stealc | 6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 01:22

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General

Target

6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.exe
Size

1.8MB
MD5

279b92e7a6114a2fb3ab693e1f44986d
SHA1

a5bdcdc42686a9bd6e84c64c1c1cc08e8a092080
SHA256

6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e
SHA512

1c84d7c8710ea4715a31c7700abba63d9fefcb4c1edd6deeaef1fd0f0e6d416d45543230d129d3c0ab6a3cb8cc2ef569619f934fe50f5fcf84f9419a77ba9c75
SSDEEP

49152:lWLRILxD/GnSsxUP58szJ5MW37I98WJEQXuJ:lTlDwSfyszc4EeWJEMuJ

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.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	6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3924	6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.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	6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3924	6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.exe
3924	6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.exe

C:\Users\Admin\AppData\Local\Temp\6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.exe
"C:\Users\Admin\AppData\Local\Temp\6def5d54651eadddb784cfc5b852903126436fa9b81c4abcceed6dce3dc6a72e.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:3924

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/3924-0-0x0000000000080000-0x0000000000722000-memory.dmp

Filesize
6.6MB

Download
memory/3924-1-0x00000000777B4000-0x00000000777B6000-memory.dmp

Filesize
8KB

Download
memory/3924-2-0x0000000000081000-0x00000000000A4000-memory.dmp

Filesize
140KB

Download
memory/3924-3-0x0000000000080000-0x0000000000722000-memory.dmp

Filesize
6.6MB

Download
memory/3924-4-0x0000000000080000-0x0000000000722000-memory.dmp

Filesize
6.6MB

Download