stealc | c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 14:42

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General

Target

c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c.exe
Size

2.1MB
MD5

664cbe9037889eee1ee4b216d6b2b39a
SHA1

e252080cb9145574970ad617d75cf3d524a365b0
SHA256

c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c
SHA512

2279f139525e947b269807bce517d9d22301e83f15719afec0219cc7e68ea1db3f9ce985e540fc06fdfe76d9b9e60dda53946f20d03b1b63ca3237d9486dfdf2
SSDEEP

49152:AqzBdWPO/uADYtCD4y9TKqXjGovrBmrC:AUmADY6TK8jlmm

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c.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	c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2552	c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c.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	c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2552	c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c.exe

C:\Users\Admin\AppData\Local\Temp\c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c.exe
"C:\Users\Admin\AppData\Local\Temp\c7cb553bd63823408f7f8150e5ab4c7d964d638d2238828c7dc78a6debc1800c.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:2552

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/2552-0-0x0000000000CA0000-0x00000000013E2000-memory.dmp

Filesize
7.3MB

Download
memory/2552-1-0x00000000777B0000-0x00000000777B2000-memory.dmp

Filesize
8KB

Download
memory/2552-2-0x0000000000CA1000-0x0000000000D09000-memory.dmp

Filesize
416KB

Download
memory/2552-3-0x0000000000CA0000-0x00000000013E2000-memory.dmp

Filesize
7.3MB

Download
memory/2552-5-0x0000000000CA0000-0x00000000013E2000-memory.dmp

Filesize
7.3MB

Download