4fc4b28effd4a919a2c9135976641d17c349c92eb59530b142c37f900ff0e567

General

Target

Scooby.exe
Size

7.8MB
MD5

ae7fde370b3f9f9d8f85f9730fb7cb60
SHA1

81f7adcb70ecdb64e163c214949b63f9da7d1e66
SHA256

4fc4b28effd4a919a2c9135976641d17c349c92eb59530b142c37f900ff0e567
SHA512

3bd2423aac11963e2a4f34db3881d566dc9abb12b8d4d097c15d4469de4366b7995850c23a2a2e040b424f9547b426d567d0634e2620a1885120d80eb32a706f
SSDEEP

196608:TG/HEQpC4DtE0oBPd8Oq4BC0z9W2TOn3M0Q65oy9J7gb1/:T4ZpCVP/+0J63aUM/

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

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1172-0-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp	themida
behavioral1/memory/1172-2-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp	themida
behavioral1/memory/1172-3-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp	themida
behavioral1/memory/1172-5-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp	themida
behavioral1/memory/1172-4-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp	themida
behavioral1/memory/1172-6-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp	themida
behavioral1/memory/1172-7-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp	themida
behavioral1/memory/1172-8-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp	themida
behavioral1/memory/1172-9-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp	themida
behavioral1/memory/1172-11-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp	themida
behavioral1/memory/1172-12-0x00007FF6E8170000-0x00007FF6E95DB000-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	Scooby.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Videos\Captures\desktop.ini	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1172	Scooby.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-3785588363-1079601362-4184885025-1000\{94372373-79D4-4321-9C6B-3D1D0E8CA1BD}	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1172	Scooby.exe
1172	Scooby.exe
1172	Scooby.exe
1172	Scooby.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1264	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1172	Scooby.exe
Token: SeSecurityPrivilege	1172	Scooby.exe
Token: SeDebugPrivilege	1172	Scooby.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1172	Scooby.exe
1264	OpenWith.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 952	1172	Scooby.exe	82
PID 1172 wrote to memory of 952	1172	Scooby.exe	82
PID 952 wrote to memory of 476	952	cmd.exe	85
PID 952 wrote to memory of 476	952	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\Scooby.exe
"C:\Users\Admin\AppData\Local\Temp\Scooby.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 AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Scooby.exe" MD5
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:952
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Scooby.exe" MD5
    3⤵
    PID:476

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1264

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
PID:4768

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

3

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Videos\Captures\desktop.ini

Filesize
190B

MD5
b0d27eaec71f1cd73b015f5ceeb15f9d

SHA1
62264f8b5c2f5034a1e4143df6e8c787165fbc2f

SHA256
86d9f822aeb989755fac82929e8db369b3f5f04117ef96fd76e3d5f920a501d2

SHA512
7b5c9783a0a14b600b156825639d24cbbc000f5066c48ce9fecc195255603fc55129aaaca336d7ce6ad4e941d5492b756562f2c7a1d151fcfc2dabac76f3946c

Download Submit
memory/1172-6-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-8-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-3-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-5-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-4-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-0-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-7-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-2-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-9-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-10-0x00007FF85C0B0000-0x00007FF85C2A8000-memory.dmp

Filesize
2.0MB

Download
memory/1172-11-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-12-0x00007FF6E8170000-0x00007FF6E95DB000-memory.dmp

Filesize
20.4MB

Download
memory/1172-1-0x00007FF85C151000-0x00007FF85C153000-memory.dmp

Filesize
8KB

Download
memory/1172-27-0x00007FF85C0B0000-0x00007FF85C2A8000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads