stealc | 393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3

Analysis

max time kernel
119s
max time network
127s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 02:28

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General

Target

393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3.exe
Size

1.8MB
MD5

aaf5489ad715010ec0d1b271a8188587
SHA1

7c38932e0369edf742aa0f8c86a3b154755ac54c
SHA256

393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3
SHA512

d2559de931cbb8646326c2981678394f15ae0f23342d12055a475772b4031d9bd5b02cebc48003be83cd7949e4ecafd8fe7f7f1f31dbf7525b5d5259e4f18b71
SSDEEP

24576:HybpJrHuCOCXtx4WxvZryd5UUyiPJ768vcJH2EBPmN80y6RdxTzevenDH61s7zzu:SbfHM8ZvBkbLvcJWxrPeWncZDv

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__	393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3.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	393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2848	393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3.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	393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2848	393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3.exe

C:\Users\Admin\AppData\Local\Temp\393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3.exe
"C:\Users\Admin\AppData\Local\Temp\393c42a1d853b7dd8e3287d8bd948f51389afc0376d631b14c66d77ed29fcce3.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:2848

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/2848-0-0x0000000000C90000-0x0000000001339000-memory.dmp

Filesize
6.7MB

Download
memory/2848-1-0x0000000077D40000-0x0000000077D42000-memory.dmp

Filesize
8KB

Download
memory/2848-2-0x0000000000C91000-0x0000000000CA8000-memory.dmp

Filesize
92KB

Download
memory/2848-3-0x0000000000C90000-0x0000000001339000-memory.dmp

Filesize
6.7MB

Download
memory/2848-4-0x0000000000C90000-0x0000000001339000-memory.dmp

Filesize
6.7MB

Download