7063be36bb3a4a97742cdf3ddb85a25285b50bfadae5111e5b48ddd18d583e78

Analysis

max time kernel
29s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
29-03-2023 00:14

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General

Target

2ud.exe
Size

4.2MB
MD5

f2d96a7c78bacbdeb6a64f4b61a9eb80
SHA1

019d4951a57bc0bd6957c5aec24809b5449b8f45
SHA256

7063be36bb3a4a97742cdf3ddb85a25285b50bfadae5111e5b48ddd18d583e78
SHA512

0932e638fc72af2ecd948305bcf3f29d25677de84bc001b6a62d4339640f111dc988f9e41a7c819906d027e7c5549165b5b123b84945bfd67918e9bbaa7a1eed
SSDEEP

98304:ZNVpIBX3kf5xfyCgwbdHiVoZXSBjyVEnk/YRow0EcgUn5OxEiXHAa:LV+Z0fLyxwbdVZujGEnUYT7cgK4WiXHv

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:

2ud.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 2ud.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2ud.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:

2ud.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2ud.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2ud.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1960-54-0x000000013F3D0000-0x000000013FE57000-memory.dmp	themida
behavioral1/memory/1960-55-0x000000013F3D0000-0x000000013FE57000-memory.dmp	themida
behavioral1/memory/1960-57-0x000000013F3D0000-0x000000013FE57000-memory.dmp	themida
behavioral1/memory/1960-58-0x000000013F3D0000-0x000000013FE57000-memory.dmp	themida
behavioral1/memory/1960-59-0x000000013F3D0000-0x000000013FE57000-memory.dmp	themida
behavioral1/memory/1960-60-0x000000013F3D0000-0x000000013FE57000-memory.dmp	themida
behavioral1/memory/1960-61-0x000000013F3D0000-0x000000013FE57000-memory.dmp	themida
behavioral1/memory/1960-62-0x000000013F3D0000-0x000000013FE57000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

2ud.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2ud.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

2ud.exe

pid process

1960 2ud.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2ud.exe

pid	process
1960	2ud.exe

C:\Users\Admin\AppData\Local\Temp\2ud.exe
"C:\Users\Admin\AppData\Local\Temp\2ud.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
PID:1960

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/1960-54-0x000000013F3D0000-0x000000013FE57000-memory.dmp

Filesize
10.5MB

Download
memory/1960-55-0x000000013F3D0000-0x000000013FE57000-memory.dmp

Filesize
10.5MB

Download
memory/1960-57-0x000000013F3D0000-0x000000013FE57000-memory.dmp

Filesize
10.5MB

Download
memory/1960-58-0x000000013F3D0000-0x000000013FE57000-memory.dmp

Filesize
10.5MB

Download
memory/1960-59-0x000000013F3D0000-0x000000013FE57000-memory.dmp

Filesize
10.5MB

Download
memory/1960-60-0x000000013F3D0000-0x000000013FE57000-memory.dmp

Filesize
10.5MB

Download
memory/1960-61-0x000000013F3D0000-0x000000013FE57000-memory.dmp

Filesize
10.5MB

Download
memory/1960-62-0x000000013F3D0000-0x000000013FE57000-memory.dmp

Filesize
10.5MB

Download