stealc | 585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258

Analysis

max time kernel
150s
max time network
149s
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 15:59

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General

Target

585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.exe
Size

2.0MB
MD5

ffdbb2444f2d91d386d3d79b2b06ca4c
SHA1

3a0d1b25b7da4f691f0fbe19b35aa78b4dc02206
SHA256

585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258
SHA512

23aa8860d1c332f89d635aca6eccb26c01fdeca90b2edc2f54efb62607def54032743b25cb952e72a6571a44d8b90175bb47fd67e9bb85472e3d994be92ce211
SSDEEP

49152:7k2iY4V/Fk9E5gDl7eWVRNhxiGwYmUKGzGvPCVLDVKKlMs:7kLFkT7eWRhxttVKGivKVLDVKKlM

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__	585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.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	585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1060	585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.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	585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1060	585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.exe
1060	585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.exe

C:\Users\Admin\AppData\Local\Temp\585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.exe
"C:\Users\Admin\AppData\Local\Temp\585bd2f3ba3016448044f523a8202aae62ab3fa37b9566f49dd14e4439899258.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:1060

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/1060-0-0x0000000000660000-0x0000000000D84000-memory.dmp

Filesize
7.1MB

Download
memory/1060-1-0x0000000077DE4000-0x0000000077DE6000-memory.dmp

Filesize
8KB

Download
memory/1060-2-0x0000000000661000-0x00000000006C9000-memory.dmp

Filesize
416KB

Download
memory/1060-3-0x0000000000660000-0x0000000000D84000-memory.dmp

Filesize
7.1MB

Download
memory/1060-4-0x0000000000660000-0x0000000000D84000-memory.dmp

Filesize
7.1MB

Download