f2fa9c083abe324d132d6e687caf1b7f5825e9a12dc6e2dd9ff40cf3aebafb03

Resubmissions

03/07/2023, 16:37

230703-t42feahb49 10

Analysis

max time kernel
39s
max time network
23s
platform
windows10-1703_x64
resource
win10-20230703-en
resource tags

arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
submitted
03/07/2023, 16:37

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General

Target

Midnight.exe
Size

8.1MB
MD5

6f11c5992143140763a08fefa9d84f21
SHA1

713974e0aa9a2f75033de31347ac4197cede11c6
SHA256

f2fa9c083abe324d132d6e687caf1b7f5825e9a12dc6e2dd9ff40cf3aebafb03
SHA512

9929f0aff403a317f8946285aef94b42fab6451f39dd206017977b7770c7eaab6672cc351fe164057a66c228e972fbca6766b820c9210c7777a6da5ac1bf29c0
SSDEEP

196608:VQZxXEzlHtUwN2mRpnJWjLHXenG2KWpHFNRAnBdC:+XKlCNmvg3engKHCvC

Score

10^/10

evasion themida trojan

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4524 created 3204	4524	Update.exe	29

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

Executes dropped EXE 2 IoCs

pid	Process
4524	Update.exe
3584	Launcher.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/files/0x000900000001af4e-124.dat	themida
behavioral1/memory/4524-125-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp	themida
behavioral1/memory/4524-126-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp	themida
behavioral1/memory/4524-128-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp	themida
behavioral1/memory/4524-129-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp	themida
behavioral1/memory/4524-130-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp	themida
behavioral1/memory/4524-131-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp	themida
behavioral1/memory/4524-132-0x00007FF64A9F0000-0x00007FF64B5F5000-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	Update.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4524	Update.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4524	Update.exe
4524	Update.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 4524	1804	Midnight.exe	70
PID 1804 wrote to memory of 4524	1804	Midnight.exe	70
PID 1804 wrote to memory of 3584	1804	Midnight.exe	71
PID 1804 wrote to memory of 3584	1804	Midnight.exe	71
PID 1804 wrote to memory of 3584	1804	Midnight.exe	71

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3204
- C:\Users\Admin\AppData\Local\Temp\Midnight.exe
  "C:\Users\Admin\AppData\Local\Temp\Midnight.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Users\Admin\AppData\Roaming\Update.exe
    C:\Users\Admin\AppData\Roaming\Update.exe
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    PID:4524
- - C:\Users\Admin\AppData\Roaming\Launcher.exe
    C:\Users\Admin\AppData\Roaming\Launcher.exe
    3⤵
    - Executes dropped EXE
    PID:3584
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
  2⤵
  PID:3972

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

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Downloads

C:\Users\Admin\AppData\Roaming\Launcher.exe

Filesize
7.8MB

MD5
af1416415d2f697786e4949f769078d0

SHA1
94db52ed6eae961b9bbfb7631b012ab74795e625

SHA256
37a40c467491c0fc49d17bf68125e94f7f4eb3a9f5210748be26a2cd7db54c38

SHA512
68bd98bd7974115cd64f3ca7f6829730beadf759998a154ee18028176fc72f8f7f3eb8c1caf1d9d05d16a8588a6d04fdfe66031421323be4eef362b47ee49a6b

Download Submit
C:\Users\Admin\AppData\Roaming\Update.exe

Filesize
201.6MB

MD5
18cc68c9b3489591eb172c5dd0c9cdf8

SHA1
ef3a54eeb9e2995267653a48f593ea0b39d9c321

SHA256
73b8e5f0223f9227bd9bb78b8c3215f4b90fd2b07940119db8bff7c86d5ae53e

SHA512
7694a1c02e2583bcceab3d8fd81afa5cdf9620ea018e36695216c7dd1976b33001dbb2efa6907f759943a5dcfd8f79c947544f0708655beca0d4f2876e042298

Download Submit
memory/4524-125-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp

Filesize
12.0MB

Download
memory/4524-126-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp

Filesize
12.0MB

Download
memory/4524-128-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp

Filesize
12.0MB

Download
memory/4524-129-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp

Filesize
12.0MB

Download
memory/4524-130-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp

Filesize
12.0MB

Download
memory/4524-131-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp

Filesize
12.0MB

Download
memory/4524-132-0x00007FF64A9F0000-0x00007FF64B5F5000-memory.dmp

Filesize
12.0MB

Download