stealc | 7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 02:24

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General

Target

7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe
Size

1.8MB
MD5

95f3ca862e25c3f480a223ccccb012df
SHA1

b7f990086951e53c2793bbb1c7de6132e8ac768d
SHA256

7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d
SHA512

09908bde9d4ebf05c48cb0cbc54a90f723147aaafc4f17ba32dc24bba6f15107de0d558a2a943d094fc86634eef5af3edd11665dde073c57cfcf1ce3c116c70e
SSDEEP

24576:EBgZCW33QJQe1YeHmdJdtH0qyq+jjsfihwBN47UV4CMl/D+jHcMEWrh3XqJrMy:EGCWHkQeGeGdztH0PjkyaZjHRhHqJ

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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

Processes:

7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.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

Processes:

7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.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

Processes:

7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe

pid	Process
2676	7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.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

Processes:

7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe

pid	Process
2676	7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe

C:\Users\Admin\AppData\Local\Temp\7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.exe
"C:\Users\Admin\AppData\Local\Temp\7580f9bc9e52aac6601e68fc96ccde08e25bbea4be52f6070b56a3a786ffc60d.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:2676

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/2676-0-0x00000000011B0000-0x0000000001859000-memory.dmp

Filesize
6.7MB

Download
memory/2676-1-0x0000000077070000-0x0000000077072000-memory.dmp

Filesize
8KB

Download
memory/2676-2-0x00000000011B1000-0x00000000011C8000-memory.dmp

Filesize
92KB

Download
memory/2676-3-0x00000000011B0000-0x0000000001859000-memory.dmp

Filesize
6.7MB

Download
memory/2676-4-0x00000000011B0000-0x0000000001859000-memory.dmp

Filesize
6.7MB

Download