stealc | 707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/02/2025, 04:48

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General

Target

707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94.exe
Size

1.7MB
MD5

b6ffc39dcfeb0b682bffea56a56ec8d9
SHA1

20bfa4039ad577ddade423bd283ee462891cd172
SHA256

707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94
SHA512

3191c4f5ce8ec7861abdadedc07e8b0bf6582deeae894b78cd131de2d2363ee384c24a1f9aeb67a3d0f7892a5b933f7f8aa4abb609fb5c72153b358231ecc182
SSDEEP

24576:avybTMuQ9LY0z2rEBo8RJrjLWr3QEckgEszfQubmA4AmjuH0mOI52SNx8sb9V098:aqbTQ900SrEBDJHDzorduHgI546qS

Score

10^/10

stealc reno defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

reno

http://185.215.113.115

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__	707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94.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	707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94.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-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2720	707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94.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	707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2720	707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94.exe

C:\Users\Admin\AppData\Local\Temp\707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94.exe
"C:\Users\Admin\AppData\Local\Temp\707661ffc447e84fe98b946e5c58be59eca9a4638526a29bcf196491591d4a94.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:2720

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

Replay Monitor

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Downloads

memory/2720-0-0x0000000000D70000-0x0000000001417000-memory.dmp

Filesize
6.7MB

Download
memory/2720-1-0x00000000771E0000-0x00000000771E2000-memory.dmp

Filesize
8KB

Download
memory/2720-2-0x0000000000D71000-0x0000000000D88000-memory.dmp

Filesize
92KB

Download
memory/2720-3-0x0000000000D70000-0x0000000001417000-memory.dmp

Filesize
6.7MB

Download
memory/2720-4-0x0000000000D70000-0x0000000001417000-memory.dmp

Filesize
6.7MB

Download