stealc | 7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 02:56

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General

Target

7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.exe
Size

2.1MB
MD5

47bd0f65bdd541918d45ecddc51e18b3
SHA1

1f3dd28e412bd2875f15d4c6df882feac5268b04
SHA256

7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187
SHA512

e2853fe2bb2edcef933e57ccca76c234e8115c630598bdf6af0c6dea32c01d90d0ad83122b72b1daf620eef4bf946e0b0295536afae9c097a03828f3149f9808
SSDEEP

49152:qMpNaNrfpTZ0chaE/+GSvNcIQ8EVcuFPb+9:h6NNTZ0LE/BS6ZV1jm

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__	7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.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	7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3676	7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.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	7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3676	7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.exe
3676	7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.exe

C:\Users\Admin\AppData\Local\Temp\7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.exe
"C:\Users\Admin\AppData\Local\Temp\7b01c8a4a7c7efa68631acb7979c62672b51cdd464ec181564db8578f0a26187.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:3676

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/3676-0-0x0000000000410000-0x0000000000B4B000-memory.dmp

Filesize
7.2MB

Download
memory/3676-1-0x00000000777B4000-0x00000000777B6000-memory.dmp

Filesize
8KB

Download
memory/3676-2-0x0000000000411000-0x0000000000479000-memory.dmp

Filesize
416KB

Download
memory/3676-3-0x0000000000410000-0x0000000000B4B000-memory.dmp

Filesize
7.2MB

Download
memory/3676-4-0x0000000000410000-0x0000000000B4B000-memory.dmp

Filesize
7.2MB

Download