Malware Analysis Report

2025-04-03 08:54

Sample ID 230127-rmtywsbe88
Target install_win64.zip
SHA256 d13ec3096398daa37bbc870ab323733353f3da106fdc56acef3802f597db9794
Tags
themida aurora evasion spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d13ec3096398daa37bbc870ab323733353f3da106fdc56acef3802f597db9794

Threat Level: Known bad

The file install_win64.zip was found to be: Known bad.

Malicious Activity Summary

themida aurora evasion spyware stealer trojan

Aurora

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Executes dropped EXE

Checks BIOS information in registry

Reads user/profile data of web browsers

Themida packer

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-01-27 14:19

Signatures

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-27 14:19

Reported

2023-01-27 14:22

Platform

win10-20220901-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\install_win64.exe"

Signatures

Aurora

stealer aurora

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\install_win64.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\OaiD1tJhe7.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\install_win64.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\install_win64.exe N/A

Reads user/profile data of web browsers

spyware stealer

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\install_win64.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: 36 N/A C:\Windows\SysWOW64\Wbem\wmic.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: 36 N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\Wbem\WMIC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1448 wrote to memory of 4228 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1448 wrote to memory of 4228 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1448 wrote to memory of 4228 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\Wbem\wmic.exe
PID 1448 wrote to memory of 4328 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\cmd.exe
PID 1448 wrote to memory of 4328 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\cmd.exe
PID 1448 wrote to memory of 4328 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\cmd.exe
PID 4328 wrote to memory of 1704 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 4328 wrote to memory of 1704 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 4328 wrote to memory of 1704 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 1448 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\cmd.exe
PID 1448 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\cmd.exe
PID 1448 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\cmd.exe
PID 3056 wrote to memory of 4624 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 3056 wrote to memory of 4624 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 3056 wrote to memory of 4624 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\Wbem\WMIC.exe
PID 1448 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1448 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1448 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\install_win64.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2216 wrote to memory of 636 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\OaiD1tJhe7.exe
PID 2216 wrote to memory of 636 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\OaiD1tJhe7.exe
PID 2216 wrote to memory of 636 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\OaiD1tJhe7.exe

Processes

C:\Users\Admin\AppData\Local\Temp\install_win64.exe

"C:\Users\Admin\AppData\Local\Temp\install_win64.exe"

C:\Windows\SysWOW64\Wbem\wmic.exe

wmic os get Caption

C:\Windows\SysWOW64\cmd.exe

cmd /C "wmic path win32_VideoController get name"

C:\Windows\SysWOW64\Wbem\WMIC.exe

wmic path win32_VideoController get name

C:\Windows\SysWOW64\cmd.exe

cmd /C "wmic cpu get name"

C:\Windows\SysWOW64\Wbem\WMIC.exe

wmic cpu get name

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

powershell "" "start-process C:\Users\Admin\AppData\Local\Temp\OaiD1tJhe7.exe"

C:\Users\Admin\AppData\Local\Temp\OaiD1tJhe7.exe

"C:\Users\Admin\AppData\Local\Temp\OaiD1tJhe7.exe"

Network

Country Destination Domain Proto
N/A 45.15.156.210:8081 tcp
N/A 8.8.8.8:53 cdn.discordapp.com udp
N/A 162.159.130.233:443 cdn.discordapp.com tcp
N/A 13.89.179.9:443 tcp
N/A 93.184.221.240:80 tcp

Files

memory/1448-120-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-122-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-121-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-123-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-124-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-125-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-126-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-128-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-127-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-129-0x0000000000BE0000-0x0000000001551000-memory.dmp

memory/1448-130-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-131-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-132-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-133-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-134-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-135-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-136-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-137-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-139-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-138-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-140-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-141-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-142-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-143-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-144-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-146-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-145-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-147-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-148-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-149-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-150-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-151-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-152-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-153-0x0000000000BE0000-0x0000000001551000-memory.dmp

memory/1448-154-0x0000000000BE0000-0x0000000001551000-memory.dmp

memory/1448-155-0x0000000000BE0000-0x0000000001551000-memory.dmp

memory/1448-156-0x0000000000BE0000-0x0000000001551000-memory.dmp

memory/1448-157-0x0000000000BE0000-0x0000000001551000-memory.dmp

memory/1448-158-0x0000000000BE0000-0x0000000001551000-memory.dmp

memory/1448-159-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-160-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-161-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-162-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-163-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-165-0x0000000000000000-mapping.dmp

memory/4228-169-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-170-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-171-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-168-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-175-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-177-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-179-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-180-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-181-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-183-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-182-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-184-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-185-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-178-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-176-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-174-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-173-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-172-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-167-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4228-166-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/1448-164-0x0000000077D10000-0x0000000077E9E000-memory.dmp

memory/4328-232-0x0000000000000000-mapping.dmp

memory/1704-238-0x0000000000000000-mapping.dmp

memory/1448-288-0x0000000000BE0000-0x0000000001551000-memory.dmp

memory/3056-306-0x0000000000000000-mapping.dmp

memory/4624-312-0x0000000000000000-mapping.dmp

memory/2216-391-0x0000000000000000-mapping.dmp

memory/2216-427-0x0000000004440000-0x0000000004476000-memory.dmp

memory/2216-432-0x0000000006F10000-0x0000000007538000-memory.dmp

memory/2216-447-0x0000000006DB0000-0x0000000006DD2000-memory.dmp

memory/2216-452-0x00000000075B0000-0x0000000007616000-memory.dmp

memory/2216-453-0x0000000007690000-0x00000000076F6000-memory.dmp

memory/2216-454-0x0000000007930000-0x0000000007C80000-memory.dmp

memory/2216-457-0x0000000007670000-0x000000000768C000-memory.dmp

memory/2216-458-0x0000000007700000-0x000000000774B000-memory.dmp

memory/2216-462-0x0000000007FC0000-0x0000000008036000-memory.dmp

memory/2216-474-0x0000000008D60000-0x0000000008D7A000-memory.dmp

memory/2216-473-0x0000000009050000-0x00000000090E4000-memory.dmp

memory/2216-475-0x0000000008FE0000-0x0000000009002000-memory.dmp

memory/2216-476-0x00000000095F0000-0x0000000009AEE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\OaiD1tJhe7.exe

MD5 fd3921d7f42c4a42115ce88d1c9fe031
SHA1 30d5b2cd633667a340047e1ff1ce44628555eba0
SHA256 0ea7ac01f7c8cb0ad3574688fd83265cceb7c3c16f89f29799b8be1b3a314a6a
SHA512 8216ba2c9da3e6021f8f90c824a9da14632069477e508117948d841fd7dcc7fe28e1fb3d9cae854afe32db3ed46c6ba9cc49b3840ec875f66f3fa252ae11fb70

C:\Users\Admin\AppData\Local\Temp\OaiD1tJhe7.exe

MD5 fd3921d7f42c4a42115ce88d1c9fe031
SHA1 30d5b2cd633667a340047e1ff1ce44628555eba0
SHA256 0ea7ac01f7c8cb0ad3574688fd83265cceb7c3c16f89f29799b8be1b3a314a6a
SHA512 8216ba2c9da3e6021f8f90c824a9da14632069477e508117948d841fd7dcc7fe28e1fb3d9cae854afe32db3ed46c6ba9cc49b3840ec875f66f3fa252ae11fb70

memory/636-490-0x0000000000000000-mapping.dmp