stealc | c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 03:23

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General

Target

c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a.exe
Size

5.0MB
MD5

f18df05d8617aecd511f2074dd84843c
SHA1

9203a2f1b90425ab15b5ca0785b9a406dd9ed37f
SHA256

c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a
SHA512

57c729f1f8b4956825e35a153b0a421324a284e688702da43a11eb2cb092aea46cd730e8099d633c54b3b0c212ce8d0a6dcb0a0b12aa4095105c4fb70b89caf1
SSDEEP

49152:k7KFau22BzJiOQjHvY8NKcoEq5Oiz15I1:N722NJiO8PY1b55z

Score

10^/10

stealc drum discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

drum

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__	c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a.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	c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2168	c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a.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	c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2168	c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a.exe

C:\Users\Admin\AppData\Local\Temp\c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a.exe
"C:\Users\Admin\AppData\Local\Temp\c898a6d03e65d0e212cca04c6035c9c9a23cfe504f7e72179746709b0a12889a.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:2168

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/2168-0-0x0000000000820000-0x0000000000D1A000-memory.dmp

Filesize
5.0MB

Download
memory/2168-1-0x00000000776D0000-0x00000000776D2000-memory.dmp

Filesize
8KB

Download
memory/2168-2-0x0000000000821000-0x0000000000A6A000-memory.dmp

Filesize
2.3MB

Download
memory/2168-3-0x0000000000820000-0x0000000000D1A000-memory.dmp

Filesize
5.0MB

Download
memory/2168-6-0x0000000000821000-0x0000000000A6A000-memory.dmp

Filesize
2.3MB

Download
memory/2168-5-0x0000000000820000-0x0000000000D1A000-memory.dmp

Filesize
5.0MB

Download