stealc | cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2024 19:14

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General

Target

cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.exe
Size

1.7MB
MD5

66bcb6e17b5fb8da5c8791b5fd6cadec
SHA1

a7ef8cd29018bce43618425c1f211ab4d7d3c88e
SHA256

cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd
SHA512

76708812f23247c7ab921adb69f1fe3c79e3bef5f2fd374021ab120644a7c4e9768b202c3283edcfb9b7b42647e86f880021eb340594b0cbc0b07938408a8aed
SSDEEP

49152:Vs9In8t4aEJdUgUxvGCCIrdCYoPYdViYRGrO/eZ/BX1:1CvqIrgLPl6GrO/M

Score

10^/10

stealc drum discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

drum

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__	cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.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	cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3336	cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.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	cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3336	cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.exe
3336	cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.exe

C:\Users\Admin\AppData\Local\Temp\cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.exe
"C:\Users\Admin\AppData\Local\Temp\cc9109ffeede3b8f3117ccb1bae82347c4506e08e2a06c3bffd15608dad16cfd.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:3336

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/3336-0-0x0000000000BF0000-0x0000000001271000-memory.dmp

Filesize
6.5MB

Download
memory/3336-1-0x0000000077584000-0x0000000077586000-memory.dmp

Filesize
8KB

Download
memory/3336-2-0x0000000000BF1000-0x0000000000C08000-memory.dmp

Filesize
92KB

Download
memory/3336-3-0x0000000000BF0000-0x0000000001271000-memory.dmp

Filesize
6.5MB

Download
memory/3336-4-0x0000000000BF0000-0x0000000001271000-memory.dmp

Filesize
6.5MB

Download