stealc | 2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 03:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe
Size

1.7MB
MD5

0b531f1b9f481b44ee09bda056536cc3
SHA1

842442cd817ba7427ef012dd8591d5fcc9d98c47
SHA256

2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c
SHA512

e016e9414ea30c59ab040e487decbe757fbf693fefcfc8394a93a2394ff4bae89411ba94332d55caf26248741d7ec1e1078bcb25712473274d71a9eda0ed00c8
SSDEEP

49152:o/CKlX1miziyPSu9rntK/GISL2g63a22/BxCb22:NU12yau9rtK/S2YD/l2

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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

Processes:

2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.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

Processes:

2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.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

Processes:

2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

pid process

3052 2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

pid	process
3052	2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.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

Processes:

2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

pid process

3052 2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

pid	process
3052	2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe

C:\Users\Admin\AppData\Local\Temp\2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.exe
"C:\Users\Admin\AppData\Local\Temp\2724f010642bc26b37804f2e5a8c6d7e3ea7c2fbbfe3cd1cd40f7d1262798c0c.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:3052

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

Loading Replay Monitor...

Downloads

memory/3052-0-0x00000000012C0000-0x0000000001942000-memory.dmp

Filesize
6.5MB

Download
memory/3052-1-0x0000000077570000-0x0000000077572000-memory.dmp

Filesize
8KB

Download
memory/3052-2-0x00000000012C1000-0x00000000012D8000-memory.dmp

Filesize
92KB

Download
memory/3052-3-0x00000000012C0000-0x0000000001942000-memory.dmp

Filesize
6.5MB

Download
memory/3052-4-0x00000000012C0000-0x0000000001942000-memory.dmp

Filesize
6.5MB

Download