stealc | c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:34

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General

Target

c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe
Size

1.7MB
MD5

fa42e6e289aa71b35af21bb42409f81f
SHA1

e44dcb353f84af8e6c81ebb6654945898b7fbedd
SHA256

c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7
SHA512

ffbf8c9e4e7e25c388b69a6d8ad4233bd720400d9c482093999b36b642800457494796620bcf310e907b90d5d1d2a6f5036ceb248c1841dfb5fdfefc9b2dd328
SSDEEP

24576:m0NcbFSaM1s2gtdunZBw3h88o1GUe0ZzxwSUU/qJNeKOPzcObLJtuXBpBCZjPwLV:m0GhSaMG1cCTeNURJGzbuR5iKcK

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

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__	c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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	c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine	c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3040	c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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	c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3040	c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe

C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe
"C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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:3040

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/3040-0-0x0000000000B80000-0x0000000001210000-memory.dmp

Filesize
6.6MB

Download
memory/3040-1-0x0000000077C80000-0x0000000077C82000-memory.dmp

Filesize
8KB

Download
memory/3040-2-0x0000000000B81000-0x0000000000BA4000-memory.dmp

Filesize
140KB

Download
memory/3040-3-0x0000000000B80000-0x0000000001210000-memory.dmp

Filesize
6.6MB

Download
memory/3040-5-0x0000000000B80000-0x0000000001210000-memory.dmp

Filesize
6.6MB

Download