stealc | d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6

Analysis

max time kernel
148s
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
07-11-2024 03:17

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General

Target

d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.exe
Size

2.1MB
MD5

df4ea4a8afcceb8e19558408e42ea473
SHA1

033bc0096ba5b468af9709be7e8df5ef6e1f6577
SHA256

d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6
SHA512

0a1d29d5e50469fdb5a785ad355fa8b6481d5da138bebf1b0499ec119c9299ec22d78abe5b6a2c9e7089a5ec2f6d1bc54ec972ef61c3ee3c246544974b068e38
SSDEEP

49152:lQWI88VDzprCUuzK1jjzqCeaW0ypCVKLaCi804b4m3:WWZ8DyK1PzWhMKmCi80e3

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__	d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.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	d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2116	d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.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	d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2116	d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.exe
2116	d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.exe

C:\Users\Admin\AppData\Local\Temp\d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.exe
"C:\Users\Admin\AppData\Local\Temp\d0a18c1d84ebb376f2244ad1f79be69c981b97e0c17c1cc9d61bf73b8cf950b6.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:2116

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/2116-0-0x0000000000470000-0x0000000000BAA000-memory.dmp

Filesize
7.2MB

Download
memory/2116-1-0x0000000077104000-0x0000000077106000-memory.dmp

Filesize
8KB

Download
memory/2116-2-0x0000000000471000-0x00000000004D9000-memory.dmp

Filesize
416KB

Download
memory/2116-3-0x0000000000470000-0x0000000000BAA000-memory.dmp

Filesize
7.2MB

Download
memory/2116-4-0x0000000000470000-0x0000000000BAA000-memory.dmp

Filesize
7.2MB

Download