f722089922bfc6069074577aed850690ab2d39e04b9a179518902b62fe399f25

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
27-11-2023 01:40

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General

Target

4337b57adbb1a7ed8934fb5a5441bc55.exe
Size

3.8MB
MD5

4337b57adbb1a7ed8934fb5a5441bc55
SHA1

3eaa56a0f1330455d8149b433d821d6569e2d46b
SHA256

f722089922bfc6069074577aed850690ab2d39e04b9a179518902b62fe399f25
SHA512

ff9b78afd83a51171e6f01ff204d17b7d15d00cba4627d26db5ea1c0905838f054862535935a4f3872f88905e342a2712d1f9f87e3006f6ef36f6cd9b23b3b83
SSDEEP

98304:bSTscyEAyNROXdbGjDslKe39zXYE6suhzOx0pZ2qgG:bEA4ROcDte39zIE6xhzn/

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4337b57adbb1a7ed8934fb5a5441bc55.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4337b57adbb1a7ed8934fb5a5441bc55.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4337b57adbb1a7ed8934fb5a5441bc55.exe

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2944-0-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida
behavioral1/memory/2944-2-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida
behavioral1/memory/2944-3-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida
behavioral1/memory/2944-4-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida
behavioral1/memory/2944-5-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida
behavioral1/memory/2944-6-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida
behavioral1/memory/2944-7-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida
behavioral1/memory/2944-8-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida
behavioral1/memory/2944-9-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida
behavioral1/memory/2944-10-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida
behavioral1/memory/2944-16-0x000000013FF90000-0x00000001409C4000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4337b57adbb1a7ed8934fb5a5441bc55.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2944	4337b57adbb1a7ed8934fb5a5441bc55.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2944	4337b57adbb1a7ed8934fb5a5441bc55.exe

C:\Users\Admin\AppData\Local\Temp\4337b57adbb1a7ed8934fb5a5441bc55.exe
"C:\Users\Admin\AppData\Local\Temp\4337b57adbb1a7ed8934fb5a5441bc55.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:2944

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/2944-0-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download
memory/2944-1-0x0000000077430000-0x00000000775D9000-memory.dmp

Filesize
1.7MB

Download
memory/2944-2-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download
memory/2944-3-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download
memory/2944-4-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download
memory/2944-5-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download
memory/2944-6-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download
memory/2944-7-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download
memory/2944-8-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download
memory/2944-9-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download
memory/2944-10-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download
memory/2944-12-0x0000000077430000-0x00000000775D9000-memory.dmp

Filesize
1.7MB

Download
memory/2944-16-0x000000013FF90000-0x00000001409C4000-memory.dmp

Filesize
10.2MB

Download