stealc | d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 01:38

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General

Target

d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173.exe
Size

2.9MB
MD5

8277d9061bf9570c2f326288404c1132
SHA1

62d9cb088720ee9e550c0830b9193d1e7f045a06
SHA256

d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173
SHA512

817550f300d97dd02734596738365f2abd6d4238d59dd70c72a9534b21ed731cdd10c748c11a40488797065058ece72a29784f60c7c6f3f77439e59dfd11333d
SSDEEP

49152:sf7bDfuXk6rivjzjU16LcQyJAAs2whhAMeynDbliQDb915x7E:sDb7uU6rSjzjUALcQya2mh6yDb02NE

Score

10^/10

stealc dear discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

dear

http://185.215.113.103

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173.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	d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173.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	d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2744	d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173.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	d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2744	d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173.exe

C:\Users\Admin\AppData\Local\Temp\d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173.exe
"C:\Users\Admin\AppData\Local\Temp\d448fe9d22d4e34cfba0a5f0bcaeeeb2f2daf6f4bd5ed8996ab427ea87bed173.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:2744

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/2744-0-0x0000000000CD0000-0x00000000011DC000-memory.dmp

Filesize
5.0MB

Download
memory/2744-1-0x00000000775A0000-0x00000000775A2000-memory.dmp

Filesize
8KB

Download
memory/2744-2-0x0000000000CD1000-0x0000000000CE5000-memory.dmp

Filesize
80KB

Download
memory/2744-3-0x0000000000CD0000-0x00000000011DC000-memory.dmp

Filesize
5.0MB

Download
memory/2744-4-0x0000000000CD0000-0x00000000011DC000-memory.dmp

Filesize
5.0MB

Download