stealc | 279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 01:14

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General

Target

279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386.exe
Size

2.8MB
MD5

a27dc7b161d6882d6d404b8396f653b3
SHA1

4d2e8b39d153ffd39d20505c71c5e35799e202aa
SHA256

279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386
SHA512

77cd1db54cb97a6e8291448604f72046e6beb8c6643de547ccf79cb1599416a66799f4df2a9e0746ab9b3ccaa64d7795d373beb4b982487f5a627dc81bc2fad4
SSDEEP

49152:8BFIGzl11KmxmcZMqg9JpjRTmd/v9yKBESoE0V4:wIGR11KmxmcZVgrpgd/v9HESWV4

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__	279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386.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	279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3028	279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386.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	279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3028	279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386.exe

C:\Users\Admin\AppData\Local\Temp\279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386.exe
"C:\Users\Admin\AppData\Local\Temp\279887d41feda1e7073ce3b07ddea1a3e56008b8271f4bb6d33ea07046311386.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:3028

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/3028-0-0x0000000000CA0000-0x0000000001193000-memory.dmp

Filesize
4.9MB

Download
memory/3028-1-0x0000000077A30000-0x0000000077A32000-memory.dmp

Filesize
8KB

Download
memory/3028-3-0x0000000000CA0000-0x0000000001193000-memory.dmp

Filesize
4.9MB

Download
memory/3028-2-0x0000000000CA1000-0x0000000000CB5000-memory.dmp

Filesize
80KB

Download
memory/3028-4-0x0000000000CA0000-0x0000000001193000-memory.dmp

Filesize
4.9MB

Download