stealc | 122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3

Analysis

max time kernel
92s
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
17-12-2024 19:55

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General

Target

122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.exe
Size

1.8MB
MD5

6b7cca5a323f5e7087052dbe58f4c15a
SHA1

f98a92658e8f8d25f689955b1f657fbcdc30d88e
SHA256

122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3
SHA512

8d2e7398a2f5be0044d91dcaa60f4e020baf334d8d5c822dd777226295a21fea78863c1ae806a3ea810dc9664858bfe75cdfe692e62db31edce62f06c0b7c327
SSDEEP

24576:LXxMkX4JFVvXWkDBhybHlVpKFhmOqgBvr0pyc3TXvg+DEjibUCLuEarCpy+2qW3G:9MkSFVZElVcFhVqgFrPo0+DriERQ2PL

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__	122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.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	122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2520	122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.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	122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2520	122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.exe
2520	122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.exe

C:\Users\Admin\AppData\Local\Temp\122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.exe
"C:\Users\Admin\AppData\Local\Temp\122c8fa6cec8c75deff869aad3ee031709e084c3c46bdb5be25119f884b89fb3.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:2520

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/2520-0-0x0000000000BE0000-0x0000000001296000-memory.dmp

Filesize
6.7MB

Download
memory/2520-1-0x0000000077374000-0x0000000077376000-memory.dmp

Filesize
8KB

Download
memory/2520-2-0x0000000000BE1000-0x0000000000BF8000-memory.dmp

Filesize
92KB

Download
memory/2520-3-0x0000000000BE0000-0x0000000001296000-memory.dmp

Filesize
6.7MB

Download
memory/2520-4-0x0000000000BE0000-0x0000000001296000-memory.dmp

Filesize
6.7MB

Download