1492ef6536804555c64804636662313d4345fcf02d7d568c2cc291f221915ed7

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2022 16:09

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General

Target

Launcher.exe
Size

3.7MB
MD5

26de3aeeabe0ae76f1018eaa2532f16a
SHA1

cb64725485be721627e11871cbb7fb6a778beb2d
SHA256

1492ef6536804555c64804636662313d4345fcf02d7d568c2cc291f221915ed7
SHA512

4b1ea404e601a3990ff2abf97c273c4a23205a30f5bdf2cc78706efcb3cfd7e20157fa9071cade58f39ce3206db56185ca523780fd16d167a2d6f3fd4e6eb118

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:

Launcher.exe

description ioc process

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

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

Launcher.exe

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

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/856-134-0x0000000000FD0000-0x00000000018FC000-memory.dmp	themida
behavioral2/memory/856-135-0x0000000000FD0000-0x00000000018FC000-memory.dmp	themida
behavioral2/memory/856-140-0x0000000000FD0000-0x00000000018FC000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Launcher.exe

description ioc process

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

Processes:

Launcher.exe

pid process

856 Launcher.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4472 856 WerFault.exe Launcher.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Launcher.exe

pid process

856 Launcher.exe
856 Launcher.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Launcher.exe

description pid process

Token: SeDebugPrivilege 856 Launcher.exe

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

pid	process
856	Launcher.exe

pid	pid_target	process	target process
4472	856	WerFault.exe	Launcher.exe

pid	process
856	Launcher.exe
856	Launcher.exe

description	pid	process
Token: SeDebugPrivilege	856	Launcher.exe

C:\Users\Admin\AppData\Local\Temp\Launcher.exe
"C:\Users\Admin\AppData\Local\Temp\Launcher.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
PID:856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 856 -s 1584
2⤵
- Program crash
PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 856 -ip 856
1⤵
PID:4280

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

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Downloads

memory/856-130-0x0000000000FD0000-0x00000000018FC000-memory.dmp

Filesize
9.2MB

Download
memory/856-133-0x00000000775C0000-0x0000000077763000-memory.dmp

Filesize
1.6MB

Download
memory/856-134-0x0000000000FD0000-0x00000000018FC000-memory.dmp

Filesize
9.2MB

Download
memory/856-135-0x0000000000FD0000-0x00000000018FC000-memory.dmp

Filesize
9.2MB

Download
memory/856-136-0x0000000006380000-0x0000000006924000-memory.dmp

Filesize
5.6MB

Download
memory/856-137-0x0000000005CB0000-0x0000000005D42000-memory.dmp

Filesize
584KB

Download
memory/856-138-0x0000000000FD0000-0x00000000018FC000-memory.dmp

Filesize
9.2MB

Download
memory/856-139-0x00000000775C0000-0x0000000077763000-memory.dmp

Filesize
1.6MB

Download
memory/856-140-0x0000000000FD0000-0x00000000018FC000-memory.dmp

Filesize
9.2MB

Download
memory/856-141-0x00000000775C0000-0x0000000077763000-memory.dmp

Filesize
1.6MB

Download