stealc | ced416c4e61e9d2ac5646c0ecf12a763e7767fd2f8507e74ceb2b6dfb9a0ae73

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 01:26

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General

Target

c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.exe
Size

1.7MB
MD5

69028d86ffdb8a59a9127b47dfb0ab38
SHA1

22d638c41ec4e8edfbb24d6ef6ccde318b581b84
SHA256

c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367
SHA512

dbb7a989466b49646b44a0635a22188eba4139b57f7308753b6a1fb233f7f3c7a1fac91de399bb40115bb1a4a816caf789c318c44dfcabce8ef16958f11dceb6
SSDEEP

49152:1+KLIuC5IRN5Rx3kJoGIFAwgYFT1LYoa:1+K5CpaGlYFTHa

Score

10^/10

stealc drum discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

drum

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__	c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.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	c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3536	c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.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	c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3536	c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.exe
3536	c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.exe

C:\Users\Admin\AppData\Local\Temp\c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.exe
"C:\Users\Admin\AppData\Local\Temp\c006fc45ccd90fd47319f6aa0ee4694d8b17e4fd35b237ada54db1cc649b0367.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:3536

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/3536-0-0x00000000001A0000-0x0000000000840000-memory.dmp

Filesize
6.6MB

Download
memory/3536-1-0x0000000077B64000-0x0000000077B66000-memory.dmp

Filesize
8KB

Download
memory/3536-2-0x00000000001A1000-0x00000000001B8000-memory.dmp

Filesize
92KB

Download
memory/3536-3-0x00000000001A0000-0x0000000000840000-memory.dmp

Filesize
6.6MB

Download
memory/3536-4-0x00000000001A0000-0x0000000000840000-memory.dmp

Filesize
6.6MB

Download