stealc | 2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3

Analysis

max time kernel
17s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 04:58

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General

Target

2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3N.exe
Size

1.8MB
MD5

2aa70f8499e37600d9a9de0d8e504d90
SHA1

4a9417f00fb52b0f0358173790153b12b04f0d16
SHA256

2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3
SHA512

0206d7b99f490117bceff4fc7487a3d489c11549bfd6d875740d4d2c88b9bfa92361a854a85f771f81f75b82bff16777d3918ac05a7d87b5d6be95b9d2d20871
SSDEEP

49152:x1x0BBe2Hl5M+8jPn1pKgB2A5IuNlBaLBJJXm:bxWBZHAZKgPdbUv

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__	2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3N.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	2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3N.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3N.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2440	2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3N.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	2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2440	2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3N.exe

C:\Users\Admin\AppData\Local\Temp\2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3N.exe
"C:\Users\Admin\AppData\Local\Temp\2fad4517df66808b186268b94b9a75f9aa669f2146f6b8f2eb12ba65c221b5b3N.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:2440

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

Replay Monitor

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Downloads

memory/2440-0-0x00000000003C0000-0x0000000000A74000-memory.dmp

Filesize
6.7MB

Download
memory/2440-1-0x0000000077B50000-0x0000000077B52000-memory.dmp

Filesize
8KB

Download
memory/2440-2-0x00000000003C1000-0x00000000003D8000-memory.dmp

Filesize
92KB

Download
memory/2440-3-0x00000000003C0000-0x0000000000A74000-memory.dmp

Filesize
6.7MB

Download
memory/2440-4-0x00000000003C0000-0x0000000000A74000-memory.dmp

Filesize
6.7MB

Download