stealc | f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 01:56

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General

Target

f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.exe
Size

1.8MB
MD5

0bf5ce56eb51ec47b8754cc134bf5992
SHA1

1777991009c2624258525704c6da07ad19118d59
SHA256

f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7
SHA512

1dcc81f5083573155b07f6dfdca22337ed294675f35863c0ef62d085635e37285141fd0807c7ca2a7eb2e7779a872e7a6f6afa7a1eb467a9fbcc42214122fbd7
SSDEEP

49152:tUxmCwXBW5CatjLepR5sS4N+rLAaVHfzlXcW:GANUCatepROS4qZrlMW

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

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__	f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.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	f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2264	f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.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	f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2264	f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.exe
2264	f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.exe

C:\Users\Admin\AppData\Local\Temp\f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.exe
"C:\Users\Admin\AppData\Local\Temp\f1bfec40560823119dc3f2e9017f918cb0f6874f6511823372e70fd2f87b62e7.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:2264

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/2264-0-0x0000000000190000-0x0000000000831000-memory.dmp

Filesize
6.6MB

Download
memory/2264-1-0x00000000777E4000-0x00000000777E6000-memory.dmp

Filesize
8KB

Download
memory/2264-2-0x0000000000191000-0x00000000001B4000-memory.dmp

Filesize
140KB

Download
memory/2264-3-0x0000000000190000-0x0000000000831000-memory.dmp

Filesize
6.6MB

Download
memory/2264-4-0x0000000000190000-0x0000000000831000-memory.dmp

Filesize
6.6MB

Download