stealc | 4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e

Analysis

max time kernel
135s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 11:24

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General

Target

4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.exe
Size

2.0MB
MD5

f90375f8e64683a1e963e784233f831a
SHA1

80488543986272f5e652f4d771bacb3d3e67b728
SHA256

4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e
SHA512

d532dff46a10aff2da7cac37c42605ef5e6717d832e7e720064da4c1bd9c632d5f163e3f3257831d76df4cbfcec74e92970958da2cc9894cae72795e168f5e83
SSDEEP

49152:MvE93pQhpm1CU7Q4MVKbcmfL13AndjOojtmYFy:MvEF+vZNVgDm3IYI

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.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	4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5064	4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.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	4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5064	4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.exe
5064	4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.exe

C:\Users\Admin\AppData\Local\Temp\4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.exe
"C:\Users\Admin\AppData\Local\Temp\4281246ee48d0bc2b1cc39515f3410d38a43495867e1ee4c0079f0843600af7e.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:5064

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/5064-0-0x0000000000A60000-0x000000000118C000-memory.dmp

Filesize
7.2MB

Download
memory/5064-1-0x0000000077654000-0x0000000077656000-memory.dmp

Filesize
8KB

Download
memory/5064-2-0x0000000000A61000-0x0000000000AC9000-memory.dmp

Filesize
416KB

Download
memory/5064-3-0x0000000000A60000-0x000000000118C000-memory.dmp

Filesize
7.2MB

Download
memory/5064-4-0x0000000000A60000-0x000000000118C000-memory.dmp

Filesize
7.2MB

Download