stealc | 78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6

Analysis

max time kernel
93s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2024 11:58

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General

Target

78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.exe
Size

1.7MB
MD5

c70c219d988415347561167abd815428
SHA1

7672b4f7f1bec1fb679b75d8b056de1e22cf8c86
SHA256

78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6
SHA512

6cb316fa378dd96d4e67aa5f3ff60a975ddfc4a655dce32cd927dd059a13d419cb028a75982e3e3d72cdfd97f5fe4f4cc795660955a893ff4700bb8513e494e6
SSDEEP

49152:BOyuxSL5M6Wl5/wAfKXRM9wwT8EDl1oe:BOaFvu5oAR9wwAS

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__	78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.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	78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1636	78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.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	78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1636	78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.exe
1636	78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.exe

C:\Users\Admin\AppData\Local\Temp\78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.exe
"C:\Users\Admin\AppData\Local\Temp\78b460fe07346dc517a238c241ec02d8ae1181f9120fd8d0a88ba6571620fec6.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:1636

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/1636-0-0x0000000000DE0000-0x0000000001466000-memory.dmp

Filesize
6.5MB

Download
memory/1636-1-0x0000000077274000-0x0000000077276000-memory.dmp

Filesize
8KB

Download
memory/1636-2-0x0000000000DE1000-0x0000000000DF8000-memory.dmp

Filesize
92KB

Download
memory/1636-3-0x0000000000DE0000-0x0000000001466000-memory.dmp

Filesize
6.5MB

Download
memory/1636-4-0x0000000000DE0000-0x0000000001466000-memory.dmp

Filesize
6.5MB

Download