73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2

General

Target

73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe
Size

3.8MB
MD5

57b8ed83826856318137c44fb1240528
SHA1

679ac8ba7651908d6b9abd37624829d264d63d3d
SHA256

73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2
SHA512

397bb732162bb65d0c8b6ae267389eb7df4ba8bacedc84eebf709413f43e117aeccd10095152848502248953b86b244ed12ba5a7ccda3e3a41c002e5656c8f77
SSDEEP

98304:DPlBE1PNDpE44FcH8RNy2lqBehp4t/d6ZCRMi3ivzz:ZqP/yFcH8Ro2W6KVfyvzz

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:

73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.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:

73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1424-2-0x0000000000EA0000-0x00000000017D7000-memory.dmp	themida
behavioral1/memory/1424-1-0x0000000000EA0000-0x00000000017D7000-memory.dmp	themida
behavioral1/memory/1424-4-0x0000000000EA0000-0x00000000017D7000-memory.dmp	themida
behavioral1/memory/1424-3-0x0000000000EA0000-0x00000000017D7000-memory.dmp	themida
behavioral1/memory/1424-7-0x0000000000EA0000-0x00000000017D7000-memory.dmp	themida
behavioral1/memory/1424-8-0x0000000000EA0000-0x00000000017D7000-memory.dmp	themida
behavioral1/memory/1424-6-0x0000000000EA0000-0x00000000017D7000-memory.dmp	themida
behavioral1/memory/1424-5-0x0000000000EA0000-0x00000000017D7000-memory.dmp	themida
behavioral1/memory/1424-10-0x0000000000EA0000-0x00000000017D7000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

pid process

1424 73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2976 1424 WerFault.exe 73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

pid process

1424 73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

pid	process
1424	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

pid	pid_target	process	target process
2976	1424	WerFault.exe	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

pid	process
1424	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe

description	pid	process	target process
PID 1424 wrote to memory of 2976	1424	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe	WerFault.exe
PID 1424 wrote to memory of 2976	1424	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe	WerFault.exe
PID 1424 wrote to memory of 2976	1424	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe	WerFault.exe
PID 1424 wrote to memory of 2976	1424	73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.exe
"C:\Users\Admin\AppData\Local\Temp\73af0b9b7f307488445db0ec14597fbe91467c1fdd973a39c59c1e2bc7809de2.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
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 252
  2⤵
  - Program crash
  PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1424-0-0x0000000077DE0000-0x0000000077DE2000-memory.dmp

Filesize
8KB

Download
memory/1424-2-0x0000000000EA0000-0x00000000017D7000-memory.dmp

Filesize
9.2MB

Download
memory/1424-1-0x0000000000EA0000-0x00000000017D7000-memory.dmp

Filesize
9.2MB

Download
memory/1424-4-0x0000000000EA0000-0x00000000017D7000-memory.dmp

Filesize
9.2MB

Download
memory/1424-3-0x0000000000EA0000-0x00000000017D7000-memory.dmp

Filesize
9.2MB

Download
memory/1424-7-0x0000000000EA0000-0x00000000017D7000-memory.dmp

Filesize
9.2MB

Download
memory/1424-8-0x0000000000EA0000-0x00000000017D7000-memory.dmp

Filesize
9.2MB

Download
memory/1424-9-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/1424-6-0x0000000000EA0000-0x00000000017D7000-memory.dmp

Filesize
9.2MB

Download
memory/1424-5-0x0000000000EA0000-0x00000000017D7000-memory.dmp

Filesize
9.2MB

Download
memory/1424-10-0x0000000000EA0000-0x00000000017D7000-memory.dmp

Filesize
9.2MB

Download
memory/1424-12-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads