stealc | 099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 02:06

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General

Target

099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25.exe
Size

1.7MB
MD5

9669088834eac5ce82390081d8ba345e
SHA1

440930fb6eb8145f1faf1333b735541c93ba8486
SHA256

099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25
SHA512

79340656a33fa58f7e4fc59ddaf8db335895e1ed3a8accb451ee2a0b874d7758dd244db5c46ecf51edecbc45b2ca73f77b2535c5592464ba6e68ac0fa578898b
SSDEEP

24576:M8ZtqtQUeQK5wHm3CZ7IFcLPDornR9QAOnKtmp522vqRqHvIe:9N5py5ImLP0ntOKYD2ijg

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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__	099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25.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	099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2280	099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25.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	099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2280	099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25.exe

C:\Users\Admin\AppData\Local\Temp\099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25.exe
"C:\Users\Admin\AppData\Local\Temp\099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25.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:2280

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

Replay Monitor

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Downloads

memory/2280-0-0x0000000000C90000-0x0000000001332000-memory.dmp

Filesize
6.6MB

Download
memory/2280-1-0x0000000076FA0000-0x0000000076FA2000-memory.dmp

Filesize
8KB

Download
memory/2280-2-0x0000000000C91000-0x0000000000CA8000-memory.dmp

Filesize
92KB

Download
memory/2280-3-0x0000000000C90000-0x0000000001332000-memory.dmp

Filesize
6.6MB

Download
memory/2280-5-0x0000000000C90000-0x0000000001332000-memory.dmp

Filesize
6.6MB

Download