stealc | 7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a

Analysis

max time kernel
150s
max time network
153s
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 16:05

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General

Target

7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.exe
Size

2.0MB
MD5

e16e8a63dd2f418818c89f7afa98a828
SHA1

2a2871bc83e603e994429ab08f2444fdc67245f9
SHA256

7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a
SHA512

e9fd477359cfceb6f9e9f136af44ad94817fb2207fc3b881224a9721333364e68eda6e963c76bd7fc69e0eceaf3c6358f270efd889d629fae9f436a029d6337e
SSDEEP

49152:pLMltH8SypoL4zgvAei9bCXoLQ/i6wot:xEHOoEz8Y9bCXoLZPU

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__	7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.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	7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.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	7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3280	7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.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	7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3280	7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.exe
3280	7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.exe

C:\Users\Admin\AppData\Local\Temp\7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.exe
"C:\Users\Admin\AppData\Local\Temp\7cf831e262ee58828e8ddb45f2d56f5d20aae4d20c2a3cbd4b13e4fc0fc8c88a.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:3280

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/3280-0-0x0000000000DC0000-0x00000000014E4000-memory.dmp

Filesize
7.1MB

Download
memory/3280-1-0x0000000077154000-0x0000000077156000-memory.dmp

Filesize
8KB

Download
memory/3280-2-0x0000000000DC1000-0x0000000000E29000-memory.dmp

Filesize
416KB

Download
memory/3280-3-0x0000000000DC0000-0x00000000014E4000-memory.dmp

Filesize
7.1MB

Download
memory/3280-5-0x0000000000DC0000-0x00000000014E4000-memory.dmp

Filesize
7.1MB

Download