stealc | 3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf

Analysis

max time kernel
94s
max time network
137s
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 04:35

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General

Target

3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.exe
Size

1.7MB
MD5

ed06943d9d911219cd6f78939799044b
SHA1

50aa51c40a252a5ba8a387413c469fb110ca13be
SHA256

3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf
SHA512

2f05d1b8328bf6178dffaa6941106496e1dfd53a8ad793ac236d3aa98f5332c5cc4250552a10f566af563e072bb0e7506007f6aac26bf44bbfab963269500ce2
SSDEEP

49152:m3P5g5fza7HUqaBz2o8dSV2cR67bnMpigBT9QSX:IW7aDzy+MIc4PMpigBxr

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.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	3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2460	3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.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	3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2460	3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.exe
2460	3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.exe

C:\Users\Admin\AppData\Local\Temp\3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.exe
"C:\Users\Admin\AppData\Local\Temp\3f6b3352787de33b73d5248a1a21575fb674094cd80082665ec9a3894d312aaf.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:2460

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

Replay Monitor

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Downloads

memory/2460-0-0x0000000000D70000-0x00000000013F8000-memory.dmp

Filesize
6.5MB

Download
memory/2460-1-0x00000000772D4000-0x00000000772D6000-memory.dmp

Filesize
8KB

Download
memory/2460-2-0x0000000000D71000-0x0000000000D88000-memory.dmp

Filesize
92KB

Download
memory/2460-3-0x0000000000D70000-0x00000000013F8000-memory.dmp

Filesize
6.5MB

Download
memory/2460-4-0x0000000000D70000-0x00000000013F8000-memory.dmp

Filesize
6.5MB

Download