stealc | 54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 01:14

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General

Target

54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.exe
Size

1.7MB
MD5

d2aa907a5c14b7acb1b00f7a03dd9890
SHA1

a1b53566124052a4537065e6e63009ecffc9fbe7
SHA256

54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e
SHA512

eba1f2e8858da3ff856594d8b2fea67f0416ce0f36fb92ae01b9b13028e9a216a833e06f7ac0838f3a0cf6488a11685138e8911ea4e07dca417fb054d5b1256e
SSDEEP

49152:LMEi3MPI2LfxlIFwSzQAwT/0JVvyJF2+OXkFw+bB/Z:I93J2b3SzQAwTEVvU2+mkFXB/Z

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__	54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.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	54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2324	54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.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	54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2324	54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.exe
2324	54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.exe

C:\Users\Admin\AppData\Local\Temp\54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.exe
"C:\Users\Admin\AppData\Local\Temp\54b957849ed27245d83da62afb8adaa184e9e91934d99988a676f2f97c97556e.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:2324

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/2324-0-0x0000000000C20000-0x00000000012A0000-memory.dmp

Filesize
6.5MB

Download
memory/2324-1-0x0000000076ED4000-0x0000000076ED6000-memory.dmp

Filesize
8KB

Download
memory/2324-2-0x0000000000C21000-0x0000000000C38000-memory.dmp

Filesize
92KB

Download
memory/2324-4-0x0000000000C20000-0x00000000012A0000-memory.dmp

Filesize
6.5MB

Download
memory/2324-5-0x0000000000C20000-0x00000000012A0000-memory.dmp

Filesize
6.5MB

Download