stealc | d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 03:41

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General

Target

d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe
Size

2.1MB
MD5

18c1fe0a3db9ac8cf9bae44f3d261a2c
SHA1

cd3a1f06db593e00e03a43bf2ba1732897c94721
SHA256

d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8
SHA512

60f9cc29f296a828828d278512128ceadc90618cc204774539037293c628018c5d1dfb9d5ced3819209c644116a9cf1b4bb0f7b5b680d45aa779c42fb5010735
SSDEEP

49152:jktK2ua6/ad6qKgDNziDbfv4xRTlNSd76q/k6qxeVk56BjJGf42jD4bo:vad7ODb4/T2d7p/k6Tdscbo

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.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	d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3048	d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.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	d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3048	d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe

C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.exe
"C:\Users\Admin\AppData\Local\Temp\d33bf5ccd141c26d9e218fb573b078cdcd54eb890d2a32306a0eea649750aad8.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:3048

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/3048-0-0x0000000000E40000-0x000000000157D000-memory.dmp

Filesize
7.2MB

Download
memory/3048-2-0x0000000000E41000-0x0000000000EA9000-memory.dmp

Filesize
416KB

Download
memory/3048-1-0x00000000774D0000-0x00000000774D2000-memory.dmp

Filesize
8KB

Download
memory/3048-3-0x0000000000E40000-0x000000000157D000-memory.dmp

Filesize
7.2MB

Download
memory/3048-4-0x0000000000E40000-0x000000000157D000-memory.dmp

Filesize
7.2MB

Download