95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8

Resubmissions

18-07-2022 00:53

220718-a8q1pagch7 9

17-07-2022 22:19

220717-18p2haggbk 9

Analysis

max time kernel
51s
max time network
180s
platform
windows10_x64
resource
win10-20220414-en
resource tags

arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
submitted
17-07-2022 22:19

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General

Target

95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe
Size

1.3MB
MD5

85c8e01f5ec046ed1922b048749a96dd
SHA1

b7d67f0f50dcfd52bf0244b27d2e32f4b37e1d3b
SHA256

95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8
SHA512

fdedb6ddb37aba27ff01232aea3a6d9c662f7941d344e172ee51af3d53ca6ed7f1438b6d43d446fedf2f94e2064cfbeaa04b9ecae018dc2c5c55e6424e19449e

Score

9^/10

evasion persistence 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:

95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.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:

95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3456-116-0x00007FF66E0C0000-0x00007FF66E529000-memory.dmp	themida
behavioral2/memory/3456-117-0x00007FF66E0C0000-0x00007FF66E529000-memory.dmp	themida
behavioral2/memory/3456-118-0x00007FF66E0C0000-0x00007FF66E529000-memory.dmp	themida
behavioral2/memory/3456-119-0x00007FF66E0C0000-0x00007FF66E529000-memory.dmp	themida
behavioral2/memory/3456-120-0x00007FF66E0C0000-0x00007FF66E529000-memory.dmp	themida

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win32Com = "C:\\Users\\Public\\Docs\\95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe"	95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

pid process

3456 95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

pid	process
3456	95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe

C:\Users\Admin\AppData\Local\Temp\95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe
"C:\Users\Admin\AppData\Local\Temp\95dea59c9833cb81c4690d6f644fcbfcbfd9dda3209aaa1fee62c25d010cf1a8.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious behavior: GetForegroundWindowSpam
PID:3456

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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/3456-116-0x00007FF66E0C0000-0x00007FF66E529000-memory.dmp

Filesize
4.4MB

Download
memory/3456-117-0x00007FF66E0C0000-0x00007FF66E529000-memory.dmp

Filesize
4.4MB

Download
memory/3456-118-0x00007FF66E0C0000-0x00007FF66E529000-memory.dmp

Filesize
4.4MB

Download
memory/3456-119-0x00007FF66E0C0000-0x00007FF66E529000-memory.dmp

Filesize
4.4MB

Download
memory/3456-120-0x00007FF66E0C0000-0x00007FF66E529000-memory.dmp

Filesize
4.4MB

Download