stealc | c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 18:38

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General

Target

c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe
Size

1.7MB
MD5

652dcae8ee9bd23f3670adb58453a9eb
SHA1

ddcf3a82c0c32522885b9c256bdf2859810d1e65
SHA256

c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782
SHA512

b7da4a97371da0586256a39b5f2218d628c9ef360c2486e6a62dfc750117d3fccc5639fedbf2f8623aef5690997271d2f80a771c29a554fe6a1dfd395fc349e4
SSDEEP

49152:zHWrb3KQlw+EIs7emg9hdrpPmrL83W8f7LkWGao:aqJIsc3u83W8HHGao

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:

c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.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:

c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.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:

c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

pid process

1656 c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

pid	process
1656	c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.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:

c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

pid process

1656 c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

pid	process
1656	c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe

C:\Users\Admin\AppData\Local\Temp\c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.exe
"C:\Users\Admin\AppData\Local\Temp\c698f9925b2bea92e5584c14e385d5b94bf4123acab2e7e2085f067295905782.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:1656

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/1656-0-0x0000000001300000-0x00000000019AC000-memory.dmp

Filesize
6.7MB

Download
memory/1656-1-0x00000000777B0000-0x00000000777B2000-memory.dmp

Filesize
8KB

Download
memory/1656-2-0x0000000001301000-0x0000000001318000-memory.dmp

Filesize
92KB

Download
memory/1656-3-0x0000000001300000-0x00000000019AC000-memory.dmp

Filesize
6.7MB

Download
memory/1656-5-0x0000000001300000-0x00000000019AC000-memory.dmp

Filesize
6.7MB

Download