Analysis
-
max time kernel
131s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
15-05-2023 02:38
Static task
static1
Behavioral task
behavioral1
Sample
40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe
Resource
win7-20230220-en
General
-
Target
40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe
-
Size
3.3MB
-
MD5
20e7298962b08a7caec75a45b67978ce
-
SHA1
c2e44c702d9cc6c4db751230f7f2245986523277
-
SHA256
40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2
-
SHA512
3d341cf9da1922c45379a77126f95e36839aa3018874ce5ece61c1ea217310a0a8f355a935424e8f97ede8181cd493bd8e97c24b90c199fa3d5818f9308ba237
-
SSDEEP
98304:RNk7q2ZGeQj6Aj3zn2UUuNbHlXN2An3P+7Lv2:TXEVa6A/nNtlXNf3P4
Malware Config
Extracted
laplas
http://45.159.189.105
-
api_key
7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e
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__ ntlhost.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.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 40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.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 1376 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 2028 40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2028 40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe 1376 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 1 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2028 wrote to memory of 1376 2028 40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe 28 PID 2028 wrote to memory of 1376 2028 40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe 28 PID 2028 wrote to memory of 1376 2028 40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.exe"C:\Users\Admin\AppData\Local\Temp\40c57e10a331694ef881d692c16e8add421f56e9c49fbd2ba2b7519d6389f2a2.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:2028 -
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:1376
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
800.3MB
MD5541f1de54834f1abd4b2cdb2ee1e6a00
SHA1b204d8dee1566b27e0759f9a8f28c9c4b090eb82
SHA2563609b1c49ee28331d814aed5762e0c5d507da49659049ffc8d99a70edc699815
SHA5123d44a7c49ee59f143aaee355d4a27c37f3d60c02e7ff91d621c6f032e12749b1fcddfb4496ffd8471edc83238985bf7ceda009a4858658e6ee5a0e7ad6767a28
-
Filesize
800.3MB
MD5541f1de54834f1abd4b2cdb2ee1e6a00
SHA1b204d8dee1566b27e0759f9a8f28c9c4b090eb82
SHA2563609b1c49ee28331d814aed5762e0c5d507da49659049ffc8d99a70edc699815
SHA5123d44a7c49ee59f143aaee355d4a27c37f3d60c02e7ff91d621c6f032e12749b1fcddfb4496ffd8471edc83238985bf7ceda009a4858658e6ee5a0e7ad6767a28