stealc | e1d556951891845e33f2f459863d740f2d4fd9d6bdc0f6a721eca1c0c9f0a9c3

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 01:06

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General

Target

9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82.exe
Size

2.0MB
MD5

2093c6e52262aba12a530a15eb025af1
SHA1

2f8bca8aca4d50acd3607c70da2350aa5c12f0f7
SHA256

9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82
SHA512

1d0f0179ab4fd31c31ceff57bfce5d2c8918f7633990e2d010173b6fa0b1ee1f4c2f75be96b0a29a97d9c60518287dd669df7166ffa0767ce1d61f5491fb24d9
SSDEEP

49152:ohoq1tFddl5bpuGw652StvGbruREgE0O0wgnicoLnO4DvdqANV4k3:o2krpu3CXWr9Rl0wgnHq9DTNVN3

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82.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	9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2348	9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82.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	9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2348	9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82.exe

C:\Users\Admin\AppData\Local\Temp\9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82.exe
"C:\Users\Admin\AppData\Local\Temp\9d15aefd953e3b02812f0fd4f5e1e84356bc28a7ec904c0398581b97b1b96d82.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:2348

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/2348-0-0x0000000000EF0000-0x00000000015F4000-memory.dmp

Filesize
7.0MB

Download
memory/2348-1-0x0000000077BA0000-0x0000000077BA2000-memory.dmp

Filesize
8KB

Download
memory/2348-2-0x0000000000EF1000-0x0000000000F59000-memory.dmp

Filesize
416KB

Download
memory/2348-3-0x0000000000EF0000-0x00000000015F4000-memory.dmp

Filesize
7.0MB

Download
memory/2348-5-0x0000000000EF0000-0x00000000015F4000-memory.dmp

Filesize
7.0MB

Download