stealc | 7c460ec14e3ae6948e23e7c680831b0d2b632ccff63b86d1e9fcd25258c1987b

Analysis

max time kernel
90s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 01:06

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General

Target

fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e.exe
Size

2.0MB
MD5

15cbd9b38ee0965dd301e40b1febe423
SHA1

fa6fb0fe1ab51063ad15c4cc36d7f2988622bffd
SHA256

fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e
SHA512

81a15df2bf1002092fc7ac6aec533a4c7ca2f6bde8bb29fdd027ba2db4d73760e4547bb72f0cf2d9440974759fb515bf06be3c1a7cf8f52c63008ebc0b49c19e
SSDEEP

49152:lykR8UbtawcSwes5DG3RneuuCtb56CQ9A6AH/yvMEb:wkR8U5lQ61gCZ5Q9A3fyx

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__	fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e.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	fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2744	fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e.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	fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2744	fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e.exe

C:\Users\Admin\AppData\Local\Temp\fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e.exe
"C:\Users\Admin\AppData\Local\Temp\fd23f8fa45a5d50250de890fcb6fbfa841c929e19936dc0eaacaca1c6f3f3a2e.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:2744

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/2744-0-0x0000000001130000-0x0000000001863000-memory.dmp

Filesize
7.2MB

Download
memory/2744-1-0x00000000773F0000-0x00000000773F2000-memory.dmp

Filesize
8KB

Download
memory/2744-2-0x0000000001131000-0x0000000001199000-memory.dmp

Filesize
416KB

Download
memory/2744-3-0x0000000001130000-0x0000000001863000-memory.dmp

Filesize
7.2MB

Download
memory/2744-4-0x0000000001130000-0x0000000001863000-memory.dmp

Filesize
7.2MB

Download