stealc | 7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 23:48

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General

Target

7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.exe
Size

1.7MB
MD5

9373da7e216a146ab41c7d93832b138d
SHA1

78bac9a76b487675cf4697822ddfe9db058d2bc9
SHA256

7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28
SHA512

7941f2915f8c5c6f61e45f25eb8258e794755234bff3b7093c3727aaa82bb04ffb8b9bd4a5251427e1be5efd3aa98023275f5a97839cda7b0f6e9bd09a3b5bb3
SSDEEP

49152:Y/RN3Dc/NmddfCyP+fRkU3aOsAIFdTKmfvw:WTc/QOoMZ3psAMZKmg

Score

10^/10

stealc stok defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.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	7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.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.

defense_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	7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2468	7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.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	7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2468	7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.exe
2468	7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.exe

C:\Users\Admin\AppData\Local\Temp\7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.exe
"C:\Users\Admin\AppData\Local\Temp\7caa7d434f74af2f1d07cd0162f6a41cdbe075ce3a91bf16c6bf0a6afa654f28.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:2468

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/2468-0-0x0000000000160000-0x0000000000805000-memory.dmp

Filesize
6.6MB

Download
memory/2468-1-0x0000000077014000-0x0000000077016000-memory.dmp

Filesize
8KB

Download
memory/2468-2-0x0000000000161000-0x0000000000178000-memory.dmp

Filesize
92KB

Download
memory/2468-4-0x0000000000160000-0x0000000000805000-memory.dmp

Filesize
6.6MB

Download
memory/2468-5-0x0000000000160000-0x0000000000805000-memory.dmp

Filesize
6.6MB

Download