stealc | 9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 01:38

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General

Target

9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00.exe
Size

1.7MB
MD5

5e8286d88eeff93b753e7454a6b431fd
SHA1

9cd9b91b5dd298a811d922714c506581e7c27b96
SHA256

9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00
SHA512

ae137bf10ad26dea6ba088903aab92dfe1a67626549adb92665f77bba791f9403f8ea49b30200663c898cb54ac96725ca29f96d233482927683812cc103f8fdf
SSDEEP

49152:wmr6UD38hhPKt/mY9nb5VwuUDhblam9LLV:wa64IJwV9ERxlZLh

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00.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\VideoBiosVersion	9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2484	9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00.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	9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2484	9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00.exe

C:\Users\Admin\AppData\Local\Temp\9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00.exe
"C:\Users\Admin\AppData\Local\Temp\9c62b127d6790b9b7957057a75441bc1a4e5eaf4f5c6c2669e833154739adb00.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:2484

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/2484-0-0x0000000001010000-0x00000000016A6000-memory.dmp

Filesize
6.6MB

Download
memory/2484-1-0x0000000077150000-0x0000000077152000-memory.dmp

Filesize
8KB

Download
memory/2484-2-0x0000000001011000-0x0000000001034000-memory.dmp

Filesize
140KB

Download
memory/2484-3-0x0000000001010000-0x00000000016A6000-memory.dmp

Filesize
6.6MB

Download
memory/2484-5-0x0000000001010000-0x00000000016A6000-memory.dmp

Filesize
6.6MB

Download