stealc | 9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854

Analysis

max time kernel
94s
max time network
144s
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 02:30

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General

Target

9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe
Size

1.7MB
MD5

915ecb2949f1c2ad737caa35856b4584
SHA1

deaf66961d8b2dda755377ab791b8907b71cf9b5
SHA256

9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854
SHA512

bb015aeefc7151b3976e7643a143a0b9e3c47ab93d876186af9bd5dd582e900e21662f177f62021db803289b38d69839d26d463bf7d954ef8ab319289346cf0a
SSDEEP

49152:aIGvHJ5IqgYd4DInvoXmnNDCcdYUDSJ5wup:aIUIqgYd40nvNDp45Rp

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:

9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.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:

9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.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:

9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe

pid	Process
1328	9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.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:

9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe

pid	Process
1328	9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe
1328	9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe

C:\Users\Admin\AppData\Local\Temp\9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.exe
"C:\Users\Admin\AppData\Local\Temp\9784693e6d3fe06c253e47536652da2ac85aa94b2d05d83230b2f9734529f854.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:1328

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/1328-0-0x00000000009A0000-0x0000000001037000-memory.dmp

Filesize
6.6MB

Download
memory/1328-1-0x0000000077E94000-0x0000000077E96000-memory.dmp

Filesize
8KB

Download
memory/1328-2-0x00000000009A1000-0x00000000009B8000-memory.dmp

Filesize
92KB

Download
memory/1328-3-0x00000000009A0000-0x0000000001037000-memory.dmp

Filesize
6.6MB

Download
memory/1328-5-0x00000000009A0000-0x0000000001037000-memory.dmp

Filesize
6.6MB

Download