stealc | 5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 05:16

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General

Target

5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe
Size

1.7MB
MD5

61acee13f680dd57a06b13d1cc04cfcc
SHA1

11415b4452ac82299c47e10e981e8728a57d891e
SHA256

5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d
SHA512

b4458be1c6bbb29c8d2853bce7fed4237f2c8151314cff0a94587e435a8783b5c34e29a0cb6efb7979fcb2ce8f62930dc2d79abe55c6c126f56f8f328355ef11
SSDEEP

49152:F2I9nUXPhLNmDJvIB8AXnTP7X6MvfqehBg:pUX5LiJwzDP7tvyqB

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:

5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.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:

5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.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:

5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Wine	5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

pid process

2420 5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

pid	process
2420	5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.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:

5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

pid process

2420 5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

pid	process
2420	5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe

C:\Users\Admin\AppData\Local\Temp\5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.exe
"C:\Users\Admin\AppData\Local\Temp\5d7b7a5d6a3c291e33347301f3b116a375f9709a3f4ea5c3ec35eacaae59ca1d.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:2420

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/2420-0-0x0000000000E60000-0x00000000014FE000-memory.dmp

Filesize
6.6MB

Download
memory/2420-1-0x00000000772C0000-0x00000000772C2000-memory.dmp

Filesize
8KB

Download
memory/2420-2-0x0000000000E61000-0x0000000000E78000-memory.dmp

Filesize
92KB

Download
memory/2420-3-0x0000000000E60000-0x00000000014FE000-memory.dmp

Filesize
6.6MB

Download
memory/2420-4-0x0000000000E60000-0x00000000014FE000-memory.dmp

Filesize
6.6MB

Download