609f4bb6eccf5d6c2f4bdb753d9b5d01a39b930b852231b634023a58bb3d2c7f

Analysis

max time kernel
141s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 07:22

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General

Target

cli_gui.exe
Size

2.9MB
MD5

8f21c4390128917bf5af5c2ee3fbc592
SHA1

733cc166b3161772755edf69314003a4a5e87953
SHA256

78b628830cd84013ba1bdab6c5f4a1529f828119157a77d212d86e82f35a817b
SHA512

c5116b27a4f722168c934319cd804a0390490be8341f27d39337877ce1c14e72c3dcdf725b982961c14de0a3da96362f2a9d4f4c486b7658c87c4801155cb015
SSDEEP

49152:uMIG/+UMupsmDgHBXJOUQPlYpKmV9NGP7nvvUp6bSi3s4WYi2A0sOPxDcPC7i:dL/XkDuaKqPKnUSlbUSiPEi

Score

9^/10

evasion execution themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	cli_gui.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3848	powershell.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	cli_gui.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cli_gui.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/4568-0-0x00007FF7FBBE0000-0x00007FF7FC419000-memory.dmp	themida
behavioral2/memory/4568-18-0x00007FF7FBBE0000-0x00007FF7FC419000-memory.dmp	themida
behavioral2/memory/4568-24-0x00007FF7FBBE0000-0x00007FF7FC419000-memory.dmp	themida
behavioral2/memory/4568-30-0x00007FF7FBBE0000-0x00007FF7FC419000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	cli_gui.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4568	cli_gui.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3848	powershell.exe
3848	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3848	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 3736	4568	cli_gui.exe	83
PID 4568 wrote to memory of 3736	4568	cli_gui.exe	83
PID 3736 wrote to memory of 3848	3736	cmd.exe	84
PID 3736 wrote to memory of 3848	3736	cmd.exe	84
PID 4568 wrote to memory of 3524	4568	cli_gui.exe	85
PID 4568 wrote to memory of 3524	4568	cli_gui.exe	85

C:\Users\Admin\AppData\Local\Temp\cli_gui.exe
"C:\Users\Admin\AppData\Local\Temp\cli_gui.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c powershell -Command "Add-MpPreference -ExclusionPath 'C:\windows\system32'" > NUL 2>&1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3736
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "Add-MpPreference -ExclusionPath 'C:\windows\system32'"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3848
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:3524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qmiq3je0.qy2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3848-4-0x00007FFD22050000-0x00007FFD22245000-memory.dmp

Filesize
2.0MB

Download
memory/3848-3-0x00007FFD22050000-0x00007FFD22245000-memory.dmp

Filesize
2.0MB

Download
memory/3848-2-0x00007FFD22050000-0x00007FFD22245000-memory.dmp

Filesize
2.0MB

Download
memory/3848-5-0x0000024148550000-0x0000024148572000-memory.dmp

Filesize
136KB

Download
memory/3848-17-0x00007FFD22050000-0x00007FFD22245000-memory.dmp

Filesize
2.0MB

Download
memory/4568-0-0x00007FF7FBBE0000-0x00007FF7FC419000-memory.dmp

Filesize
8.2MB

Download
memory/4568-1-0x00007FFD220F0000-0x00007FFD220F2000-memory.dmp

Filesize
8KB

Download
memory/4568-18-0x00007FF7FBBE0000-0x00007FF7FC419000-memory.dmp

Filesize
8.2MB

Download
memory/4568-24-0x00007FF7FBBE0000-0x00007FF7FC419000-memory.dmp

Filesize
8.2MB

Download
memory/4568-30-0x00007FF7FBBE0000-0x00007FF7FC419000-memory.dmp

Filesize
8.2MB

Download