stealc | 87581709e2bcf76b426a1281f395726f3816643734a5f36df6e4e3bb009af4cf

Analysis

max time kernel
94s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/12/2024, 07:42

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General

Target

file.exe
Size

4.9MB
MD5

63f084ebdc49fddd2a095cee8789c100
SHA1

35af18c8a7530a0cc91b78eead8fdaf1a2aaf76c
SHA256

87581709e2bcf76b426a1281f395726f3816643734a5f36df6e4e3bb009af4cf
SHA512

4be50ccc150a74d3f475acf52a66e1cc101562f8e916a7dac2ccf9865170b1c1323e84d779dd9ee5b984018c9036ba5229229b2d0b7d025c87fdc05deee98712
SSDEEP

49152:QL60H++gloEy/PuRmIi7h6wJXzmwfj+xPwWJT:S60xgi/wKaFnJT

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__	file.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\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2220	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2220	file.exe
2220	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:2220

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

Replay Monitor

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Downloads

memory/2220-0-0x00000000005F0000-0x0000000000AE5000-memory.dmp

Filesize
5.0MB

Download
memory/2220-1-0x0000000077274000-0x0000000077276000-memory.dmp

Filesize
8KB

Download
memory/2220-2-0x00000000005F1000-0x000000000083A000-memory.dmp

Filesize
2.3MB

Download
memory/2220-3-0x00000000005F0000-0x0000000000AE5000-memory.dmp

Filesize
5.0MB

Download
memory/2220-4-0x00000000005F0000-0x0000000000AE5000-memory.dmp

Filesize
5.0MB

Download
memory/2220-5-0x00000000005F1000-0x000000000083A000-memory.dmp

Filesize
2.3MB

Download