stealc | 17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2025 04:58

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General

Target

17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.exe
Size

1.7MB
MD5

52ac46f22b9a5c1fd795f96040c152fa
SHA1

3836fb7fb5fcfc0aca64ea7eb131599d5015069a
SHA256

17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3
SHA512

47f59e96ac63a752299caccde0cafd6c984d9262d8a642f775d177b53ee47cb5224ad103be4328f5242dd2d8182f8652c8e83025ba567797e18e530022b21b60
SSDEEP

49152:4L/tze/tz0Ys2mvbI8SNtynkiySBmaCBR3ZnLfGlFVm5WF:ei0YbySb0yo3uNZSnVmAF

Score

10^/10

stealc stok defense_evasion discovery 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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.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	17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1648	17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.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	17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1648	17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.exe
1648	17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.exe

C:\Users\Admin\AppData\Local\Temp\17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.exe
"C:\Users\Admin\AppData\Local\Temp\17ee09d8a9c80e91d68ad11fb51a10d21f6debbc7793d6e04e3a9cf0bf4ac3a3.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:1648

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/1648-0-0x0000000000B80000-0x000000000120E000-memory.dmp

Filesize
6.6MB

Download
memory/1648-1-0x0000000077D84000-0x0000000077D86000-memory.dmp

Filesize
8KB

Download
memory/1648-2-0x0000000000B81000-0x0000000000B98000-memory.dmp

Filesize
92KB

Download
memory/1648-4-0x0000000000B80000-0x000000000120E000-memory.dmp

Filesize
6.6MB

Download
memory/1648-5-0x0000000000B80000-0x000000000120E000-memory.dmp

Filesize
6.6MB

Download