stealc | caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 03:37

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General

Target

caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.exe
Size

2.0MB
MD5

70f062fa1d7638c2ec48163a68155acf
SHA1

0507f418cdc2c76ec5dc94b455fce596b87b222e
SHA256

caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538
SHA512

bdf61abd460c82f062a6028abdb327252dfbd8d2b53714ef48ae88decafa02f709148798ca8a3c5f60f3cb134078d9ab7001e3b77e957bb30b83c17672005e7f
SSDEEP

49152:UTgJR0jBb6P3llI6mNpzF38pr0ccA2WNYUgyDPtu3o:UJxu34RzFsYnyDFu

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__	caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.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	caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3976	caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.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	caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3976	caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.exe
3976	caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.exe

C:\Users\Admin\AppData\Local\Temp\caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.exe
"C:\Users\Admin\AppData\Local\Temp\caff47b4cac818b5d486cdb292eee34b5390adeb9f6cbd02000a248af934c538.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:3976

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/3976-0-0x0000000000340000-0x0000000000A5C000-memory.dmp

Filesize
7.1MB

Download
memory/3976-1-0x00000000774E4000-0x00000000774E6000-memory.dmp

Filesize
8KB

Download
memory/3976-2-0x0000000000341000-0x00000000003A9000-memory.dmp

Filesize
416KB

Download
memory/3976-3-0x0000000000340000-0x0000000000A5C000-memory.dmp

Filesize
7.1MB

Download
memory/3976-5-0x0000000000340000-0x0000000000A5C000-memory.dmp

Filesize
7.1MB

Download