stealc | 2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 02:29

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General

Target

2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909.exe
Size

2.0MB
MD5

abe2d3c6c95bc4eb7fd24fd8095b4104
SHA1

48c25f37cb652c70008b7fe0d041a212dace5398
SHA256

2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909
SHA512

a4a746a0ab0c191eb70a9f93757cf85d93b94802da18d1c09767fa1f2eb5db0b9415425b79d4ef1a058ba4df7ba79d39432ccd0b227f529d3ef08c2934cd2f09
SSDEEP

49152:KV45O6/ToN0RUydwwpnsDXzfPnQV5/HT/vjx9/4z:K6O4ToN0OYpezw5/T/v/4z

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__	2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909.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	2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2940	2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909.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	2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2940	2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909.exe

C:\Users\Admin\AppData\Local\Temp\2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909.exe
"C:\Users\Admin\AppData\Local\Temp\2b96d5f873119e5a22e3c38f916c311ad7ed5b54bc4b0bbddcbaef3b008e5909.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:2940

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/2940-0-0x0000000000020000-0x000000000074F000-memory.dmp

Filesize
7.2MB

Download
memory/2940-1-0x00000000776C0000-0x00000000776C2000-memory.dmp

Filesize
8KB

Download
memory/2940-2-0x0000000000021000-0x0000000000089000-memory.dmp

Filesize
416KB

Download
memory/2940-3-0x0000000000020000-0x000000000074F000-memory.dmp

Filesize
7.2MB

Download
memory/2940-4-0x0000000000020000-0x000000000074F000-memory.dmp

Filesize
7.2MB

Download