stealc | 34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14

Analysis

max time kernel
92s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 06:49

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General

Target

34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe
Size

1.7MB
MD5

6bf3f9cb874d4f0856c43f009706beb6
SHA1

3a8e49ff67388ee47dd2fd927e6f201550bcc62e
SHA256

34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14
SHA512

5d6a9a8bfaffe26798e11d7e4da6d52ea00a0fe635cec84bc2f82c3150a603b541200bfc700aa0c6d09e5555aaf56b7048611b59f6d4a978d27da39d52fbe085
SSDEEP

49152:QPmQM+Gd813P3DiLPdDu41YAslYyJmteqiccw8:8tLJ/idDuqY/YyJMEw8

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:

34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.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:

34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.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:

34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe

pid process

5100 34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.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:

34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe

pid	process
5100	34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe
5100	34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe

C:\Users\Admin\AppData\Local\Temp\34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.exe
"C:\Users\Admin\AppData\Local\Temp\34a0940b32c70247f709781741607494ebbfdcc760537d983fe37b7220b26a14.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:5100

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/5100-0-0x00000000005D0000-0x0000000000C75000-memory.dmp

Filesize
6.6MB

Download
memory/5100-1-0x00000000772A4000-0x00000000772A6000-memory.dmp

Filesize
8KB

Download
memory/5100-2-0x00000000005D1000-0x00000000005E8000-memory.dmp

Filesize
92KB

Download
memory/5100-3-0x00000000005D0000-0x0000000000C75000-memory.dmp

Filesize
6.6MB

Download
memory/5100-4-0x00000000005D0000-0x0000000000C75000-memory.dmp

Filesize
6.6MB

Download