stealc | 146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb

Analysis

max time kernel
141s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 02:05

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General

Target

146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.exe
Size

2.0MB
MD5

a8f71ef6c9223ea599641a4526f9913b
SHA1

f4e990398fea9618337910de56f090b62d512f2b
SHA256

146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb
SHA512

08b1fe79a37cc81a9a885da39c9441ca3799fde8ed2e82fe9a3a85999b368cb486242ae032d8d1b073b14a9032b62488292f84602c6df058185dfe06c0cefb13
SSDEEP

24576:hJF57scnKxE/lBAJ6oy0WWM9i6rLR+8+TBefIAZcPX0vVtBamkHI3slytWAmo8ac:N1h7Aqti6/R+8+TBeQzsSHIV3Vu

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__	146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.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	146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5064	146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.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	146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5064	146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.exe
5064	146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.exe

C:\Users\Admin\AppData\Local\Temp\146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.exe
"C:\Users\Admin\AppData\Local\Temp\146ea92fa057d07f4f760c00df8022356c0d82c3af439b9b086c5345d5fb89bb.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:5064

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/5064-0-0x0000000000310000-0x0000000000A34000-memory.dmp

Filesize
7.1MB

Download
memory/5064-1-0x0000000076FE4000-0x0000000076FE6000-memory.dmp

Filesize
8KB

Download
memory/5064-2-0x0000000000311000-0x0000000000379000-memory.dmp

Filesize
416KB

Download
memory/5064-3-0x0000000000310000-0x0000000000A34000-memory.dmp

Filesize
7.1MB

Download
memory/5064-5-0x0000000000310000-0x0000000000A34000-memory.dmp

Filesize
7.1MB

Download