stealc | 61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1

Analysis

max time kernel
137s
max time network
144s
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 17:16

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General

Target

61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.exe
Size

2.0MB
MD5

a899aa21b5f1400774b8a23ed370de3c
SHA1

a881e4a5b5f78e0b84f5b6fa87703a3292d73dba
SHA256

61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1
SHA512

9d4881578a19455d62d1a63d267284e251a1e3a6d6f7270f61586181bf0a5f5ec82fb8ee608f5c8951030b1f0fb7883ff4f83f642dd38b1dd525f6cc87b8393d
SSDEEP

49152:VlA9UGxZcN7vxno/MIfl9x+p7S1tU0BFjRltGgJGXNIt:7x+ZcRRoHl96qRJkXCt

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__	61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.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	61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1104	61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.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	61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1104	61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.exe
1104	61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.exe

C:\Users\Admin\AppData\Local\Temp\61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.exe
"C:\Users\Admin\AppData\Local\Temp\61155f40907e8793f5f8525d7e13c98be15cdb79958796e6b7564d13c6a085f1.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:1104

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/1104-0-0x0000000000170000-0x0000000000899000-memory.dmp

Filesize
7.2MB

Download
memory/1104-1-0x0000000077064000-0x0000000077066000-memory.dmp

Filesize
8KB

Download
memory/1104-2-0x0000000000171000-0x00000000001D9000-memory.dmp

Filesize
416KB

Download
memory/1104-3-0x0000000000170000-0x0000000000899000-memory.dmp

Filesize
7.2MB

Download
memory/1104-4-0x0000000000170000-0x0000000000899000-memory.dmp

Filesize
7.2MB

Download