stealc | 4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 02:30

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General

Target

4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315.exe
Size

1.7MB
MD5

4a7eed8b46caef3d51862ec7204cd64f
SHA1

07d79ba53978391459872e7734a3afd1d5ad1a65
SHA256

4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315
SHA512

6cdb776f8f4511f3e89f1ec734c108221e66f9c849577f1d0d802bcadc469c891cc62a6c1af29d19c4180783cb20835413aa0a9c8e1135c30d0b0b1032009d16
SSDEEP

49152:PAtHQjFN4mMpfR9VUGMLkGA1eglWH7Afskj9Nae:YtCOfdMkGn/H7AUSNae

Score

10^/10

stealc drum discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

drum

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

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__	4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315.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	4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2336	4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2336	4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315.exe

C:\Users\Admin\AppData\Local\Temp\4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315.exe
"C:\Users\Admin\AppData\Local\Temp\4ae8dbee1470ac54b8fa30ff9977f97c404055a61131510e2267bfba524b9315.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2336-0-0x0000000001390000-0x0000000001A3D000-memory.dmp

Filesize
6.7MB

Download
memory/2336-1-0x0000000077410000-0x0000000077412000-memory.dmp

Filesize
8KB

Download
memory/2336-3-0x0000000001390000-0x0000000001A3D000-memory.dmp

Filesize
6.7MB

Download
memory/2336-2-0x0000000001391000-0x00000000013A8000-memory.dmp

Filesize
92KB

Download
memory/2336-4-0x0000000001390000-0x0000000001A3D000-memory.dmp

Filesize
6.7MB

Download