stealc | dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 18:52

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General

Target

dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706.exe
Size

1.7MB
MD5

adeea870d7ce9d121a95b45ec8f32219
SHA1

613f9ff67d19671a2ccd2f6edcb79443953d4620
SHA256

dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706
SHA512

2ef12b5273eff636743d63affcfe2674befb5d7d6d70695548c5884d8b5777761465c02d6dcfc94d89a1046392fe87b387875f6501748af2c889a51af13de00f
SSDEEP

49152:klLNjPFw5g32sE5n4ajOJTbTBwklPefKe/yH00/k+:MLND0PQaQbTBwUPeye/yUN+

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__	dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706.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	dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1724	dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706.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	dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1724	dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706.exe

C:\Users\Admin\AppData\Local\Temp\dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706.exe
"C:\Users\Admin\AppData\Local\Temp\dc2e7cc6ba8be84b58107df1656078b61bb9d03e2eb71bf9a7d13f08689de706.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:1724

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/1724-0-0x0000000000ED0000-0x0000000001579000-memory.dmp

Filesize
6.7MB

Download
memory/1724-1-0x0000000077B90000-0x0000000077B92000-memory.dmp

Filesize
8KB

Download
memory/1724-2-0x0000000000ED1000-0x0000000000EE8000-memory.dmp

Filesize
92KB

Download
memory/1724-3-0x0000000000ED0000-0x0000000001579000-memory.dmp

Filesize
6.7MB

Download
memory/1724-4-0x0000000000ED0000-0x0000000001579000-memory.dmp

Filesize
6.7MB

Download