stealc | 15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 22:02

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General

Target

15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.exe
Size

2.7MB
MD5

54fda3aeec860324d9e721bf82b9b350
SHA1

872ca4ade7427e03993c88062cb5ab0e277a42f5
SHA256

15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18
SHA512

759ccde261a42543cd5e829cd3fec876ed14eeb888f1295680201a9640c039ec6423add1e96ad44c84b138f2cd4094e0ebba9a0df0580a5861d972a5cabb7ee1
SSDEEP

24576:nLk+07DQLpG+lqM89oNkTf4qdbiw6PF1NP5Z5ksZ+fvy2oSnNvmAQ9SJLWsfNp6r:LWL+lw73QVFbyJoSQ9wL7T65qI+1k

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__	15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.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	15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.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	15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1764	15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.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	15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1764	15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.exe
1764	15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.exe

C:\Users\Admin\AppData\Local\Temp\15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.exe
"C:\Users\Admin\AppData\Local\Temp\15ee29e0c43b3388d79d2202698a751aa77f6226f0f5249d118e6522115a2a18N.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:1764

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/1764-0-0x00000000002A0000-0x0000000000790000-memory.dmp

Filesize
4.9MB

Download
memory/1764-1-0x00000000779F4000-0x00000000779F6000-memory.dmp

Filesize
8KB

Download
memory/1764-2-0x00000000002A1000-0x00000000002B8000-memory.dmp

Filesize
92KB

Download
memory/1764-3-0x00000000002A0000-0x0000000000790000-memory.dmp

Filesize
4.9MB

Download
memory/1764-4-0x00000000002A0000-0x0000000000790000-memory.dmp

Filesize
4.9MB

Download