stealc | f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 01:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91.exe
Size

2.8MB
MD5

59f863caea4bf245e6bcd393f5314a6a
SHA1

5a4abb56b51aa4075f6a19263434780909aa1b8d
SHA256

f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91
SHA512

61bc38799da5ab0cf3ba145c9f9e3557f556653962a75467d1ac7886d800876ffde98125f0fc46a7ae92f3eb3d1e7829a31b01334fc1014f9e878f529ab018c6
SSDEEP

49152:fKoFw+fHvWLZ3PaiONXWeO4TM/TvgRpNMjXKmul:fKoFw+fHvU3SiknBM74+rKmul

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__	f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91.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\VideoBiosVersion	f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2400	f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91.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	f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2400	f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91.exe

C:\Users\Admin\AppData\Local\Temp\f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91.exe
"C:\Users\Admin\AppData\Local\Temp\f9039a246b1179bcd86164a0c1c07d09c0959398828ffa89cd1ffde3adedae91.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:2400

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/2400-0-0x0000000000140000-0x0000000000636000-memory.dmp

Filesize
5.0MB

Download
memory/2400-1-0x0000000077B70000-0x0000000077B72000-memory.dmp

Filesize
8KB

Download
memory/2400-2-0x0000000000141000-0x0000000000158000-memory.dmp

Filesize
92KB

Download
memory/2400-3-0x0000000000140000-0x0000000000636000-memory.dmp

Filesize
5.0MB

Download
memory/2400-4-0x0000000000140000-0x0000000000636000-memory.dmp

Filesize
5.0MB

Download