stealc | 3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a

Analysis

max time kernel
94s
max time network
144s
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 00:26

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General

Target

3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.exe
Size

1.7MB
MD5

f1e366ad60517378a573ea674a0d3e46
SHA1

8c43ca21cdf8db929f625e9a8e645db3dafc8357
SHA256

3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a
SHA512

f71229b4f35bc884a156a0895c334c6890217860cfb2e4031f7f6ff61671c338d7ed04f98887c8a9841c225c1de03107e38acd5d640243515a6698bddff0048f
SSDEEP

24576:oL/D8UctSBtm2/wnZBwrconfk0jnaRcODZH+Hh/igf1h+BlAkR2KCjOzs1d:Ar+2QZ6zn7ODZeHhKgf1EyZOzq

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__	3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.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	3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1276	3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.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	3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1276	3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.exe
1276	3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.exe

C:\Users\Admin\AppData\Local\Temp\3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.exe
"C:\Users\Admin\AppData\Local\Temp\3e303b758c00f623ff1ccfd6abc322de7e2985b6ec707d5901853d525605902a.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:1276

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/1276-0-0x0000000000070000-0x0000000000707000-memory.dmp

Filesize
6.6MB

Download
memory/1276-3-0x0000000000071000-0x0000000000088000-memory.dmp

Filesize
92KB

Download
memory/1276-2-0x0000000004E50000-0x0000000004E51000-memory.dmp

Filesize
4KB

Download
memory/1276-1-0x0000000077A14000-0x0000000077A16000-memory.dmp

Filesize
8KB

Download
memory/1276-5-0x0000000000070000-0x0000000000707000-memory.dmp

Filesize
6.6MB

Download