stealc | 6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae

Analysis

max time kernel
94s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 16:50

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General

Target

6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.exe
Size

2.1MB
MD5

fffdaffb81d0e752ae14ba04b8b6064f
SHA1

3056c80dfded82c41b439c8344f6aa62c745398c
SHA256

6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae
SHA512

af6f7054117ee499a835100c2c9b069b4e036db9f271fba6e44c749346b515470362086aef59b4f56d1e7fb988eda6db55c7360a702a343e1564afdec66ff112
SSDEEP

49152:W8cpBUJyZvF9sB3vQhcw91xvHeQDZxQN3KTIvl54A/KjvLN+WZEdy:spngohcw5HeQVaF/4A/evZRW

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__	6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.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	6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2244	6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.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	6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2244	6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.exe
2244	6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.exe

C:\Users\Admin\AppData\Local\Temp\6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.exe
"C:\Users\Admin\AppData\Local\Temp\6b54559b4d5c5e0413800f434d2fc29409020ad60ba08e65f6df117907e651ae.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:2244

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/2244-0-0x0000000000B50000-0x000000000128D000-memory.dmp

Filesize
7.2MB

Download
memory/2244-1-0x00000000774E4000-0x00000000774E6000-memory.dmp

Filesize
8KB

Download
memory/2244-2-0x0000000000B51000-0x0000000000BB9000-memory.dmp

Filesize
416KB

Download
memory/2244-3-0x0000000000B50000-0x000000000128D000-memory.dmp

Filesize
7.2MB

Download
memory/2244-4-0x0000000000B50000-0x000000000128D000-memory.dmp

Filesize
7.2MB

Download