stealc | e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597

Analysis

max time kernel
120s
max time network
22s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 03:57

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General

Target

e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe
Size

1.7MB
MD5

7010a312218396fb110d427d8ebf4623
SHA1

06d2d4477ac4b7984400c61a0397b82678c3d47b
SHA256

e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597
SHA512

dcbc061488f847eb4c880ca7e28c6eb06915b6806098408524810fc643ee6a8b0eb6191f4a4bd3899e4699d643b91d1cc5e824d54d971e9bd445898b667c1c73
SSDEEP

24576:fVIhhuGqyQIrSITgOIubNQb6KAnOMK0HKKEfbULhQmo1936905EnoK5RLSEzqt97:uh8IrZhrO2KAnOMg5fbULhQmo19Cnqb7

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:

e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.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:

e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.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:

e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

pid process

2132 e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

pid	process
2132	e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.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:

e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

pid process

2132 e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

pid	process
2132	e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe

C:\Users\Admin\AppData\Local\Temp\e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.exe
"C:\Users\Admin\AppData\Local\Temp\e4983efea96005ce269cac4b31bae018cc91ff4f57f113be215472ae82525597.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:2132

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/2132-0-0x0000000000840000-0x0000000000ED5000-memory.dmp

Filesize
6.6MB

Download
memory/2132-1-0x0000000077DD0000-0x0000000077DD2000-memory.dmp

Filesize
8KB

Download
memory/2132-2-0x0000000000841000-0x0000000000858000-memory.dmp

Filesize
92KB

Download
memory/2132-3-0x0000000000840000-0x0000000000ED5000-memory.dmp

Filesize
6.6MB

Download
memory/2132-4-0x0000000000840000-0x0000000000ED5000-memory.dmp

Filesize
6.6MB

Download
memory/2132-5-0x0000000000840000-0x0000000000ED5000-memory.dmp

Filesize
6.6MB

Download
memory/2132-6-0x0000000000840000-0x0000000000ED5000-memory.dmp

Filesize
6.6MB

Download
memory/2132-8-0x0000000000840000-0x0000000000ED5000-memory.dmp

Filesize
6.6MB

Download