f3d5f74f47f5d48083167e0b918abfd66d9297f548c1a741c7a98eeb78f99f93

Analysis

max time kernel
98s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2022 13:26

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General

Target

Full-Setup-Password-123/Pre-ActivatedSetup.exe
Size

394.6MB
MD5

3f5be2df1e9b82907d2a4c2ef35d4c77
SHA1

f9d19490bdb7aeb386c2668ad0ffa70d6e17c910
SHA256

3765b96b74793a1d255c903ef7a32c1cfadb2a24997aa7b0b896665d1cbf6b7f
SHA512

4ae4ae06a29022f0ce8aef2801cb7488a8ffb55e2f0f59a91ef52320df63eb1fd350da41e6ae3e6e01954072c16aa3cd95526fdd3e017e01d44de32f9b0e228f

Score

9^/10

discovery evasion spyware stealer 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

Processes:

Pre-ActivatedSetup.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Pre-ActivatedSetup.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Pre-ActivatedSetup.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

Processes:

Pre-ActivatedSetup.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Pre-ActivatedSetup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Pre-ActivatedSetup.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Pre-ActivatedSetup.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	Pre-ActivatedSetup.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral4/memory/2484-130-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida
behavioral4/memory/2484-131-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida
behavioral4/memory/2484-132-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida
behavioral4/memory/2484-133-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida
behavioral4/memory/2484-134-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida
behavioral4/memory/2484-135-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida
behavioral4/memory/2484-136-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida
behavioral4/memory/2484-138-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida
behavioral4/memory/2484-139-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida
behavioral4/memory/2484-140-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida
behavioral4/memory/2484-163-0x00000000006A0000-0x0000000000F28000-memory.dmp	themida

Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Pre-ActivatedSetup.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Pre-ActivatedSetup.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Pre-ActivatedSetup.exe

pid process

2484 Pre-ActivatedSetup.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Pre-ActivatedSetup.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Pre-ActivatedSetup.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Pre-ActivatedSetup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Pre-ActivatedSetup.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3796 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2840 taskkill.exe

pid	process
3796	timeout.exe

pid	process
2840	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Pre-ActivatedSetup.exe

pid	process
2484	Pre-ActivatedSetup.exe
2484	Pre-ActivatedSetup.exe
2484	Pre-ActivatedSetup.exe
2484	Pre-ActivatedSetup.exe
2484	Pre-ActivatedSetup.exe
2484	Pre-ActivatedSetup.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2840 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2840	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Pre-ActivatedSetup.execmd.exe

description	pid	process	target process
PID 2484 wrote to memory of 4032	2484	Pre-ActivatedSetup.exe	cmd.exe
PID 2484 wrote to memory of 4032	2484	Pre-ActivatedSetup.exe	cmd.exe
PID 2484 wrote to memory of 4032	2484	Pre-ActivatedSetup.exe	cmd.exe
PID 4032 wrote to memory of 2840	4032	cmd.exe	taskkill.exe
PID 4032 wrote to memory of 2840	4032	cmd.exe	taskkill.exe
PID 4032 wrote to memory of 2840	4032	cmd.exe	taskkill.exe
PID 4032 wrote to memory of 3796	4032	cmd.exe	timeout.exe
PID 4032 wrote to memory of 3796	4032	cmd.exe	timeout.exe
PID 4032 wrote to memory of 3796	4032	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Full-Setup-Password-123\Pre-ActivatedSetup.exe
"C:\Users\Admin\AppData\Local\Temp\Full-Setup-Password-123\Pre-ActivatedSetup.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2484

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im Pre-ActivatedSetup.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Full-Setup-Password-123\Pre-ActivatedSetup.exe" & del C:\ProgramData\*.dll & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4032

C:\Windows\SysWOW64\taskkill.exe
taskkill /im Pre-ActivatedSetup.exe /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2840

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
3⤵
- Delays execution with timeout.exe
PID:3796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2484-138-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-132-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-139-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-140-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-134-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-135-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-137-0x0000000077B60000-0x0000000077D03000-memory.dmp

Filesize
1.6MB

Download
memory/2484-136-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-130-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-131-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-133-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-141-0x0000000077B60000-0x0000000077D03000-memory.dmp

Filesize
1.6MB

Download
memory/2484-142-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2484-163-0x00000000006A0000-0x0000000000F28000-memory.dmp

Filesize
8.5MB

Download
memory/2484-162-0x0000000077B60000-0x0000000077D03000-memory.dmp

Filesize
1.6MB

Download
memory/2840-164-0x0000000000000000-mapping.dmp

Download
memory/3796-165-0x0000000000000000-mapping.dmp

Download
memory/4032-161-0x0000000000000000-mapping.dmp

Download