000-0x0000000000668000-memory.dmpFilesize
2.4MB
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memory/4996-142-0x00007FFAD6610000-0x00007FFAD6805000-memory.dmpFilesize
2.0MB
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memory/4996-135-0x0000000000750000-0x0000000000FA4000-memory.dmpFilesize
8.3MB
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memory/4996-139-0x0000016026B30000-0x0000016026B4E000-memory.dmpFilesize
120KB
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memory/4996-132-0x0000000000750000-0x0000000000FA4000-memory.dmpFilesize
8.3MB
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memory/4996-144-0x0000000000750000-0x0000000000FA4000-memory.dmpFilesize
8.3MB
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memory/4996-138-0x0000016026CD0000-0x0000016026D46000-memory.dmpFilesize
472KB
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memory/4996-146-0x00007FFAB7130000-0x00007FFAB7BF1000-memory.dmpFilesize
10.8MB
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memory/4996-137-0x00007FFAB7130000-0x00007FFAB7BF1000-memory.dmpFilesize
10.8MB
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memory/4996-136-0x00007FFAD6610000-0x00007FFAD6805000-memory.dmpFilesize
2.0MB