stealc | afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2

Analysis

max time kernel
75s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 04:09

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General

Target

afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2.exe
Size

2.0MB
MD5

491757c041a6ec368798e02d52b3ae11
SHA1

6a36c4ff3abbfdff2298c209f1db002533a73a5f
SHA256

afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2
SHA512

cb21cc14835fda07cc3a62c3d80d0a8975964728870f4c6c23e280a587e4660868705ad00c8ea021b0a85542e66dafc852ec0f7e145e66561be28f1484c87fbe
SSDEEP

49152:uQKm1bmmIpA1bDNy5QtbwcxSsSFBbYuTmU:uxy11Ny5Qtbw2SsSFBvTm

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2.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	afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2116	afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2.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	afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2116	afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2.exe

C:\Users\Admin\AppData\Local\Temp\afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2.exe
"C:\Users\Admin\AppData\Local\Temp\afb31fd8907f9a9b177922c6809f4b066d7c7003bffe4bbfe2e317a57ed310e2.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:2116

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/2116-0-0x00000000012E0000-0x00000000019F9000-memory.dmp

Filesize
7.1MB

Download
memory/2116-1-0x0000000077DD0000-0x0000000077DD2000-memory.dmp

Filesize
8KB

Download
memory/2116-3-0x00000000012E0000-0x00000000019F9000-memory.dmp

Filesize
7.1MB

Download
memory/2116-2-0x00000000012E1000-0x0000000001349000-memory.dmp

Filesize
416KB

Download
memory/2116-4-0x00000000012E0000-0x00000000019F9000-memory.dmp

Filesize
7.1MB

Download