stealc | 29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598

Analysis

max time kernel
95s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 04:06

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General

Target

29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe
Size

1.8MB
MD5

484a61fde611c70fb8c839df92cf985e
SHA1

5d9560536a1b329eaa5b36381536f1082c0ff6da
SHA256

29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598
SHA512

ca912e4234abe6810e74285aea635a132d30462f6d3894fc64a81ea7e8c23b47d499b450d4cad7c723ffe742db669a4ec1916534d58a0ba6340cbff080e60eb9
SSDEEP

49152:jaYz50DSURgiEQmRL6WyVrGJGI84OJv919:Z8giP0yVCJMv9

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:

29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.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:

29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.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:

29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe

pid process

3728 29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.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:

29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe

pid	process
3728	29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe
3728	29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe

C:\Users\Admin\AppData\Local\Temp\29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.exe
"C:\Users\Admin\AppData\Local\Temp\29782f0ac19c69804afcfbb6186c7729cf956e9f13ea337537c777f532699598.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:3728

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/3728-0-0x0000000000240000-0x00000000008F2000-memory.dmp

Filesize
6.7MB

Download
memory/3728-1-0x00000000775F4000-0x00000000775F6000-memory.dmp

Filesize
8KB

Download
memory/3728-2-0x0000000000241000-0x0000000000258000-memory.dmp

Filesize
92KB

Download
memory/3728-3-0x0000000000240000-0x00000000008F2000-memory.dmp

Filesize
6.7MB

Download
memory/3728-4-0x0000000000240000-0x00000000008F2000-memory.dmp

Filesize
6.7MB

Download