stealc | e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 03:45

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General

Target

e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499.exe
Size

1.7MB
MD5

327c2f24a87f170dbede36cc43a68875
SHA1

92df6f7e472f2d99eb14386536c431fdc8883d95
SHA256

e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499
SHA512

4a397be99ec580af10146cac47786ad352f050e9eff3316096839ec1c7337239a721e96277b3515e95a5b9e5a59800b5794db2477d07d3374915f488d5632c3f
SSDEEP

49152:qTdO2jsoS1bcJvbqj5lS/AjlyIUfKFh6NPcl/A:eHhS1IJv+yMUfKv6N0y

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.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__	e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499.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	e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2520	e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499.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	e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2520	e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499.exe

C:\Users\Admin\AppData\Local\Temp\e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499.exe
"C:\Users\Admin\AppData\Local\Temp\e2892813c672c9bc92a7ac23b203e9647c617142222d5c5220a6df968b24b499.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:2520

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/2520-0-0x0000000000F80000-0x0000000001617000-memory.dmp

Filesize
6.6MB

Download
memory/2520-1-0x0000000077C40000-0x0000000077C42000-memory.dmp

Filesize
8KB

Download
memory/2520-2-0x0000000000F81000-0x0000000000F98000-memory.dmp

Filesize
92KB

Download
memory/2520-3-0x0000000000F80000-0x0000000001617000-memory.dmp

Filesize
6.6MB

Download
memory/2520-4-0x0000000000F80000-0x0000000001617000-memory.dmp

Filesize
6.6MB

Download