stealc | 5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 13:39

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General

Target

5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e.exe
Size

2.7MB
MD5

a2e7bea4344fd57b09e917ba50ecd482
SHA1

70d3de6bb6f8f19c4b500c3190b307c21259d2af
SHA256

5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e
SHA512

9f12fd0c2f92be564f27084bb1c765d5c0dc92eb9f929e60e2e19fb8bbe9d44c262515c0bf81d2191f5ebdd94edaba6e9042c08af75281193fd3dbfd7d8859dc
SSDEEP

49152:0P5IwAazK83ncTZYdJA6HbME4z4bQhFdaQlnR:0BIwAazz3cTZYdPnbQhXzn

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__	5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e.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	5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2844	5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e.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	5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2844	5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e.exe

C:\Users\Admin\AppData\Local\Temp\5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e.exe
"C:\Users\Admin\AppData\Local\Temp\5008900485671d1e697b9afb70829eaa472b379f94e925394ad7b5ab681bdf3e.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:2844

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/2844-0-0x0000000000D60000-0x0000000001253000-memory.dmp

Filesize
4.9MB

Download
memory/2844-1-0x00000000773E0000-0x00000000773E2000-memory.dmp

Filesize
8KB

Download
memory/2844-2-0x0000000000D61000-0x0000000000D78000-memory.dmp

Filesize
92KB

Download
memory/2844-3-0x0000000000D60000-0x0000000001253000-memory.dmp

Filesize
4.9MB

Download
memory/2844-4-0x0000000000D60000-0x0000000001253000-memory.dmp

Filesize
4.9MB

Download