stealc | bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 02:38

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General

Target

bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe
Size

1.7MB
MD5

d54b0c8f7977a9e67948bab655fb380e
SHA1

0ddd15bf45362013fb845f4b6155ab40f039cafe
SHA256

bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859
SHA512

839c0605b497a6e38040dc2d6e261ee803d41149177b87928d29b9d7302c7a59e10732cdffc2a990b016cdf8899a782f3f25307717709ee27b5f51928afc4ddd
SSDEEP

49152:FNudjp3W9Su9p1y9+Wup3FGoL0XcS+kPe:/unGwejH00kPe

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:

bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.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:

bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.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:

bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe

pid	Process
1564	bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.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:

bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe

pid	Process
1564	bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe

C:\Users\Admin\AppData\Local\Temp\bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.exe
"C:\Users\Admin\AppData\Local\Temp\bba96c9d29c016a476eb149b7bda86ef059dc25246555f4212d95be8f98e3859.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:1564

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/1564-0-0x0000000000260000-0x00000000008DE000-memory.dmp

Filesize
6.5MB

Download
memory/1564-1-0x0000000077440000-0x0000000077442000-memory.dmp

Filesize
8KB

Download
memory/1564-2-0x0000000000261000-0x0000000000278000-memory.dmp

Filesize
92KB

Download
memory/1564-3-0x0000000000260000-0x00000000008DE000-memory.dmp

Filesize
6.5MB

Download
memory/1564-4-0x0000000000260000-0x00000000008DE000-memory.dmp

Filesize
6.5MB

Download