stealc | cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 10:16

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General

Target

cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.exe
Size

1.7MB
MD5

2838599bc263bce8d3ebb67ef1917a81
SHA1

66e249fb3ff508f63b39dde993b5de62c8c8de0f
SHA256

cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432
SHA512

ed8fc8e41f8b0d29de3b7485480a58026e70f642b98f951a1f51a947168a681829156175e69471b56e97aa5e197f741491d3a75801a9cda606e908292f09bdf5
SSDEEP

49152:topy2exakNlI+xOLAGLzksTlsNoX6oIancuknMx:2I2exvNlI+xOPgsTWoKoIurka

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__	cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.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	cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
540	cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.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	cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
540	cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.exe
540	cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.exe

C:\Users\Admin\AppData\Local\Temp\cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.exe
"C:\Users\Admin\AppData\Local\Temp\cc3d3d3f42ba0d46598d68226b6c82c89162cbd5f4f44f679c349ecd05150432.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:540

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/540-0-0x0000000000A50000-0x00000000010F9000-memory.dmp

Filesize
6.7MB

Download
memory/540-1-0x0000000077194000-0x0000000077196000-memory.dmp

Filesize
8KB

Download
memory/540-2-0x0000000000A51000-0x0000000000A68000-memory.dmp

Filesize
92KB

Download
memory/540-3-0x0000000000A50000-0x00000000010F9000-memory.dmp

Filesize
6.7MB

Download
memory/540-4-0x0000000000A50000-0x00000000010F9000-memory.dmp

Filesize
6.7MB

Download