da6ce92ec5c7305011dbfa5a6d4b81c43794eba55652744729744b4980e2b0c2

Analysis

max time kernel
163s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2022 19:53

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General

Target

fg797p.exe
Size

7.1MB
MD5

98042f03baf3cad4dc4ab8e882063e14
SHA1

87d47f67b8d4b021f19d1c1d8514453facca2be6
SHA256

da6ce92ec5c7305011dbfa5a6d4b81c43794eba55652744729744b4980e2b0c2
SHA512

7ddd8b95e58bf01f588f93d9864d90b65b4af7035b9f4c68dc93690c1a312193263a9a839ddeaead6f155548f3530569d0af3178d9b6c20c317b06f06e210377

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:

fg797p.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ fg797p.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	fg797p.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:

fg797p.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	fg797p.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	fg797p.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/392-130-0x0000000000400000-0x00000000015B9000-memory.dmp	themida
behavioral2/memory/392-132-0x0000000000400000-0x00000000015B9000-memory.dmp	themida
behavioral2/memory/392-133-0x0000000000400000-0x00000000015B9000-memory.dmp	themida
behavioral2/memory/392-134-0x0000000000400000-0x00000000015B9000-memory.dmp	themida
behavioral2/memory/392-135-0x0000000000400000-0x00000000015B9000-memory.dmp	themida
behavioral2/memory/392-136-0x0000000000400000-0x00000000015B9000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

fg797p.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA fg797p.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

fg797p.exe

pid process

392 fg797p.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	fg797p.exe

pid	process
392	fg797p.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

Processes:

fg797p.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Internet Explorer\Main	fg797p.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Isolation = "PMIL"	fg797p.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fg797p.exe

pid process

392 fg797p.exe
392 fg797p.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

fg797p.exe

pid process

392 fg797p.exe
392 fg797p.exe
392 fg797p.exe
392 fg797p.exe

pid	process
392	fg797p.exe
392	fg797p.exe

pid	process
392	fg797p.exe
392	fg797p.exe
392	fg797p.exe
392	fg797p.exe

C:\Users\Admin\AppData\Local\Temp\fg797p.exe
"C:\Users\Admin\AppData\Local\Temp\fg797p.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
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:392

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Modify Registry

T1112

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/392-130-0x0000000000400000-0x00000000015B9000-memory.dmp

Filesize
17.7MB

Download
memory/392-131-0x00000000771F0000-0x0000000077393000-memory.dmp

Filesize
1.6MB

Download
memory/392-132-0x0000000000400000-0x00000000015B9000-memory.dmp

Filesize
17.7MB

Download
memory/392-133-0x0000000000400000-0x00000000015B9000-memory.dmp

Filesize
17.7MB

Download
memory/392-134-0x0000000000400000-0x00000000015B9000-memory.dmp

Filesize
17.7MB

Download
memory/392-135-0x0000000000400000-0x00000000015B9000-memory.dmp

Filesize
17.7MB

Download
memory/392-136-0x0000000000400000-0x00000000015B9000-memory.dmp

Filesize
17.7MB

Download
memory/392-137-0x00000000771F0000-0x0000000077393000-memory.dmp

Filesize
1.6MB

Download