c41f4ce82bf89bf2210c0e35fc97bbf87e04f7ba4736ad8a138d64ffa2419493

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 04:17

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General

Target

cli_gui.exe
Size

3.1MB
MD5

958d97f6f303d7590e392ec220d68c71
SHA1

590d31d85b55cd7ea1aff39e0bb87e8e6ce91234
SHA256

a97a34b970e15645f5a33cac0e8f901e08413cc270e1f05803391e76573061b2
SHA512

9a4abb717e028d62bf682183aa7aaf225a2d31edbdac076b961f533d6f309a9d8fff202d9296d1e4dbc1f065baa774c198ef6b14957aa22d75fe16f9f4345766
SSDEEP

98304:7q/lYTQKc1N8TNaO6+Sxguoz+O+cg4k8cB:7q90O1WY3quoar/4JcB

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
4404	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/3292-0-0x00007FF7D8C40000-0x00007FF7D94E7000-memory.dmp	themida
behavioral2/memory/3292-18-0x00007FF7D8C40000-0x00007FF7D94E7000-memory.dmp	themida
behavioral2/memory/3292-24-0x00007FF7D8C40000-0x00007FF7D94E7000-memory.dmp	themida
behavioral2/memory/3292-30-0x00007FF7D8C40000-0x00007FF7D94E7000-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
3292	cli_gui.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4404	powershell.exe
4404	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 516	3292	cli_gui.exe	83
PID 3292 wrote to memory of 516	3292	cli_gui.exe	83
PID 516 wrote to memory of 4404	516	cmd.exe	84
PID 516 wrote to memory of 4404	516	cmd.exe	84
PID 3292 wrote to memory of 2264	3292	cli_gui.exe	85
PID 3292 wrote to memory of 2264	3292	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:3292
- 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:516
- - 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:4404
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:2264

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_bal44wjb.het.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3292-0-0x00007FF7D8C40000-0x00007FF7D94E7000-memory.dmp

Filesize
8.7MB

Download
memory/3292-1-0x00007FF9C1B50000-0x00007FF9C1B52000-memory.dmp

Filesize
8KB

Download
memory/3292-18-0x00007FF7D8C40000-0x00007FF7D94E7000-memory.dmp

Filesize
8.7MB

Download
memory/3292-24-0x00007FF7D8C40000-0x00007FF7D94E7000-memory.dmp

Filesize
8.7MB

Download
memory/3292-30-0x00007FF7D8C40000-0x00007FF7D94E7000-memory.dmp

Filesize
8.7MB

Download
memory/4404-2-0x00007FF9C1AB0000-0x00007FF9C1CA5000-memory.dmp

Filesize
2.0MB

Download
memory/4404-3-0x00007FF9C1AB0000-0x00007FF9C1CA5000-memory.dmp

Filesize
2.0MB

Download
memory/4404-4-0x00007FF9C1AB0000-0x00007FF9C1CA5000-memory.dmp

Filesize
2.0MB

Download
memory/4404-10-0x00000266C3BF0000-0x00000266C3C12000-memory.dmp

Filesize
136KB

Download
memory/4404-17-0x00007FF9C1AB0000-0x00007FF9C1CA5000-memory.dmp

Filesize
2.0MB

Download