5db7e3cba3a56ea7265ac824f5b3bd64853e42c4fa9eb8a5e706bcad5acdff0e

Analysis

max time kernel
45s
max time network
48s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
31/03/2023, 21:34

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General

Target

RUT V3.exe
Size

10.6MB
MD5

a77c3c4678f20357d92bf98a5aa8979d
SHA1

1c1dbc0b54b20844e0b2ed1f4877bdcd6e062081
SHA256

5db7e3cba3a56ea7265ac824f5b3bd64853e42c4fa9eb8a5e706bcad5acdff0e
SHA512

d896a03e3d3fc4f28cc07b718e289350b87fbd896bdf3fd487bfb3686afe4c35dd87cbe519cdb9b352c5426ae5c17733f106b8c1a7176a8e5cf85597b6af35f8
SSDEEP

196608:2tz+SDWS8v80ix2Wa88Vb6FN20vmtmeZfev0O1m1kc6knjeaOPYhCFK/WyoZ:kcv8F2Wa8ukNeZmcORc9n3rwK/BoZ

Score

9^/10

discovery evasion 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	RUT V3.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	RUT V3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	RUT V3.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RUT V3.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1328	2028	WerFault.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSystemEnvironmentPrivilege	2028	RUT V3.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1328	2028	RUT V3.exe	29
PID 2028 wrote to memory of 1328	2028	RUT V3.exe	29
PID 2028 wrote to memory of 1328	2028	RUT V3.exe	29

C:\Users\Admin\AppData\Local\Temp\RUT V3.exe
"C:\Users\Admin\AppData\Local\Temp\RUT V3.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2028 -s 356
  2⤵
  - Program crash
  PID:1328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

memory/2028-54-0x000000013F380000-0x0000000140EA4000-memory.dmp

Filesize
27.1MB

Download
memory/2028-55-0x000000013F380000-0x0000000140EA4000-memory.dmp

Filesize
27.1MB

Download
memory/2028-56-0x000000013F380000-0x0000000140EA4000-memory.dmp

Filesize
27.1MB

Download
memory/2028-57-0x000000013F380000-0x0000000140EA4000-memory.dmp

Filesize
27.1MB

Download
memory/2028-58-0x000000013F380000-0x0000000140EA4000-memory.dmp

Filesize
27.1MB

Download
memory/2028-59-0x000000013F380000-0x0000000140EA4000-memory.dmp

Filesize
27.1MB

Download
memory/2028-60-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2028-262-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/2028-263-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/2028-264-0x000000013F380000-0x0000000140EA4000-memory.dmp

Filesize
27.1MB

Download
memory/2028-267-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/2028-268-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/2028-273-0x000000013F380000-0x0000000140EA4000-memory.dmp

Filesize
27.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads