stealc | 093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 20:46

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General

Target

093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.exe
Size

1.7MB
MD5

8c17c01b5f71d43e589090f60c268c87
SHA1

4771bfc3d92339f2b13ede8f2a099de86b6acdd3
SHA256

093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf
SHA512

11c83623a029cabbfd624b3205636312bed404cd1138b692dcb8fd074b681f90d90d8e1fdbd5d8bcfa2d3482aec92ce56e1f3d56f012ae28ea70ef89737ea036
SSDEEP

49152:Sb6CRw8ZN9i06U+n3EAhzxAcGRIKvqfxnvxdgLnswy:Sb6SZN9tZ00WdAJIXM

Score

10^/10

stealc stok defense_evasion discovery 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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.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	093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.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.

defense_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	093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1904	093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.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	093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1904	093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.exe
1904	093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.exe

C:\Users\Admin\AppData\Local\Temp\093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.exe
"C:\Users\Admin\AppData\Local\Temp\093b4e949d5d1cc9bbefce47d5dfd85ce66936f5ca616f6ab67e87f32c6927bf.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:1904

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/1904-0-0x0000000000010000-0x0000000000697000-memory.dmp

Filesize
6.5MB

Download
memory/1904-1-0x0000000077034000-0x0000000077036000-memory.dmp

Filesize
8KB

Download
memory/1904-2-0x0000000000011000-0x0000000000028000-memory.dmp

Filesize
92KB

Download
memory/1904-4-0x0000000000010000-0x0000000000697000-memory.dmp

Filesize
6.5MB

Download
memory/1904-3-0x0000000000010000-0x0000000000697000-memory.dmp

Filesize
6.5MB

Download