stealc | 7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 02:40

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General

Target

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe
Size

1.8MB
MD5

5d5b34c976fa92c5652722de16d2e98b
SHA1

dc9e11721bb7920305e240ba778b8b0d903f3a3a
SHA256

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20
SHA512

514757c5dd3974fdbc7cdc11aae9783efea0630faeefa9a8a7041752ffd8893e3499b691f285164fc8ed90cc49d97e3a6d9d6678145b75967abd62b4f61d2291
SSDEEP

49152:J6cMo8LwRCUnx8quXy42AKEPRDrRZmUWC6v:QcZkJUn0XyxAKy/mp

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:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.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:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.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:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

pid process

328 7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

pid	process
328	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.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:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

pid process

328 7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

pid	process
328	7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe

C:\Users\Admin\AppData\Local\Temp\7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.exe
"C:\Users\Admin\AppData\Local\Temp\7eafd68e2bbc31f1594debcbbbaa7d782436befb508e7672e70dadc075a17f20.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:328

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/328-0-0x0000000000EC0000-0x0000000001574000-memory.dmp

Filesize
6.7MB

Download
memory/328-1-0x00000000775B0000-0x00000000775B2000-memory.dmp

Filesize
8KB

Download
memory/328-2-0x0000000000EC1000-0x0000000000ED8000-memory.dmp

Filesize
92KB

Download
memory/328-3-0x0000000000EC0000-0x0000000001574000-memory.dmp

Filesize
6.7MB

Download
memory/328-4-0x0000000000EC0000-0x0000000001574000-memory.dmp

Filesize
6.7MB

Download