286f4b475b248fcb08bcec57234303647da69515e8258cebda2ee7dbcd6f4541

Analysis

max time kernel
11s
max time network
10s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
26-03-2023 04:32

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General

Target

SPOOFER_AC_BLOCKER.exe
Size

3.5MB
MD5

477c6e1f4f142e550469a352a9a8b8a7
SHA1

9d5fc700660494f133235266bec04060234df9e7
SHA256

286f4b475b248fcb08bcec57234303647da69515e8258cebda2ee7dbcd6f4541
SHA512

4d83c9f4dad54af11cedb5ea9dd9fa2544045637cd937ea0cfcd70113b26ec903c6f1a9cc340b7c7aa76a7d559213d1d776fcc2f0e8a30c3d9f6ce237615f3b3
SSDEEP

49152:qtkuOsOrajWHPKPmYfEKbFpXVT2Fy/VFUvSntXmrxplSNk6J/sfEAXoW96NdLA6n:JujOrRgmYfFuItFqamrANxsfnXoWod0G

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:

SPOOFER_AC_BLOCKER.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ SPOOFER_AC_BLOCKER.exe

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

SPOOFER_AC_BLOCKER.exe

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

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/4140-116-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp	themida
behavioral1/memory/4140-117-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp	themida
behavioral1/memory/4140-118-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp	themida
behavioral1/memory/4140-119-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp	themida
behavioral1/memory/4140-120-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp	themida
behavioral1/memory/4140-121-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp	themida
behavioral1/memory/4140-122-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp	themida
behavioral1/memory/4140-123-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

SPOOFER_AC_BLOCKER.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SPOOFER_AC_BLOCKER.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

SPOOFER_AC_BLOCKER.exe

pid process

4140 SPOOFER_AC_BLOCKER.exe

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

pid	process
4140	SPOOFER_AC_BLOCKER.exe

C:\Users\Admin\AppData\Local\Temp\SPOOFER_AC_BLOCKER.exe
"C:\Users\Admin\AppData\Local\Temp\SPOOFER_AC_BLOCKER.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
PID:4140

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4140-116-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp

Filesize
9.4MB

Download
memory/4140-117-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp

Filesize
9.4MB

Download
memory/4140-118-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp

Filesize
9.4MB

Download
memory/4140-119-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp

Filesize
9.4MB

Download
memory/4140-120-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp

Filesize
9.4MB

Download
memory/4140-121-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp

Filesize
9.4MB

Download
memory/4140-122-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp

Filesize
9.4MB

Download
memory/4140-123-0x00007FF6F13F0000-0x00007FF6F1D5E000-memory.dmp

Filesize
9.4MB

Download