stealc | 078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 02:04

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General

Target

078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.exe
Size

1.7MB
MD5

c230b09dffbaa5c228a103fe1a9eb72b
SHA1

0ed4ee5dc0543deb75d669ec421f0a21481319f2
SHA256

078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36
SHA512

57e6e491f4fce9ba3faa10af66d3e34dc433daad16dbc12990b43c9ce33c2de9ee3bf6c3f66c7807c747c350165fceb7994f09c7feea2086e71c900234a4a253
SSDEEP

49152:Ewia9yyyVPQwP+mlC5FnA3F7aCiU77SVS3wtH+i:EB1Oed46rAY

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__	078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.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	078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3748	078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.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	078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3748	078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.exe
3748	078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.exe

C:\Users\Admin\AppData\Local\Temp\078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.exe
"C:\Users\Admin\AppData\Local\Temp\078a612b19d3430a942b6a603bf46aee836f65a516b57b681f9f5ce89fa8de36.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:3748

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/3748-0-0x0000000000270000-0x00000000008F3000-memory.dmp

Filesize
6.5MB

Download
memory/3748-1-0x0000000077204000-0x0000000077206000-memory.dmp

Filesize
8KB

Download
memory/3748-2-0x0000000000271000-0x0000000000288000-memory.dmp

Filesize
92KB

Download
memory/3748-3-0x0000000000270000-0x00000000008F3000-memory.dmp

Filesize
6.5MB

Download
memory/3748-4-0x0000000000270000-0x00000000008F3000-memory.dmp

Filesize
6.5MB

Download