stealc | 86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af

Analysis

max time kernel
93s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 16:14

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General

Target

86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.exe
Size

2.8MB
MD5

53255a4e52bac509d13e48fe99717cb0
SHA1

763d5cf8a29bad2c20eb0270392e02426afe8e82
SHA256

86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af
SHA512

5a1a5fad42a71a6bc795f82ab29a025e5b5076310cbbfa5fb845af5cd9149348c523493bf3d675a9941019a05eddd108a4601cf77ca6b8f8e7fd74cba244fb1d
SSDEEP

24576:M890a4qz5i/nfLIP+aYK/N9dog07tTsAnMt6loeuJp+MCLDaxfvqm6oFWOD9ib9Z:n0BSi/8tCntI1pLCKHHFWOz8zAf96

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__	86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.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	86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2596	86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.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	86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2596	86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.exe
2596	86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.exe

C:\Users\Admin\AppData\Local\Temp\86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.exe
"C:\Users\Admin\AppData\Local\Temp\86c5ad704dccd2f1a4175b66e019550a68ebcd538ef9ad6f9aee743a613940af.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:2596

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/2596-0-0x0000000000900000-0x0000000000E04000-memory.dmp

Filesize
5.0MB

Download
memory/2596-1-0x0000000077514000-0x0000000077516000-memory.dmp

Filesize
8KB

Download
memory/2596-2-0x0000000000901000-0x0000000000918000-memory.dmp

Filesize
92KB

Download
memory/2596-3-0x0000000000900000-0x0000000000E04000-memory.dmp

Filesize
5.0MB

Download
memory/2596-4-0x0000000000900000-0x0000000000E04000-memory.dmp

Filesize
5.0MB

Download