45b98eb93ac47dc935eef58720a7b84e952eda334b4f24315282d938bbaf49c1

Analysis

max time kernel
291s
max time network
134s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01-08-2024 07:59

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General

Target

Dark Star Netflix Checker By Scorpio\Netflix Checker By Scorpio.exe
Size

408KB
MD5

0db447aeb70b31d758bbf420a70cfc09
SHA1

599997e1ddc208cf8b566601d13d2dc03a641661
SHA256

44612ea7656b2170978ab78ccf2cd3440bdd3164e4ccbc6be34eaf9b7b6036ba
SHA512

aa09275fbe90a15e31ba75f6e8729dda411a0efa0dafc927a12c088f4d085e4196ecf73dade2b349efa8f34b3fd1afb7aebb4c874216fc50c81ba9577c66a21d
SSDEEP

6144:CNUjZUwpfFnp0Ak27gU6bF8VWOAOapvlq/aKFh:C2FHRFnphE78EOMRiaEh

Score

9^/10

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

Executes dropped EXE 2 IoCs

pid	Process
1692	UserOOOBE.exe
2372	winsrvhost.exe

Loads dropped DLL 4 IoCs

pid	Process
2924	Netflix Checker By Scorpio.exe
2924	Netflix Checker By Scorpio.exe
2924	Netflix Checker By Scorpio.exe
2924	Netflix Checker By Scorpio.exe

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral27/files/0x000400000001dab2-12.dat	themida
behavioral27/memory/2372-27-0x0000000000080000-0x00000000004DB000-memory.dmp	themida
behavioral27/memory/2372-24-0x0000000000080000-0x00000000004DB000-memory.dmp	themida
behavioral27/memory/2372-23-0x0000000000080000-0x00000000004DB000-memory.dmp	themida
behavioral27/memory/2372-22-0x0000000000080000-0x00000000004DB000-memory.dmp	themida
behavioral27/memory/2372-21-0x0000000000080000-0x00000000004DB000-memory.dmp	themida
behavioral27/memory/2372-20-0x0000000000080000-0x00000000004DB000-memory.dmp	themida
behavioral27/memory/2372-19-0x0000000000080000-0x00000000004DB000-memory.dmp	themida
behavioral27/memory/2372-25-0x0000000000080000-0x00000000004DB000-memory.dmp	themida
behavioral27/memory/2372-30-0x0000000000080000-0x00000000004DB000-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	winsrvhost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Netflix Checker By Scorpio.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winsrvhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alocal.cfg

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 1692	2924	Netflix Checker By Scorpio.exe	32
PID 2924 wrote to memory of 1692	2924	Netflix Checker By Scorpio.exe	32
PID 2924 wrote to memory of 1692	2924	Netflix Checker By Scorpio.exe	32
PID 2924 wrote to memory of 1692	2924	Netflix Checker By Scorpio.exe	32
PID 2924 wrote to memory of 2988	2924	Netflix Checker By Scorpio.exe	33
PID 2924 wrote to memory of 2988	2924	Netflix Checker By Scorpio.exe	33
PID 2924 wrote to memory of 2988	2924	Netflix Checker By Scorpio.exe	33
PID 2924 wrote to memory of 2988	2924	Netflix Checker By Scorpio.exe	33
PID 2924 wrote to memory of 2372	2924	Netflix Checker By Scorpio.exe	34
PID 2924 wrote to memory of 2372	2924	Netflix Checker By Scorpio.exe	34
PID 2924 wrote to memory of 2372	2924	Netflix Checker By Scorpio.exe	34
PID 2924 wrote to memory of 2372	2924	Netflix Checker By Scorpio.exe	34

C:\Users\Admin\AppData\Local\Temp\Dark Star Netflix Checker By Scorpio\Netflix Checker By Scorpio.exe
"C:\Users\Admin\AppData\Local\Temp\Dark Star Netflix Checker By Scorpio\Netflix Checker By Scorpio.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2924
- C:\ProgramData\UserOOOBE\UserOOOBE.exe
  C:\ProgramData\\UserOOOBE\\UserOOOBE.exe ,.
  2⤵
  - Executes dropped EXE
  PID:1692
- C:\Users\Admin\AppData\Local\Temp\Dark Star Netflix Checker By Scorpio\alocal.cfg
  alocal.cfg
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\ProgramData\winsrvhost\winsrvhost.exe
  C:\ProgramData\\winsrvhost\\winsrvhost.exe Z3cLmXQ4yE7UR5AMof9QJlsXPjJoRHI72shjvPqGQojRNLjwPIKmgAkcEKFPsYyy
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2372

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\winsrvhost\winsrvhost.exe

Filesize
3.0MB

MD5
a553208ea4a57f1334669fe1e80113b7

SHA1
509aebd8384adb5f0d5f37dd3dd2b799ca7ddae6

SHA256
c868a800bef638fd579202534fa763a584cf78a01447afc89908ed1bae308ace

SHA512
08765ce1ed9d095527b469495b2138e6446c9034916f4030e7c02c43ea7b39708c1d3cd4f35c9df156633e77cdcb702258f7d627c028c902ac3f450dd0643eef

Download Submit
\ProgramData\UserOOOBE\UserOOOBE.exe

Filesize
1.6MB

MD5
939712a4d4341fb67c0214621a78fca7

SHA1
53225cb2d07e8131c9fdb086a70a81cd41f588ea

SHA256
f594ff49ea0a51dc4a76609291b7c3e44fcc92789378f899349609407ac55b61

SHA512
f9cd9997394dae980b99018902e347a48b4eab44041e88bad6fc3d10c173b31cea44b0202e7233b1dc934c102c27f1ce5662a01e53b1b0f80197c9c73bb24144

Download Submit
memory/2372-20-0x0000000000080000-0x00000000004DB000-memory.dmp

Filesize
4.4MB

Download
memory/2372-27-0x0000000000080000-0x00000000004DB000-memory.dmp

Filesize
4.4MB

Download
memory/2372-24-0x0000000000080000-0x00000000004DB000-memory.dmp

Filesize
4.4MB

Download
memory/2372-23-0x0000000000080000-0x00000000004DB000-memory.dmp

Filesize
4.4MB

Download
memory/2372-22-0x0000000000080000-0x00000000004DB000-memory.dmp

Filesize
4.4MB

Download
memory/2372-21-0x0000000000080000-0x00000000004DB000-memory.dmp

Filesize
4.4MB

Download
memory/2372-19-0x0000000000080000-0x00000000004DB000-memory.dmp

Filesize
4.4MB

Download
memory/2372-25-0x0000000000080000-0x00000000004DB000-memory.dmp

Filesize
4.4MB

Download
memory/2372-30-0x0000000000080000-0x00000000004DB000-memory.dmp

Filesize
4.4MB

Download
memory/2924-26-0x0000000002DD0000-0x000000000322B000-memory.dmp

Filesize
4.4MB

Download
memory/2924-17-0x00000000002D0000-0x00000000002E0000-memory.dmp

Filesize
64KB

Download
memory/2988-28-0x0000000000C60000-0x0000000000D48000-memory.dmp

Filesize
928KB

Download
memory/2988-29-0x0000000000450000-0x000000000045E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads