stealc | cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 16:18

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General

Target

cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.exe
Size

2.0MB
MD5

114d5e581b70ee44a460de6083f0ec55
SHA1

c7a450b65d7a567148d5f35ae575e102d6aba9bb
SHA256

cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6
SHA512

7cad59fc6562eafabefd641677f3d0991f7b185d8a1375d5a0142d13c71951be6baf688715ef97cd98a7cd0a4cd9a9091d4c0b9f718b6ef7a1e1548ebfb886f5
SSDEEP

49152:JPXIjJ0a0aYnxFxDUO/QK9scMsUl/veduXzoVEyZ:JPXIFV0aYhD9Wsozo/

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__	cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.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	cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2256	cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.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	cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2256	cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.exe
2256	cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.exe

C:\Users\Admin\AppData\Local\Temp\cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.exe
"C:\Users\Admin\AppData\Local\Temp\cf146510afc23e9c4b93dcbcf38a27bb75d2e0b22c2cf1106e69ef20177ebcd6.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:2256

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

Replay Monitor

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Downloads

memory/2256-0-0x00000000009E0000-0x0000000001102000-memory.dmp

Filesize
7.1MB

Download
memory/2256-1-0x0000000077C24000-0x0000000077C26000-memory.dmp

Filesize
8KB

Download
memory/2256-2-0x00000000009E1000-0x0000000000A49000-memory.dmp

Filesize
416KB

Download
memory/2256-3-0x00000000009E0000-0x0000000001102000-memory.dmp

Filesize
7.1MB

Download
memory/2256-5-0x00000000009E0000-0x0000000001102000-memory.dmp

Filesize
7.1MB

Download