75a3295f8c688359fcb7555b80e3f71ee42c5ac1d4525a39b2571107acf06a45

Analysis

max time kernel
17s
max time network
23s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 18:33

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General

Target

modest-menu.exe
Size

16.9MB
MD5

ce03d8db32b901caba01fa8b1beefe54
SHA1

76377cea7317bd28af0ccaab276bd49360936a9d
SHA256

a568e2a4d89ab76ab9ff11b30bf320dcc4413353660678c51abc79863ff3c1c4
SHA512

40ef98ee1dd411d3f634f9fe1ccdac0bc8fa5d13b1392ac5d045bf130db6efc5ebae48298d02a732fe634af953af10c004d54c3a4d5862b7f9cd6736f6ddbfca
SSDEEP

393216:YwOMvc42XGU57JO0OTOUbHvnqdLNZHgbATTT9:Yeh2Xb1Ra4LNibATv

Score

9^/10

evasion 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:

modest-menu.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ modest-menu.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	modest-menu.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:

modest-menu.exe

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

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4860-0-0x00007FF712800000-0x00007FF71520F000-memory.dmp	themida
behavioral2/memory/4860-3-0x00007FF712800000-0x00007FF71520F000-memory.dmp	themida
behavioral2/memory/4860-2-0x00007FF712800000-0x00007FF71520F000-memory.dmp	themida
behavioral2/memory/4860-4-0x00007FF712800000-0x00007FF71520F000-memory.dmp	themida
behavioral2/memory/4860-5-0x00007FF712800000-0x00007FF71520F000-memory.dmp	themida
behavioral2/memory/4860-6-0x00007FF712800000-0x00007FF71520F000-memory.dmp	themida
behavioral2/memory/4860-7-0x00007FF712800000-0x00007FF71520F000-memory.dmp	themida
behavioral2/memory/4860-8-0x00007FF712800000-0x00007FF71520F000-memory.dmp	themida
behavioral2/memory/4860-9-0x00007FF712800000-0x00007FF71520F000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

modest-menu.exe

description ioc process

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

Processes:

modest-menu.exe

pid process

4860 modest-menu.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

modest-menu.exe

pid process

4860 modest-menu.exe
4860 modest-menu.exe

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

pid	process
4860	modest-menu.exe

pid	process
4860	modest-menu.exe
4860	modest-menu.exe

C:\Users\Admin\AppData\Local\Temp\modest-menu.exe
"C:\Users\Admin\AppData\Local\Temp\modest-menu.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 behavior: EnumeratesProcesses
PID:4860

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\Desktop\RenameConfirm.vbe"
1⤵
PID:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

memory/4860-0-0x00007FF712800000-0x00007FF71520F000-memory.dmp

Filesize
42.1MB

Download
memory/4860-1-0x00007FFE4E5D0000-0x00007FFE4E5D2000-memory.dmp

Filesize
8KB

Download
memory/4860-3-0x00007FF712800000-0x00007FF71520F000-memory.dmp

Filesize
42.1MB

Download
memory/4860-2-0x00007FF712800000-0x00007FF71520F000-memory.dmp

Filesize
42.1MB

Download
memory/4860-4-0x00007FF712800000-0x00007FF71520F000-memory.dmp

Filesize
42.1MB

Download
memory/4860-5-0x00007FF712800000-0x00007FF71520F000-memory.dmp

Filesize
42.1MB

Download
memory/4860-6-0x00007FF712800000-0x00007FF71520F000-memory.dmp

Filesize
42.1MB

Download
memory/4860-7-0x00007FF712800000-0x00007FF71520F000-memory.dmp

Filesize
42.1MB

Download
memory/4860-8-0x00007FF712800000-0x00007FF71520F000-memory.dmp

Filesize
42.1MB

Download
memory/4860-9-0x00007FF712800000-0x00007FF71520F000-memory.dmp

Filesize
42.1MB

Download