stealc | f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 19:05

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General

Target

f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd.exe
Size

1.8MB
MD5

a62bc779d59177e66e564da2811a2795
SHA1

076a0142197cd95a6ff3e0944c2e755e978d0047
SHA256

f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd
SHA512

9253f6aae80c452bba627d0782aa55315e3fc8b7a28153374a5e058f1d7eca3150af517f454041a84696c8be19e6f59a4d80327a10520d90e26c3a7527101814
SSDEEP

24576:40IbQoYLzCT5a+MeJF96Wdytbc/rtKIVV82FIJc9XdMUpQKw14nUt71DNwjKa9ab:EkmTPPGWgtbczPV9KENMU91671D3ac

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__	f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd.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	f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2488	f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd.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	f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2488	f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd.exe

C:\Users\Admin\AppData\Local\Temp\f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd.exe
"C:\Users\Admin\AppData\Local\Temp\f68653355038a7fd7dec0d6abcd5b2c7be680e908251da89801bf0f06ae248dd.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:2488

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/2488-0-0x0000000001340000-0x00000000019F1000-memory.dmp

Filesize
6.7MB

Download
memory/2488-1-0x0000000077460000-0x0000000077462000-memory.dmp

Filesize
8KB

Download
memory/2488-2-0x0000000001341000-0x0000000001358000-memory.dmp

Filesize
92KB

Download
memory/2488-3-0x0000000001340000-0x00000000019F1000-memory.dmp

Filesize
6.7MB

Download
memory/2488-5-0x0000000001340000-0x00000000019F1000-memory.dmp

Filesize
6.7MB

Download