Analysis
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max time kernel
290s -
max time network
256s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-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\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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe -
Executes dropped EXE 1 IoCs
pid Process 1052 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2393848421-2120571652-2495149697-1000\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 2684 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe 1052 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 2 IoCs
description pid Process procid_target PID 2684 wrote to memory of 1052 2684 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe 70 PID 2684 wrote to memory of 1052 2684 b6e2f26fea81267dc7b39b4f919083c8c8be5ff233a5c3acca6e1339d5bb21e2.exe 70
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
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2684 -
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:1052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
798.1MB
MD5b3deb9b04ab98fd660748cb0eaccd5cc
SHA1cf89e1affb2361a792a56cddeabb4a96af3f5a78
SHA2562b94cc7c63d0bc8f424f6e13addb0a4af2a178ec2b9daa29ad848ae21213a068
SHA512cfb842e12e3d76fa841c62e3ee590969c436d256a9ff97e2066eea117e2a78a100d673391eeaaaebe7b9edf1c2ce373c7ad8dd22115a529525ad9b2fdbf386ed
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Filesize
798.1MB
MD5b3deb9b04ab98fd660748cb0eaccd5cc
SHA1cf89e1affb2361a792a56cddeabb4a96af3f5a78
SHA2562b94cc7c63d0bc8f424f6e13addb0a4af2a178ec2b9daa29ad848ae21213a068
SHA512cfb842e12e3d76fa841c62e3ee590969c436d256a9ff97e2066eea117e2a78a100d673391eeaaaebe7b9edf1c2ce373c7ad8dd22115a529525ad9b2fdbf386ed