stealc | edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c

Analysis

max time kernel
118s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 10:38

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General

Target

edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c.exe
Size

2.1MB
MD5

cd25ea4abb37566f6eccf197ebcb358f
SHA1

ea73db5865af07f9fe6eb4c4e10d2e0350bc52a7
SHA256

edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c
SHA512

9acbaf6d3be084f18736dcf1a19f960bb4b424eabcf035b7cbb88b3c01dfcf9ec449a52bb89f09fee1fd171fd87aa64f76090abe20c2cecc74f39d2d5580297e
SSDEEP

49152:o3cQwoaWcHMdVCkypvlY4FDjd/Z8WVY5:YDwZkDypvl3zGWW5

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__	edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c.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\VideoBiosVersion	edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2436	edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c.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	edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2436	edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c.exe

C:\Users\Admin\AppData\Local\Temp\edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c.exe
"C:\Users\Admin\AppData\Local\Temp\edcccba300119c2e3d317b887df4eb1a2f2275b1202b2936bf1d9ca43cd9324c.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:2436

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/2436-0-0x00000000011F0000-0x0000000001936000-memory.dmp

Filesize
7.3MB

Download
memory/2436-1-0x0000000077410000-0x0000000077412000-memory.dmp

Filesize
8KB

Download
memory/2436-2-0x00000000011F1000-0x0000000001259000-memory.dmp

Filesize
416KB

Download
memory/2436-3-0x00000000011F0000-0x0000000001936000-memory.dmp

Filesize
7.3MB

Download
memory/2436-4-0x00000000011F0000-0x0000000001936000-memory.dmp

Filesize
7.3MB

Download