stealc | ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 02:54

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General

Target

ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe
Size

1.7MB
MD5

c39eb549a7dc6f9f6eeababcaea602dc
SHA1

33c34ab34eb843e347694db102e68ae0b59d9c29
SHA256

ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99
SHA512

8702781d879c22ef45362e0e539015670c3365724b519881ee6a7e10b241540080c196ddd52003b8395c338dbf8448485703b076e43c17e8466e41f41dc40ee4
SSDEEP

49152:6EAbSm7HDq7+ygwH+xvpQ2PgJ2RwjWQOViK:6Ea7HDq6Ekv9PggRwjWQO3

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.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

Processes:

ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.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

Processes:

ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.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

Processes:

ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe

pid	Process
1540	ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.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

Processes:

ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe

pid	Process
1540	ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe
1540	ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe

C:\Users\Admin\AppData\Local\Temp\ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.exe
"C:\Users\Admin\AppData\Local\Temp\ebd45bb1a1f3c24ca2c7c4d9c30efe71eea9b8246a750bd5722043703013af99.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:1540

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/1540-0-0x0000000000620000-0x0000000000CC4000-memory.dmp

Filesize
6.6MB

Download
memory/1540-1-0x0000000077934000-0x0000000077936000-memory.dmp

Filesize
8KB

Download
memory/1540-2-0x0000000000621000-0x0000000000638000-memory.dmp

Filesize
92KB

Download
memory/1540-3-0x0000000000620000-0x0000000000CC4000-memory.dmp

Filesize
6.6MB

Download
memory/1540-5-0x0000000000620000-0x0000000000CC4000-memory.dmp

Filesize
6.6MB

Download