8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9

Analysis

max time kernel
137s
max time network
180s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
22-07-2022 22:18

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General

Target

8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe
Size

1.6MB
MD5

c037ec35abf70d0367f4a41ae16e7226
SHA1

8d3c519235913e0ac5e507fb0b816f9a275d489b
SHA256

8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9
SHA512

0986a3b7de0c975a0a867dce71869811466b28378986e4d1fb8a9dd5e178e0082a5f744a580e7012d35c23374c33ff1fd3f659b11f502d1505eb4b7a7ebfe158

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:

8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.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:

8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2708-117-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp	themida
behavioral2/memory/2708-119-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp	themida
behavioral2/memory/2708-120-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp	themida
behavioral2/memory/2708-121-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp	themida
behavioral2/memory/2708-122-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp	themida
behavioral2/memory/2708-123-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp	themida

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2848962218-3794400400-3934119819-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win32Com = "C:\\Users\\Public\\Docs\\8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe"	8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

pid process

2708 8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

pid process

2708 8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

pid	process
2708	8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

pid	process
2708	8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe

C:\Users\Admin\AppData\Local\Temp\8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.exe
"C:\Users\Admin\AppData\Local\Temp\8b58757c429503a45480ae6baa5509b21e55d5c1fe81574871acc9d2edae22c9.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 use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
PID:2708

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/2708-117-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp

Filesize
5.0MB

Download
memory/2708-118-0x00007FFB2E660000-0x00007FFB2E83B000-memory.dmp

Filesize
1.9MB

Download
memory/2708-119-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp

Filesize
5.0MB

Download
memory/2708-120-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp

Filesize
5.0MB

Download
memory/2708-121-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp

Filesize
5.0MB

Download
memory/2708-122-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp

Filesize
5.0MB

Download
memory/2708-123-0x00007FF795FA0000-0x00007FF7964AB000-memory.dmp

Filesize
5.0MB

Download
memory/2708-124-0x00007FFB2E660000-0x00007FFB2E83B000-memory.dmp

Filesize
1.9MB

Download