stealc | 63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 08:58

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General

Target

63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920.exe
Size

2.0MB
MD5

633f9512e18ffeee9daf308fc33c080c
SHA1

2b18defa7720c46b847a3e81c67296fe5b4e3efd
SHA256

63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920
SHA512

247e92acf56bcd8dfdaa6816cdb565efaf9e02d2a5b71cfeae700168390fd6bad0fb27dde7371a6baf51bb4398222941f1c9e75c2bad2b9d115fd301919aa5a4
SSDEEP

24576:Ag+VOouYY4dqYeDxp00Yp0nyvK/VYz+TrEqB+9dox6pRwyU0w2jDP+Nx+sojd2ng:h+VOout2eDxpoZK/VYGv6zdDFjJ6c6N

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__	63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920.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	63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
328	63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920.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	63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
328	63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920.exe

C:\Users\Admin\AppData\Local\Temp\63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920.exe
"C:\Users\Admin\AppData\Local\Temp\63d5dae30a2008d6a858e421ed4716c83b4aa8677c56d804e1ef96086ecff920.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:328

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/328-0-0x0000000001270000-0x0000000001984000-memory.dmp

Filesize
7.1MB

Download
memory/328-1-0x00000000775B0000-0x00000000775B2000-memory.dmp

Filesize
8KB

Download
memory/328-2-0x0000000001271000-0x00000000012D9000-memory.dmp

Filesize
416KB

Download
memory/328-3-0x0000000001270000-0x0000000001984000-memory.dmp

Filesize
7.1MB

Download
memory/328-4-0x0000000001270000-0x0000000001984000-memory.dmp

Filesize
7.1MB

Download