stealc | c345aac946f217493e26b70406e93e028985d34c0575b087f208f3dd9c48075d

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
07/12/2024, 14:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

file.exe
Size

4.9MB
MD5

df2148240759f523a1f6222d9dde9593
SHA1

909ac448b4c693897ad338a1584cd6b9e9bfecb8
SHA256

c345aac946f217493e26b70406e93e028985d34c0575b087f208f3dd9c48075d
SHA512

124831e7a863adc481f884663d61ce0d9423f5ce339c664e41aa2cd24d1b6216a04272d0ef3dbad1b40d10b542ef9f85adba8ab022f4bcb39a0229b4cc300b86
SSDEEP

24576:LOt2F+kP9/rSK+V8RYMPfrAdVwMd2AV3xVHtivEDGCIN7/kJsvgTGDAEID1wD/sl:ityDlzP8dTlV3xQDvhVI4/l9X3Lnv

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__	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3756	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3756	file.exe
3756	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:3756

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3756-0-0x00000000000E0000-0x00000000005D7000-memory.dmp

Filesize
5.0MB

Download
memory/3756-1-0x0000000077AA4000-0x0000000077AA6000-memory.dmp

Filesize
8KB

Download
memory/3756-2-0x00000000000E1000-0x000000000032A000-memory.dmp

Filesize
2.3MB

Download
memory/3756-3-0x00000000000E0000-0x00000000005D7000-memory.dmp

Filesize
5.0MB

Download
memory/3756-4-0x00000000000E0000-0x00000000005D7000-memory.dmp

Filesize
5.0MB

Download
memory/3756-5-0x00000000000E1000-0x000000000032A000-memory.dmp

Filesize
2.3MB

Download