stealc | 2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 01:17

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General

Target

2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778.exe
Size

2.8MB
MD5

50ac31ca3622476b9bb8bf58f573aca4
SHA1

069ca3c71c9f51f38946f53ffcae2f40e8fbccea
SHA256

2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778
SHA512

dc81d2239617836cd2cd49c008590209584392ed308b99c795ba27f63d55f2e73de8a15500ca66d50b9a1b50519013d43b9937b7f59aad4b31382a4b9578ac9c
SSDEEP

49152:lXAUm4JYY/H3MwfkaZ/e4ir50NMT99/ol1cMmDz/hcD6W/:ZAUm4JYY/8wcaZG4ir50GTCpmk/

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__	2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778.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	2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2064	2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778.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	2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2064	2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778.exe

C:\Users\Admin\AppData\Local\Temp\2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778.exe
"C:\Users\Admin\AppData\Local\Temp\2402746c25bd727ed3aaf74de34e4125a0bee60788673b02b98b87aca157b778.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:2064

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/2064-0-0x00000000001B0000-0x00000000006AF000-memory.dmp

Filesize
5.0MB

Download
memory/2064-1-0x0000000077230000-0x0000000077232000-memory.dmp

Filesize
8KB

Download
memory/2064-2-0x00000000001B1000-0x00000000001C8000-memory.dmp

Filesize
92KB

Download
memory/2064-3-0x00000000001B0000-0x00000000006AF000-memory.dmp

Filesize
5.0MB

Download
memory/2064-4-0x00000000001B0000-0x00000000006AF000-memory.dmp

Filesize
5.0MB

Download