stealc | 59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 10:51

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General

Target

59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.exe
Size

1.7MB
MD5

393f5ee48f2ae353b9a4adcc51cb789f
SHA1

f522e95e1d96015019e5af3de8da8cecbaee8f68
SHA256

59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf
SHA512

e19a4831ee81a4df5ff75c5000cdd6f2f30e0433afb6f008f45916e838030cad1867e4f55d5a15092fe51e87fb64263fe97fcb3c3f6eb0681ae7d8fcf4968aae
SSDEEP

49152:wPg6VPGj4oboZGLpWuxJmSEyTAtfZA67OZiUaYxIYA:wTVG6MLpjAtfZOPe

Score

10^/10

stealc drum discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

drum

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.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	59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3604	59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.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	59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3604	59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.exe
3604	59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.exe

C:\Users\Admin\AppData\Local\Temp\59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.exe
"C:\Users\Admin\AppData\Local\Temp\59c47a02f630bcdabbb284a05d486479e7e507d9510e246d2c4bc48ad49984bf.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:3604

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/3604-0-0x0000000000CA0000-0x0000000001343000-memory.dmp

Filesize
6.6MB

Download
memory/3604-1-0x0000000077A34000-0x0000000077A36000-memory.dmp

Filesize
8KB

Download
memory/3604-2-0x0000000000CA1000-0x0000000000CB8000-memory.dmp

Filesize
92KB

Download
memory/3604-3-0x0000000000CA0000-0x0000000001343000-memory.dmp

Filesize
6.6MB

Download
memory/3604-4-0x0000000000CA0000-0x0000000001343000-memory.dmp

Filesize
6.6MB

Download