stealc | 6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7

Analysis

max time kernel
93s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 04:02

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General

Target

6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.exe
Size

1.8MB
MD5

37b82918f398b44c105c640bfd4b4ae8
SHA1

7d3deaf1a4edda230934ef983cc9463bd71e5ac4
SHA256

6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7
SHA512

6fc57c3c156ca660fc5d5b7ac82f74c8ce10e5d73d60c83d7e41b98ddce9232c5c9e1f38dceafbdbdb34a4f11c311be43606fe2b4370272056eaa568081adb0a
SSDEEP

49152:ULXFFcTxyADO/CkVAeF688ZwhqmQzAb76tSc:kcTUA+VAe4PZWqmQ0at

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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__	6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.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	6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3868	6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.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	6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3868	6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.exe
3868	6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.exe

C:\Users\Admin\AppData\Local\Temp\6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.exe
"C:\Users\Admin\AppData\Local\Temp\6383cde311a862695e4beb993b5a2942001d55cac0b5ee80ca604ebde00956b7.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:3868

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

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Downloads

memory/3868-0-0x0000000000C30000-0x00000000012DD000-memory.dmp

Filesize
6.7MB

Download
memory/3868-1-0x0000000077C94000-0x0000000077C96000-memory.dmp

Filesize
8KB

Download
memory/3868-2-0x0000000000C31000-0x0000000000C48000-memory.dmp

Filesize
92KB

Download
memory/3868-3-0x0000000000C30000-0x00000000012DD000-memory.dmp

Filesize
6.7MB

Download
memory/3868-4-0x0000000000C30000-0x00000000012DD000-memory.dmp

Filesize
6.7MB

Download