stealc | 26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 07:39

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General

Target

26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe
Size

1.8MB
MD5

7c417f9adfd8e368f6c9c5b46dc08397
SHA1

032bfe5ef2b2fca51751812f127f0de47e42c541
SHA256

26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717
SHA512

092071c05f458d55112b552e2c94646729c987a6e9be78862102310159dab752f18e1bc10b56dd6fc6263d2aeb6ea6dd4daab21024fbb1adff1b805308f865bf
SSDEEP

49152:aSj3C9cP6CMpA9/wRSdTRIewPsmsebIBfQoG:pAcP6f69YRoTRIewcebOHG

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

Processes:

26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.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

Processes:

26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.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

Processes:

26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe

pid	Process
1736	26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.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

Processes:

26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe

pid	Process
1736	26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe

C:\Users\Admin\AppData\Local\Temp\26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.exe
"C:\Users\Admin\AppData\Local\Temp\26be2c3d18724db12da420e2c591d4d31e19057bee795cc1b64febb08f5ab717.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:1736

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/1736-0-0x0000000000F60000-0x0000000001618000-memory.dmp

Filesize
6.7MB

Download
memory/1736-1-0x0000000077870000-0x0000000077872000-memory.dmp

Filesize
8KB

Download
memory/1736-2-0x0000000000F61000-0x0000000000F78000-memory.dmp

Filesize
92KB

Download
memory/1736-3-0x0000000000F60000-0x0000000001618000-memory.dmp

Filesize
6.7MB

Download
memory/1736-4-0x0000000000F60000-0x0000000001618000-memory.dmp

Filesize
6.7MB

Download