Analysis
-
max time kernel
299s -
max time network
294s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
27-05-2023 22:21
Static task
static1
Behavioral task
behavioral1
Sample
b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.exe
Resource
win7-20230220-en
General
-
Target
b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.exe
-
Size
4.7MB
-
MD5
4eee6a99eb6e64650469196952f9f9fb
-
SHA1
f526aa5b0e48790473f9da6e4dbdfe874158b149
-
SHA256
b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116
-
SHA512
31c5250dbb80588121b6d01c6344e94a2f7fb06501d00af7c339a4c5694dd850779de453e8f05279c933e4d375bbf508714730bc339622ef094a2b5d9edc929d
-
SSDEEP
98304:JPoB48l+avKBBXXO9G4/YZHEIkfhsg11omqL2b8UnuaAkLcWO2yb7Mw5R:JQZl+aC3XX54/+Heig11IBAZAkBO2O7M
Malware Config
Extracted
laplas
http://45.159.189.105
-
api_key
f52a5c9bc5eb2f51b22f04f3e85c301ac0170a650de6044773f0a8309fbdfb79
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.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 b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.exe -
Executes dropped EXE 1 IoCs
pid Process 3924 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3732 b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.exe 3924 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 2 IoCs
description pid Process procid_target PID 3732 wrote to memory of 3924 3732 b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.exe 66 PID 3732 wrote to memory of 3924 3732 b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.exe 66
Processes
-
C:\Users\Admin\AppData\Local\Temp\b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.exe"C:\Users\Admin\AppData\Local\Temp\b17670d28e2cc95784b4bb1ad7a8b3eae5e69b27896f7b755f8e7550f767e116.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:3732 -
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:3924
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
817.7MB
MD5b0e903db4bb577d31c2ffaed2b9a8bb5
SHA16fa6724fcf5980c2718ced02b349ec4498a02977
SHA256258b04aeb0ee34337d4c74dfeef9a1b5137ab56460df26909aa8f629af8003de
SHA5124740adce93cd559d240b7957af0fd1a5826096963949fe9e5b3b8c9380272d4c096b8f918581bf30646045a1c565cef69bbdd90adc9f03301090cd61178d2b8c
-
Filesize
821.6MB
MD5575a2f39b73529ca8b0bf517df006f28
SHA136d5ec568db6a508c104778b63e3536b824fe6ca
SHA256e16b94ef704a75c6cfb89122713cce0650e148f0be078c2a0d2ac601ea7af085
SHA51276637c2ef74a198a39f3941c5b5bc7d71336f2942382d86f5998df2101dd8e76383ae8f0f4b46fe35da7d260b13f7e3c3aad6ba50b88d3d69292265b80529340