stealc | a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d

Analysis

max time kernel
96s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 14:25

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General

Target

a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.exe
Size

2.1MB
MD5

d295038f6facf219e302c0444bffa7b0
SHA1

17a55b8e0872feb3476eb425758c7b8500e857fb
SHA256

a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d
SHA512

075691b3e30fd88fc59428f94c05858a0d625b371a1c44625d2d801efe337548bff94d7dc4facf14cbb88679a8186f23b053b9c7952120f40b50498693178e09
SSDEEP

49152:7g6sa4L9H7igDTXLXIiXGxQ69DyJo13BjO01HK7J7TD:UyuFXD7LXIi479DyJo9BjvKFT

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__	a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.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	a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1088	a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.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	a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1088	a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.exe
1088	a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.exe

C:\Users\Admin\AppData\Local\Temp\a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.exe
"C:\Users\Admin\AppData\Local\Temp\a0cc678c942c6f391cb39e06f20cb9a8cdc2e319e41f52023c5e0e7b3985594d.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:1088

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/1088-0-0x0000000000760000-0x0000000000E9C000-memory.dmp

Filesize
7.2MB

Download
memory/1088-1-0x0000000077E94000-0x0000000077E96000-memory.dmp

Filesize
8KB

Download
memory/1088-2-0x0000000000761000-0x00000000007C9000-memory.dmp

Filesize
416KB

Download
memory/1088-3-0x0000000000760000-0x0000000000E9C000-memory.dmp

Filesize
7.2MB

Download
memory/1088-4-0x0000000000760000-0x0000000000E9C000-memory.dmp

Filesize
7.2MB

Download