stealc | cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c

Analysis

max time kernel
92s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 08:44

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General

Target

cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe
Size

1.7MB
MD5

3264ae26929ff0c3abe85b43070dfd27
SHA1

a245f83195576f855bbddac90f9f39da8615ffd3
SHA256

cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c
SHA512

8ad368c0a8d589d496dfdc430237520198745bd60ebfd52b2a1aea4942c44470ff0e2a63569d427a0b8fb8c59ff6d481db2050ad0ce9d41e0abe61ebff58c6c8
SSDEEP

49152:YvAFquWX3EEG5SMmAVatn2FYGV3zqiAjeF3ehX8f:+yfWX3w9mAVatkYgeL+

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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

Processes:

cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.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

Processes:

cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.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

Processes:

cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe

pid process

572 cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.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

Processes:

cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe

pid	process
572	cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe
572	cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe

C:\Users\Admin\AppData\Local\Temp\cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.exe
"C:\Users\Admin\AppData\Local\Temp\cc67fc2b2998c5aa3c0a786908cfb6815a9a0015f0a80c73cbc39f261afa851c.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:572

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/572-0-0x0000000000FF0000-0x0000000001682000-memory.dmp

Filesize
6.6MB

Download
memory/572-1-0x0000000077A24000-0x0000000077A26000-memory.dmp

Filesize
8KB

Download
memory/572-2-0x0000000000FF1000-0x0000000001008000-memory.dmp

Filesize
92KB

Download
memory/572-3-0x0000000000FF0000-0x0000000001682000-memory.dmp

Filesize
6.6MB

Download
memory/572-5-0x0000000000FF0000-0x0000000001682000-memory.dmp

Filesize
6.6MB

Download