stealc | 26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 02:21

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General

Target

26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.exe
Size

2.0MB
MD5

fdd09e1d35cbc3837a26255801aacb53
SHA1

c6a5b12ae933c9cb222b3d8a5ebb4bd432e22b95
SHA256

26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0
SHA512

7f52301a06f6f0fb4d6eaf07a784e45a9cd9bb275754aae59bf1a2139af1304d296da21777e2c0e52f2b8c876a4cea5ef35a6bd574135b1256714d6304087750
SSDEEP

49152:4jcIeE9yj6mFGZ3fF2tTuLDnyMCNhYHz/6Ek5l:4jcIlQDFM3mTuHCNAGr

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__	26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.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	26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
116	26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.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	26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
116	26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.exe
116	26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.exe

C:\Users\Admin\AppData\Local\Temp\26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.exe
"C:\Users\Admin\AppData\Local\Temp\26711a4c32193e82db0ecc58bfc95d9482f111d1389314029432f228fbdb75e0.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:116

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/116-0-0x0000000000CF0000-0x0000000001412000-memory.dmp

Filesize
7.1MB

Download
memory/116-1-0x0000000077CA4000-0x0000000077CA6000-memory.dmp

Filesize
8KB

Download
memory/116-2-0x0000000000CF1000-0x0000000000D59000-memory.dmp

Filesize
416KB

Download
memory/116-3-0x0000000000CF0000-0x0000000001412000-memory.dmp

Filesize
7.1MB

Download
memory/116-4-0x0000000000CF0000-0x0000000001412000-memory.dmp

Filesize
7.1MB

Download