83045343ee550f125be0c7125a2385dd0a4a3f8f3d7059f4db0f2f7a07a334b0

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 18:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

modest-menu_protected.exe
Size

13.7MB
MD5

a332fdb58a35c95a1998f281206db1cd
SHA1

e4af18424b1cf6ddb7053653660c22dfd6af9567
SHA256

83045343ee550f125be0c7125a2385dd0a4a3f8f3d7059f4db0f2f7a07a334b0
SHA512

f2d9a4fdad857e8100e839e3a7f76ce05aabfb4e8e2258ff170d00c2fd179ac703a00b6bd9ae162db7ef8db1a398a57f71de7e8350b775e234f34856178eb3c8
SSDEEP

196608:4RkKDeP+YxurapMz+x/EfmyVsBKirJ7riHaborEDA0/NQpLKzzbd200BdkOT73UV:4Rm+4w+mLVG1riHI3/n7d2RfBLVqw6

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_protected.exe

description ioc process

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

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	modest-menu_protected.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_protected.exe

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

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2172-0-0x000000013FD40000-0x0000000141F5E000-memory.dmp	themida
behavioral1/memory/2172-2-0x000000013FD40000-0x0000000141F5E000-memory.dmp	themida
behavioral1/memory/2172-3-0x000000013FD40000-0x0000000141F5E000-memory.dmp	themida
behavioral1/memory/2172-4-0x000000013FD40000-0x0000000141F5E000-memory.dmp	themida
behavioral1/memory/2172-5-0x000000013FD40000-0x0000000141F5E000-memory.dmp	themida
behavioral1/memory/2172-8-0x000000013FD40000-0x0000000141F5E000-memory.dmp	themida
behavioral1/memory/2172-7-0x000000013FD40000-0x0000000141F5E000-memory.dmp	themida
behavioral1/memory/2172-6-0x000000013FD40000-0x0000000141F5E000-memory.dmp	themida
behavioral1/memory/2172-10-0x000000013FD40000-0x0000000141F5E000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

modest-menu_protected.exe

description ioc process

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

Processes:

modest-menu_protected.exe

pid process

2172 modest-menu_protected.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

modest-menu_protected.exe

pid process

2172 modest-menu_protected.exe

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

pid	process
2172	modest-menu_protected.exe

pid	process
2172	modest-menu_protected.exe

C:\Users\Admin\AppData\Local\Temp\modest-menu_protected.exe
"C:\Users\Admin\AppData\Local\Temp\modest-menu_protected.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:2172

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2772

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2172-1-0x0000000077B30000-0x0000000077B32000-memory.dmp

Filesize
8KB

Download
memory/2172-0-0x000000013FD40000-0x0000000141F5E000-memory.dmp

Filesize
34.1MB

Download
memory/2172-2-0x000000013FD40000-0x0000000141F5E000-memory.dmp

Filesize
34.1MB

Download
memory/2172-3-0x000000013FD40000-0x0000000141F5E000-memory.dmp

Filesize
34.1MB

Download
memory/2172-4-0x000000013FD40000-0x0000000141F5E000-memory.dmp

Filesize
34.1MB

Download
memory/2172-5-0x000000013FD40000-0x0000000141F5E000-memory.dmp

Filesize
34.1MB

Download
memory/2172-8-0x000000013FD40000-0x0000000141F5E000-memory.dmp

Filesize
34.1MB

Download
memory/2172-7-0x000000013FD40000-0x0000000141F5E000-memory.dmp

Filesize
34.1MB

Download
memory/2172-6-0x000000013FD40000-0x0000000141F5E000-memory.dmp

Filesize
34.1MB

Download
memory/2172-10-0x000000013FD40000-0x0000000141F5E000-memory.dmp

Filesize
34.1MB

Download