stealc | 2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 12:14

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General

Target

2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.exe
Size

1.7MB
MD5

9cd3f2bc3c55d5a28ef32293fe1cac2a
SHA1

6c3052e5ff77ddf80b16eaa638f8a237dbe8e23c
SHA256

2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366
SHA512

4513ecfd50145d1afa72e543a654181b4f58e68f42926b440a83f29ab86294fae94987ba4e9325634fd031988e3fb6fe433918e6100a776299ec022b9232811b
SSDEEP

49152:gfKddkHGlOPD2+YFfHKqmoVLVw3D3YcY6agodl:gf2iOO72+YZbmW5w3T2godl

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__	2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.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	2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5032	2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.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	2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5032	2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.exe
5032	2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.exe

C:\Users\Admin\AppData\Local\Temp\2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.exe
"C:\Users\Admin\AppData\Local\Temp\2fed1945d261efd2439a5a3a578bbdc550540d950a5c94d1554df14256220366.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/5032-0-0x00000000009B0000-0x0000000001046000-memory.dmp

Filesize
6.6MB

Download
memory/5032-1-0x00000000779F4000-0x00000000779F6000-memory.dmp

Filesize
8KB

Download
memory/5032-2-0x00000000009B1000-0x00000000009C8000-memory.dmp

Filesize
92KB

Download
memory/5032-3-0x00000000009B0000-0x0000000001046000-memory.dmp

Filesize
6.6MB

Download
memory/5032-4-0x00000000009B0000-0x0000000001046000-memory.dmp

Filesize
6.6MB

Download