stealc | 996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 12:23

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General

Target

996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe
Size

2.7MB
MD5

a3167f62b73228ed7426a8d61a1d8e65
SHA1

8bf6c8c90144e23f799db7a82f990f6f57643655
SHA256

996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085
SHA512

eb6d9284041877dd3a0a23b1890b3b64aae5b59cbf5cc0366d2e1f73273a77bca06ea8acf7eef2636387a5337df66723edc5ce3046d9f36d4c4973bd21fca3b1
SSDEEP

49152:z2e2Rw0skJ7kKvkoGK7vWFuXyuUXz6/mRDfxpCk4:z2/Rw0bJ7kKvkvKjWFU0jSsDf3Ck4

Score

10^/10

stealc rave discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

rave

http://185.215.113.103

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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\VideoBiosVersion	996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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-1-5-21-355097885-2402257403-2971294179-1000\Software\Wine	996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2988	996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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	996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2988	996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe
2988	996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe

C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe
"C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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:2988

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/2988-0-0x00000000000B0000-0x0000000000589000-memory.dmp

Filesize
4.8MB

Download
memory/2988-1-0x0000000077824000-0x0000000077826000-memory.dmp

Filesize
8KB

Download
memory/2988-3-0x00000000000B0000-0x0000000000589000-memory.dmp

Filesize
4.8MB

Download
memory/2988-2-0x00000000000B1000-0x00000000000C5000-memory.dmp

Filesize
80KB

Download
memory/2988-5-0x00000000000B0000-0x0000000000589000-memory.dmp

Filesize
4.8MB

Download