stealc | 7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b

Analysis

max time kernel
134s
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
05-11-2024 10:29

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General

Target

7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.exe
Size

2.0MB
MD5

9860e88c3782b7fce199d1e69be5b3ef
SHA1

3e86ceae63ac4267c444c6b49b4ae7eb81055468
SHA256

7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b
SHA512

a6723206ea95811ab2736765c1ee4b96f012396cb08a30b453a7fbf9dd93479e0364177193fb5125000f5e8b23faf44a204c71a056883ab5d438b2f123b7c475
SSDEEP

49152:9bzoRS/L+22RKf+1CHsGvn/lyfxhGqMyWPWoL7+wsHhXQOfk:VoRkL+dZ2RFyWeUywsBFfk

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__	7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.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	7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.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	7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4672	7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.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	7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4672	7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.exe
4672	7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.exe

C:\Users\Admin\AppData\Local\Temp\7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.exe
"C:\Users\Admin\AppData\Local\Temp\7d65971965b137f7626d23f18e90abd2656048e69e3606042c67517c8b86074b.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:4672

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/4672-0-0x0000000000750000-0x0000000000E7E000-memory.dmp

Filesize
7.2MB

Download
memory/4672-1-0x0000000077394000-0x0000000077396000-memory.dmp

Filesize
8KB

Download
memory/4672-2-0x0000000000751000-0x00000000007B9000-memory.dmp

Filesize
416KB

Download
memory/4672-3-0x0000000000750000-0x0000000000E7E000-memory.dmp

Filesize
7.2MB

Download
memory/4672-4-0x0000000000750000-0x0000000000E7E000-memory.dmp

Filesize
7.2MB

Download