stealc | 968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa

Analysis

max time kernel
92s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:27

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General

Target

968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.exe
Size

1.8MB
MD5

dd529f774ea232f4da3934f9ea885ae1
SHA1

c85976533e55d0ac55b1035bba7f2b6aab205c5e
SHA256

968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa
SHA512

8a87561e866469dabf0d8d6ccf1b15f827526f7daf56ebbf897e5415d9dba5197f9869c8e4b3136a214e84a120e6380284181f98104ab28a37d58e62cd8b3d3a
SSDEEP

49152:V9rhr/iHaXoo4tgDe+FQF5LPnE1jnwsmvb8x:VlJorgW7fE1jd5

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.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	968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.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-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine	968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4220	968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.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	968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4220	968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.exe
4220	968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.exe

C:\Users\Admin\AppData\Local\Temp\968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.exe
"C:\Users\Admin\AppData\Local\Temp\968c80a2bd0481681bb6674ab957e9b1d15eb2992f62592a6946c79c1512c5fa.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:4220

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

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Downloads

memory/4220-0-0x00000000007E0000-0x0000000000E7B000-memory.dmp

Filesize
6.6MB

Download
memory/4220-1-0x0000000077914000-0x0000000077916000-memory.dmp

Filesize
8KB

Download
memory/4220-2-0x00000000007E1000-0x0000000000804000-memory.dmp

Filesize
140KB

Download
memory/4220-3-0x00000000007E0000-0x0000000000E7B000-memory.dmp

Filesize
6.6MB

Download
memory/4220-4-0x00000000007E0000-0x0000000000E7B000-memory.dmp

Filesize
6.6MB

Download