Analysis
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max time kernel
273s -
max time network
288s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
30-07-2023 23:23
Static task
static1
Behavioral task
behavioral1
Sample
b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe
Resource
win7-20230712-en
General
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Target
b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe
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Size
4.1MB
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MD5
b30e29bccabab032c27910210d9ccf76
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SHA1
caa3927738b66c3ecc553943eabedcbbfbe4c0da
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SHA256
b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2
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SHA512
ce8348d0547de624b1bf19804c87b1e0379d29c5fe585d0ac602f51dd1bab90649654b87ebd236eef593829757d182ae16facbd5c2710bfecc87837c63a495a8
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SSDEEP
98304:BTq01m8gyX4fG9VNFJgAvUvc7uqBbDKxh4vU:BG0tgyoelMv+FAhwU
Malware Config
Extracted
laplas
http://lpls.tuktuk.ug
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api_key
a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde
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__ b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.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\VideoBiosVersion b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe -
Executes dropped EXE 1 IoCs
pid Process 2680 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1136 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1136 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe 2680 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 3 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1136 wrote to memory of 2680 1136 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe 28 PID 1136 wrote to memory of 2680 1136 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe 28 PID 1136 wrote to memory of 2680 1136 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe"C:\Users\Admin\AppData\Local\Temp\b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.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:1136 -
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:2680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
794.1MB
MD5d5e7c895eb1a32945a5fbf65d41631a7
SHA1c7d3c5d94e19ee1f7874546dce7c955b4128a88d
SHA25643ae7e474586ff89d3f5bce278418387f9445f52f8badf2975a4103919f6f31e
SHA5124dacb73a4e293064feeac85f0585d33c14bcadd97b566cd1dd8957e31643097081faaa0bab29a4b22e96678f774d57ae2cc88f2c82ea24dabd0f6243ce674728
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Filesize
794.1MB
MD5d5e7c895eb1a32945a5fbf65d41631a7
SHA1c7d3c5d94e19ee1f7874546dce7c955b4128a88d
SHA25643ae7e474586ff89d3f5bce278418387f9445f52f8badf2975a4103919f6f31e
SHA5124dacb73a4e293064feeac85f0585d33c14bcadd97b566cd1dd8957e31643097081faaa0bab29a4b22e96678f774d57ae2cc88f2c82ea24dabd0f6243ce674728