58941ddaab5ecb07804f5ce07c6b8235e92328c2a8b8b5b2348ec9b0fbb68133

Analysis

max time kernel
141s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
13-04-2023 01:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9656908ef92923f268a56bad8597742e.exe
Size

10.8MB
MD5

9656908ef92923f268a56bad8597742e
SHA1

55c98438a78365e27b67b5dd8f2b750c31cc4b8f
SHA256

58941ddaab5ecb07804f5ce07c6b8235e92328c2a8b8b5b2348ec9b0fbb68133
SHA512

446d969ece471271c5ec0ac962119398c9cf659967a2788a14433953c75e73e7c3f87c87a540c41e63c25957cfec0727582ec86972f0afec0e932867e2d07380
SSDEEP

196608:cYEHliAFTZxEIZOo7fgKotyHQvL7ZYrmh4nxoDjXHpl1RajX0kkD5ZLGmtr:cYEZDEeHbDoowvkmh4xKfajPgZamtr

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__	9656908ef92923f268a56bad8597742e.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	9656908ef92923f268a56bad8597742e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9656908ef92923f268a56bad8597742e.exe

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1532-54-0x000000013F1A0000-0x0000000140677000-memory.dmp	themida
behavioral1/memory/1532-55-0x000000013F1A0000-0x0000000140677000-memory.dmp	themida
behavioral1/memory/1532-57-0x000000013F1A0000-0x0000000140677000-memory.dmp	themida
behavioral1/memory/1532-58-0x000000013F1A0000-0x0000000140677000-memory.dmp	themida
behavioral1/memory/1532-59-0x000000013F1A0000-0x0000000140677000-memory.dmp	themida
behavioral1/memory/1532-60-0x000000013F1A0000-0x0000000140677000-memory.dmp	themida
behavioral1/memory/1532-61-0x000000013F1A0000-0x0000000140677000-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	9656908ef92923f268a56bad8597742e.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1532	9656908ef92923f268a56bad8597742e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1532	9656908ef92923f268a56bad8597742e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
688	1532	WerFault.exe	26

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1532	9656908ef92923f268a56bad8597742e.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 688	1532	9656908ef92923f268a56bad8597742e.exe	28
PID 1532 wrote to memory of 688	1532	9656908ef92923f268a56bad8597742e.exe	28
PID 1532 wrote to memory of 688	1532	9656908ef92923f268a56bad8597742e.exe	28

C:\Users\Admin\AppData\Local\Temp\9656908ef92923f268a56bad8597742e.exe
"C:\Users\Admin\AppData\Local\Temp\9656908ef92923f268a56bad8597742e.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1532 -s 256
  2⤵
  - Program crash
  PID:688

Network

MITRE ATT&CK Enterprise v6

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

Loading Replay Monitor...

Downloads

memory/1532-54-0x000000013F1A0000-0x0000000140677000-memory.dmp

Filesize
20.8MB

Download
memory/1532-55-0x000000013F1A0000-0x0000000140677000-memory.dmp

Filesize
20.8MB

Download
memory/1532-57-0x000000013F1A0000-0x0000000140677000-memory.dmp

Filesize
20.8MB

Download
memory/1532-58-0x000000013F1A0000-0x0000000140677000-memory.dmp

Filesize
20.8MB

Download
memory/1532-59-0x000000013F1A0000-0x0000000140677000-memory.dmp

Filesize
20.8MB

Download
memory/1532-60-0x000000013F1A0000-0x0000000140677000-memory.dmp

Filesize
20.8MB

Download
memory/1532-61-0x000000013F1A0000-0x0000000140677000-memory.dmp

Filesize
20.8MB

Download