Analysis
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max time kernel
287s -
max time network
277s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
22-07-2023 22:11
Static task
static1
Behavioral task
behavioral1
Sample
1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe
Resource
win7-20230712-en
General
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Target
1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe
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Size
3.2MB
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MD5
17ac1c73bcfa7f1b0a516f519d7d7d7b
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SHA1
0d89c538b667a56753ecca6ad710cd8e04e47fba
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SHA256
1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b
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SHA512
12a89dede9fdb7ad7cd0bce7575ffa0de3002677f0b43ca61bdcb2fb328cac62fd2829691db3d6995ebdfcd477d98463e9e948ed96e68248aa956da848739aee
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SSDEEP
98304:7amyaFmPmjcy+m8TccYLZYje/IwjC294G:7hyacP+yXThYLOew8C29
Malware Config
Extracted
laplas
http://185.209.161.89
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api_key
6a2714906f1325d666e4cf9f6269c2352ccfb7e7f1a23c114287dc69ddf27cb0
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe -
Executes dropped EXE 1 IoCs
pid Process 1688 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1616 1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1014134971-2480516131-292343513-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1616 1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe 1688 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 2 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1616 wrote to memory of 1688 1616 1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe 30 PID 1616 wrote to memory of 1688 1616 1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe 30 PID 1616 wrote to memory of 1688 1616 1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe"C:\Users\Admin\AppData\Local\Temp\1c53a85428c1768509983b471922058149f19579f524b1a31a8bba662171267b.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1616 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1688
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
771.2MB
MD5a935184afcd9efa06ed76c4691916406
SHA1691e5ccbf1ae8f0cb6d48e1e50eeea746276bbac
SHA2568eb707caccdb600ecd6378c937f89e9a8c40de24bbdacf47cc3d610c14f727b0
SHA51241feca7770eaf60150e130bf8c3119e1e0352786e92c07af523b8eaeb64e0069167d4207d1c8951636ad1970d4e090b2d431a3e47b07cf7faf2fac81ee992bf4
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Filesize
771.2MB
MD5a935184afcd9efa06ed76c4691916406
SHA1691e5ccbf1ae8f0cb6d48e1e50eeea746276bbac
SHA2568eb707caccdb600ecd6378c937f89e9a8c40de24bbdacf47cc3d610c14f727b0
SHA51241feca7770eaf60150e130bf8c3119e1e0352786e92c07af523b8eaeb64e0069167d4207d1c8951636ad1970d4e090b2d431a3e47b07cf7faf2fac81ee992bf4