Analysis
-
max time kernel
113s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2022, 00:39
Static task
static1
Behavioral task
behavioral1
Sample
224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe
Resource
win10v2004-20220812-en
General
-
Target
224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe
-
Size
634KB
-
MD5
2d2481ee1f271adc201b8f1cc9878ec3
-
SHA1
2424e06c2b4de0ed1fcc4a62960002f28b7aa6b9
-
SHA256
224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238
-
SHA512
57e7acdae5b5170ac875367dd29bf16e78cc48213543098e33e50f198df56b868e8ed30e184f3fa7fdade41891fdf8b51727eeea64f1f0e7969f0687b0af06fa
-
SSDEEP
12288:m1kJ4FdktcZ9vj7TMD970Lrq9fodMBv78hI2+aGMScEzsGnF:TJ4LvHbu7v9giv7vfaGDccsu
Malware Config
Signatures
-
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe File opened for modification C:\Windows\assembly\Desktop.ini 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 28 checkip.dyndns.org -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe File opened for modification C:\Windows\assembly 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe File created C:\Windows\assembly\Desktop.ini 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe Token: SeRestorePrivilege 4768 dw20.exe Token: SeBackupPrivilege 4768 dw20.exe Token: SeBackupPrivilege 4768 dw20.exe Token: SeBackupPrivilege 4768 dw20.exe Token: SeBackupPrivilege 4768 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4916 wrote to memory of 4768 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 89 PID 4916 wrote to memory of 4768 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 89 PID 4916 wrote to memory of 4768 4916 224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe"C:\Users\Admin\AppData\Local\Temp\224a7ec8fb70ef9e071d5062a93cbf83b1b7594957d885e74da4f7ff58a21238.exe"1⤵
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4916 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 17122⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4768
-