stealc | 9ee987dec82661c24fefb273715d9c076f90e03500b540b0b21df5b432749036

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 01:19

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General

Target

a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074.exe
Size

2.1MB
MD5

4a1ecd263f814b6e853f0fb85f405a79
SHA1

a41ff8ee67a1965ab0f13e9a8a6432338ba806bc
SHA256

a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074
SHA512

ec0d2b0cc8cd1c9d9957a36e85c368eeaa5dd1b7bfea29048bc8bdcb3b04a4e2cee0848a3838638d4c4924948d4b490b310a5ae84a7680ba038a38b19d5ef819
SSDEEP

49152:7AKMUq8dRQ5/PUyj5GLVNMP/G2FX34pw6YTQd:aWdRMPjQVNMP/GmYw6YTQd

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__	a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074.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	a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2076	a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074.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	a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2076	a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074.exe

C:\Users\Admin\AppData\Local\Temp\a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074.exe
"C:\Users\Admin\AppData\Local\Temp\a14d98efb427a2f880155d0f0e6c5983ad1046283ccd2503d4e6689d7852b074.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:2076

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/2076-0-0x00000000013E0000-0x0000000001B1F000-memory.dmp

Filesize
7.2MB

Download
memory/2076-1-0x0000000076F90000-0x0000000076F92000-memory.dmp

Filesize
8KB

Download
memory/2076-2-0x00000000013E1000-0x0000000001449000-memory.dmp

Filesize
416KB

Download
memory/2076-3-0x00000000013E0000-0x0000000001B1F000-memory.dmp

Filesize
7.2MB

Download
memory/2076-5-0x00000000013E0000-0x0000000001B1F000-memory.dmp

Filesize
7.2MB

Download