stealc | 54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95

Analysis

max time kernel
97s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2025 01:34

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General

Target

54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.exe
Size

1.7MB
MD5

059175c9b7e9fd7025f4b4a315a60f4a
SHA1

05f1c9b7d9ad57f3770a2ed51924851560616080
SHA256

54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95
SHA512

74f7bb13441d6105840ac48bed875f3b341b15c4ec81ceb43186441fa2d1ff09416bd8ea192627cdf3b4b941454c9abcefe62734ad3e1e174a3bfd87336786d2
SSDEEP

49152:d5yqxOz7oqGsL4Oc+jUuKr3CTQF7Gwpi0d:d9xOPXGE4qUuCCT+fr

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__	54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.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	54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2208	54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.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	54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2208	54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.exe
2208	54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.exe

C:\Users\Admin\AppData\Local\Temp\54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.exe
"C:\Users\Admin\AppData\Local\Temp\54b2ec92492c258d2513a4be9eee47fd8c2fe7532b4d39ef3a82def870f14f95.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:2208

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/2208-0-0x0000000000940000-0x0000000000FD8000-memory.dmp

Filesize
6.6MB

Download
memory/2208-1-0x0000000077C64000-0x0000000077C66000-memory.dmp

Filesize
8KB

Download
memory/2208-2-0x0000000000941000-0x0000000000958000-memory.dmp

Filesize
92KB

Download
memory/2208-4-0x0000000000940000-0x0000000000FD8000-memory.dmp

Filesize
6.6MB

Download
memory/2208-5-0x0000000000940000-0x0000000000FD8000-memory.dmp

Filesize
6.6MB

Download