stealc | e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 02:51

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General

Target

e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe
Size

1.7MB
MD5

4941a1e66629685b04e2827d152a3f29
SHA1

d93f6b156665d579dfa3b3db2c200aafc38351bc
SHA256

e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9
SHA512

95dd05947ee0c9ff0c79a1af57205b44caef2fde0a603890a155672f5c71610e9aca734198c9d7ae1f2429697dd0ff1e30b80f612e12fb6d5896418dfc4c924a
SSDEEP

49152:XZL8wXyG2E3CwlklxEWKyp5yO5qrfotyhZK/v:X5Hyo3jCKyp5y5rwty7KX

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:

e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.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:

e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.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:

e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe

pid	Process
2364	e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.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:

e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe

pid	Process
2364	e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe

C:\Users\Admin\AppData\Local\Temp\e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.exe
"C:\Users\Admin\AppData\Local\Temp\e3bdc698aa1a8d907573be38adca42165e9ddbedacb673601c0e825ab15f0fa9.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:2364

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/2364-0-0x0000000000320000-0x00000000009C9000-memory.dmp

Filesize
6.7MB

Download
memory/2364-1-0x0000000077400000-0x0000000077402000-memory.dmp

Filesize
8KB

Download
memory/2364-2-0x0000000000321000-0x0000000000338000-memory.dmp

Filesize
92KB

Download
memory/2364-3-0x0000000000320000-0x00000000009C9000-memory.dmp

Filesize
6.7MB

Download
memory/2364-4-0x0000000000320000-0x00000000009C9000-memory.dmp

Filesize
6.7MB

Download