stealc | c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad.exe
Size

1.7MB
MD5

2fc6ddd1e828cb0c9f8e9312f4ad7054
SHA1

a1757f24ac7264fb98a43f08c65c668f64e3551a
SHA256

c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad
SHA512

1940313198ca63dc18f546451b9ace2d42b99473ad2e0ab66ed4da40247b853ade45119fb183bf5a8942c622732b42c91a22b92430d5b962929a536fe5844d40
SSDEEP

49152:GfiEtkbZITP09nLtNhZf4jzYDfEsyHPwcbf:GfiCkbZaP09Lxujq2Hlb

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Wine	c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1488	c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1488	c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad.exe

C:\Users\Admin\AppData\Local\Temp\c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad.exe
"C:\Users\Admin\AppData\Local\Temp\c327398b6888d4e2b63884a343226e59b9899420419f29cf82d14085058be1ad.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:1488

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1488-0-0x00000000002B0000-0x000000000095B000-memory.dmp

Filesize
6.7MB

Download
memory/1488-1-0x0000000077A00000-0x0000000077A02000-memory.dmp

Filesize
8KB

Download
memory/1488-2-0x00000000002B1000-0x00000000002C8000-memory.dmp

Filesize
92KB

Download
memory/1488-3-0x00000000002B0000-0x000000000095B000-memory.dmp

Filesize
6.7MB

Download
memory/1488-4-0x00000000002B0000-0x000000000095B000-memory.dmp

Filesize
6.7MB

Download