stealc | 8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-09-2024 01:58

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General

Target

8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36.exe
Size

1.7MB
MD5

68542ccb1dbce6ed08f452a53d9d08c0
SHA1

edb30c1007a946c76ae51acf3b45918ede16c3e4
SHA256

8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36
SHA512

986ca0ee77d3418d0c2e5e80e8ae92eca560c18eb8ecbb4046b3e6c6fd9cf5980c77af860e703289bba0ccd51ed8ca2b2cf51b735b098c06f546123178b6d25c
SSDEEP

24576:p0mPX28WP5DdhvW+D4uYBCxHPtHefAD1zLX2dj5IkixLQrYSXhqlARJnQhq:qT8WP5D37t+fYzyFALdAql42

Score

10^/10

stealc leva discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

leva

http://185.215.113.100

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__	8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36.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	8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2112	8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36.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	8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2112	8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36.exe

C:\Users\Admin\AppData\Local\Temp\8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36.exe
"C:\Users\Admin\AppData\Local\Temp\8e84c53178f9724d608c00a624e3efa68492d9269949a98eda8d5687c9c5cb36.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:2112

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/2112-0-0x00000000000D0000-0x0000000000751000-memory.dmp

Filesize
6.5MB

Download
memory/2112-1-0x0000000077CF0000-0x0000000077CF2000-memory.dmp

Filesize
8KB

Download
memory/2112-2-0x00000000000D1000-0x00000000000E5000-memory.dmp

Filesize
80KB

Download
memory/2112-3-0x00000000000D0000-0x0000000000751000-memory.dmp

Filesize
6.5MB

Download
memory/2112-5-0x00000000000D0000-0x0000000000751000-memory.dmp

Filesize
6.5MB

Download