stealc | fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3

Analysis

max time kernel
94s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 01:57

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General

Target

fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.exe
Size

1.8MB
MD5

ef4d942f44362d48b109c8a182ba537d
SHA1

b2732ce2977293e2f08e4ddfc0012a6673208692
SHA256

fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3
SHA512

fcc83be6d71b5bd81c66896c225e4544ecc6c65db46e5384bce4e926583a41b5dcfbd19f289ae973999f939bcaae156aa56d4b1e34d6795927266a68567d5e59
SSDEEP

24576:lzjuGRTblK2S28Qw+XYLcg7Iv2w0gTT+alkoOndJT9yO+XnpvmOb/GLuSlh4Z3pM:lHuSI2SlQ1ewcGBUU/6uSlmmL

Score

10^/10

stealc save discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

save

http://185.215.113.37

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.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	fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.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-1-5-21-786284298-625481688-3210388970-1000\Software\Wine	fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4880	fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.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	fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4880	fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.exe
4880	fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.exe

C:\Users\Admin\AppData\Local\Temp\fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.exe
"C:\Users\Admin\AppData\Local\Temp\fb2fdeded1386ef31205d4e56c05942f49b0292688d14bdc0616c22cae4567b3.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:4880

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/4880-0-0x0000000000F00000-0x00000000015A0000-memory.dmp

Filesize
6.6MB

Download
memory/4880-1-0x0000000077694000-0x0000000077696000-memory.dmp

Filesize
8KB

Download
memory/4880-2-0x0000000000F01000-0x0000000000F24000-memory.dmp

Filesize
140KB

Download
memory/4880-3-0x0000000000F00000-0x00000000015A0000-memory.dmp

Filesize
6.6MB

Download
memory/4880-5-0x0000000000F00000-0x00000000015A0000-memory.dmp

Filesize
6.6MB

Download