stealc | ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b

Analysis

max time kernel
195s
max time network
255s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
14-10-2024 07:35

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General

Target

ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.exe
Size

1.8MB
MD5

d7838be8b569cafb4cea564966fda2fc
SHA1

7b7fe3d0a9eb983c42e07ff286211f6b2d5cedb5
SHA256

ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b
SHA512

73cd537c6cedadc8b671b49bf9b7a9b268b864692cbb97264bb907469d31e57ef4f5616a28b0eb03d988bc4c3c59fefe43233c14f10197a3a176bf2dff055e05
SSDEEP

49152:8Z7k/Ky0dHRV+5wBtNUws18aPR/biH8KT/C:KgSy8Hv+5wFU8aPpucKrC

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.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	ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.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-1-5-21-160447019-1232603106-4168707212-1000\Software\Wine	ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4104	ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.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	ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4104	ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.exe
4104	ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.exe

C:\Users\Admin\AppData\Local\Temp\ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.exe
"C:\Users\Admin\AppData\Local\Temp\ffc59032867051801848ed8b78e8fe9179b9b74130311475cecfa1b0b10c344b.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:4104

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/4104-0-0x0000000000140000-0x00000000007DD000-memory.dmp

Filesize
6.6MB

Download
memory/4104-1-0x0000000077274000-0x0000000077275000-memory.dmp

Filesize
4KB

Download
memory/4104-2-0x0000000000141000-0x0000000000164000-memory.dmp

Filesize
140KB

Download
memory/4104-3-0x0000000000140000-0x00000000007DD000-memory.dmp

Filesize
6.6MB

Download
memory/4104-4-0x0000000000140000-0x00000000007DD000-memory.dmp

Filesize
6.6MB

Download