50425bbffda899deae06a34073cbfcec097ded72f040d19ba91318dd39975b4b

Analysis

max time kernel
122s
max time network
141s
platform
windows7_x64
resource
win7-en-20211208
submitted
28-01-2022 15:05

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General

Target

Open__File_-Setup.exe
Size

2.6MB
MD5

f0b845c4482445e3687374a9bc0721d9
SHA1

30aca922fb58f40860d43f7e092cb5f0421dfd43
SHA256

50425bbffda899deae06a34073cbfcec097ded72f040d19ba91318dd39975b4b
SHA512

b4df83357138608be2e995c393485047d8c0c813492495ab10d2af877b5160c0d29401ab2d053fd605124b4a0779204e08a8d306588b68f4cc14cae58f57a1c2

Score

9^/10

evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

Open__File_-Setup.exe

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

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1804-56-0x0000000000820000-0x0000000000EDB000-memory.dmp	themida
behavioral1/memory/1804-57-0x0000000000820000-0x0000000000EDB000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Open__File_-Setup.exe

description ioc process

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

Processes:

Open__File_-Setup.exe

pid process

1804 Open__File_-Setup.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Open__File_-Setup.exe

pid process

1804 Open__File_-Setup.exe

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

pid	process
1804	Open__File_-Setup.exe

pid	process
1804	Open__File_-Setup.exe

C:\Users\Admin\AppData\Local\Temp\Open__File_-Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Open__File_-Setup.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1804

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

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/1804-55-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1804-56-0x0000000000820000-0x0000000000EDB000-memory.dmp

Filesize
6.7MB

Download
memory/1804-57-0x0000000000820000-0x0000000000EDB000-memory.dmp

Filesize
6.7MB

Download