5cd1a4b761863addef4b68ab4e7df6036b6dea41a278013fadedf91e19ddbb56

General

Target

BearFlix.exe
Size

7.0MB
MD5

ea47c348d3c190be65e02d8e27677382
SHA1

e7db5e65b8ba03e08383904ba04904f0f937d8dc
SHA256

5cd1a4b761863addef4b68ab4e7df6036b6dea41a278013fadedf91e19ddbb56
SHA512

86169bcdf49a620d636d2ee62bb17138e57f09680139f263efdaf602da321275d1bd8ef8a5292a527bb29ae698cc692d3ed787febf0a75b0409cecde4e569c82
SSDEEP

196608:trkfNWCZtV8ld98BlON2jnbNswvBXvowJgzl7GSZn7ftm:F90jVvBXvoww77rc

Score

9^/10

agilenet 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:

BearFlix.exe

description ioc process

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

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

BearFlix.exe

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

Loads dropped DLL 1 IoCs

Processes:

BearFlix.exe

pid process

2604 BearFlix.exe

pid	process
2604	BearFlix.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/2604-133-0x0000000000F50000-0x000000000164E000-memory.dmp	agile_net

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\3552fb05-326e-47b6-881a-b7e27c7fb1c6\AgileDotNetRT.dll	themida
C:\Users\Admin\AppData\Local\Temp\3552fb05-326e-47b6-881a-b7e27c7fb1c6\AgileDotNetRT.dll	themida
behavioral1/memory/2604-141-0x0000000071C00000-0x0000000072219000-memory.dmp	themida
behavioral1/memory/2604-143-0x0000000071C00000-0x0000000072219000-memory.dmp	themida
behavioral1/memory/2604-144-0x0000000071C00000-0x0000000072219000-memory.dmp	themida
behavioral1/memory/2604-146-0x0000000071C00000-0x0000000072219000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

BearFlix.exe

description ioc process

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

Processes:

BearFlix.exe

pid process

2604 BearFlix.exe
Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid pid_target process target process

3096 2604 WerFault.exe BearFlix.exe
5012 2604 WerFault.exe BearFlix.exe
4516 2604 WerFault.exe BearFlix.exe

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

pid	process
2604	BearFlix.exe

pid	pid_target	process	target process
3096	2604	WerFault.exe	BearFlix.exe
5012	2604	WerFault.exe	BearFlix.exe
4516	2604	WerFault.exe	BearFlix.exe

C:\Users\Admin\AppData\Local\Temp\BearFlix.exe
"C:\Users\Admin\AppData\Local\Temp\BearFlix.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 1084
2⤵
- Program crash
PID:3096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 1044
2⤵
- Program crash
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 1052
2⤵
- Program crash
PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2604 -ip 2604
1⤵
PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 2604 -ip 2604
1⤵
PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2604 -ip 2604
1⤵
PID:116

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3552fb05-326e-47b6-881a-b7e27c7fb1c6\AgileDotNetRT.dll
Filesize
2.3MB

MD5
105e678e6ee84e0fa7fbe34df1f9639c

SHA1
17e4d775f4405e3a81a793b5bf775e9c95da5af9

SHA256
4ef4551d44fde6e46c470314b0b89f6418a54eee3f1ad9eb7456b2a20e3065a2

SHA512
3a15a2f188a4f572923d1999a77ef6d14b243d1c0e3a4442b5a6825756b93b40e2c6197d106df62ae3b427c62ff6b21fc2fe8181a3b6709e9991f1ddd36e5689

Download Submit
C:\Users\Admin\AppData\Local\Temp\3552fb05-326e-47b6-881a-b7e27c7fb1c6\AgileDotNetRT.dll
Filesize
2.3MB

MD5
105e678e6ee84e0fa7fbe34df1f9639c

SHA1
17e4d775f4405e3a81a793b5bf775e9c95da5af9

SHA256
4ef4551d44fde6e46c470314b0b89f6418a54eee3f1ad9eb7456b2a20e3065a2

SHA512
3a15a2f188a4f572923d1999a77ef6d14b243d1c0e3a4442b5a6825756b93b40e2c6197d106df62ae3b427c62ff6b21fc2fe8181a3b6709e9991f1ddd36e5689

Download Submit
memory/2604-133-0x0000000000F50000-0x000000000164E000-memory.dmp

Filesize
7.0MB

Download
memory/2604-141-0x0000000071C00000-0x0000000072219000-memory.dmp

Filesize
6.1MB

Download
memory/2604-142-0x0000000005F60000-0x0000000005F70000-memory.dmp

Filesize
64KB

Download
memory/2604-143-0x0000000071C00000-0x0000000072219000-memory.dmp

Filesize
6.1MB

Download
memory/2604-144-0x0000000071C00000-0x0000000072219000-memory.dmp

Filesize
6.1MB

Download
memory/2604-145-0x0000000073A70000-0x0000000073AF9000-memory.dmp

Filesize
548KB

Download
memory/2604-146-0x0000000071C00000-0x0000000072219000-memory.dmp

Filesize
6.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads