b70b9039ec4b33987a991c5c20729eb3310d7406b8d15161037df3b21fd968bb

Target

APP.exe
Size

5.2MB
MD5

a0b4d2c96937104bcffd21ce69885a59
SHA1

6cda6e2bee6d67a5f407e4d7e96af9d76bfa7c79
SHA256

72cb50e5791e1fcb11d24bc4cff3b44379a529c5549fbf6f500adcd67bfe9139
SHA512

17b1b4de1bddb7f357744ace07509481e80eb8a63fa9c39ee00ecd7eba3b03611eb0e2329e88e20b05e8a2655fa67a7b699c8455c1fa9aebeba4384151ae2ee0

Score

9^/10

evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

APP.exe

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

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1356-53-0x0000000000F70000-0x0000000001C4B000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

APP.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA APP.exe

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

C:\Users\Admin\AppData\Local\Temp\APP.exe
"C:\Users\Admin\AppData\Local\Temp\APP.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
PID:1356

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:964

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1728

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/964-55-0x000007FEFC271000-0x000007FEFC273000-memory.dmp

Filesize
8KB

Download
memory/1356-53-0x0000000000F70000-0x0000000001C4B000-memory.dmp

Filesize
12.9MB

Download
memory/1356-54-0x0000000000F71000-0x0000000001057000-memory.dmp

Filesize
920KB

Download

Resubmissions

Analysis

Sharing

General