stealc | dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 14:16

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General

Target

dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.exe
Size

2.1MB
MD5

78bde34f1c631d62b7b03724cb7d3ac8
SHA1

87cdac6de92bdce5681d3a6a2ac7c560b8652878
SHA256

dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839
SHA512

04a701ee459cf3b61224f947ce4e45f80120566ae8c4e88aa56f965381d8cc7ec65bfec685ddf5c003108cea8e413bbcaff881c43c8c3162833daf9a86a07752
SSDEEP

49152:TJ3ZpIy0ydiSNme/Bmc1mBMeUdpMXPMYrME8G0:mkiSAep/1mKq/MYIbG

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__	dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.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	dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2028	dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.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	dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2028	dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.exe
2028	dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.exe

C:\Users\Admin\AppData\Local\Temp\dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.exe
"C:\Users\Admin\AppData\Local\Temp\dee256c3e58e4733609a4dad971c8c868ba1c833a1fd9b97fc0335b0c5c2b839.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:2028

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/2028-0-0x0000000000600000-0x0000000000D3B000-memory.dmp

Filesize
7.2MB

Download
memory/2028-1-0x0000000077034000-0x0000000077036000-memory.dmp

Filesize
8KB

Download
memory/2028-2-0x0000000000601000-0x0000000000669000-memory.dmp

Filesize
416KB

Download
memory/2028-3-0x0000000000600000-0x0000000000D3B000-memory.dmp

Filesize
7.2MB

Download
memory/2028-5-0x0000000000600000-0x0000000000D3B000-memory.dmp

Filesize
7.2MB

Download