stealc | d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb

Analysis

max time kernel
148s
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
14-12-2024 13:30

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General

Target

d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.exe
Size

1.7MB
MD5

22f1b1157f590899f3cfc12dd73dd2db
SHA1

98a6d31b71eddcd278e715fa1c95838ff88a392d
SHA256

d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb
SHA512

b31394b8e8705d64066c58d0d01cae21d1fd9556ed64780950fc18646531c39fe4fc281388b69de099c1e95e977fd96a7701cb78b12cf7ac54fcd83114babc71
SSDEEP

49152:j30M2tfC22WnKWP1V4xV0S+h3lTlacCoUKJ:j30M4fL1P1qxV0S+R/sO

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__	d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.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	d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5032	d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.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	d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5032	d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.exe
5032	d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.exe

C:\Users\Admin\AppData\Local\Temp\d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.exe
"C:\Users\Admin\AppData\Local\Temp\d2c483f48606d2239084e9f2863b5a83303c431c9d0bea2751196188edf1dddb.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:5032

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/5032-0-0x0000000000180000-0x0000000000818000-memory.dmp

Filesize
6.6MB

Download
memory/5032-1-0x0000000077C54000-0x0000000077C56000-memory.dmp

Filesize
8KB

Download
memory/5032-2-0x0000000000181000-0x0000000000198000-memory.dmp

Filesize
92KB

Download
memory/5032-3-0x0000000000180000-0x0000000000818000-memory.dmp

Filesize
6.6MB

Download
memory/5032-4-0x0000000000180000-0x0000000000818000-memory.dmp

Filesize
6.6MB

Download