stealc | 00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a

General

Target

00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe
Size

4.9MB
MD5

62e52b135481085a1aae0e8155f1544d
SHA1

bd539a7ea4cb05ffbea716ae7de407159cbfa5ea
SHA256

00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a
SHA512

35057d291d14037c7e761e93fd7481205c1b5b12e8bc5f8b9b86e8ca63bc46a29c558eb1cb8b877a30fb102ffa6779e331cff449c6177f4a06fbe8c12919d4cc
SSDEEP

49152:rlBLil2RyUFD5tcc/2X233GQ8LSn+1w0:rbLil2kUFD5tccem3dM

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

C2

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__	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.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	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2860	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2656	2860	WerFault.exe	29

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	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor 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\CentralProcessor\0\ProcessorNameString	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2860	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe
2860	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2656	2860	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe	32
PID 2860 wrote to memory of 2656	2860	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe	32
PID 2860 wrote to memory of 2656	2860	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe	32
PID 2860 wrote to memory of 2656	2860	00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe	32

C:\Users\Admin\AppData\Local\Temp\00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.exe
"C:\Users\Admin\AppData\Local\Temp\00c6faddf5024f7e86982555b8c8ccd902d3c782591d33c9c8082c10b45ac94a.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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 912
  2⤵
  - Program crash
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

5

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2860-0-0x0000000001100000-0x00000000015F3000-memory.dmp

Filesize
4.9MB

Download
memory/2860-1-0x00000000773F0000-0x00000000773F2000-memory.dmp

Filesize
8KB

Download
memory/2860-2-0x0000000001101000-0x000000000134A000-memory.dmp

Filesize
2.3MB

Download
memory/2860-3-0x0000000001100000-0x00000000015F3000-memory.dmp

Filesize
4.9MB

Download
memory/2860-4-0x0000000001100000-0x00000000015F3000-memory.dmp

Filesize
4.9MB

Download
memory/2860-5-0x0000000001101000-0x000000000134A000-memory.dmp

Filesize
2.3MB

Download
memory/2860-6-0x0000000001100000-0x00000000015F3000-memory.dmp

Filesize
4.9MB

Download
memory/2860-7-0x0000000001100000-0x00000000015F3000-memory.dmp

Filesize
4.9MB

Download
memory/2860-8-0x0000000001100000-0x00000000015F3000-memory.dmp

Filesize
4.9MB

Download
memory/2860-9-0x0000000001100000-0x00000000015F3000-memory.dmp

Filesize
4.9MB

Download
memory/2860-10-0x0000000001100000-0x00000000015F3000-memory.dmp

Filesize
4.9MB

Download
memory/2860-11-0x0000000001100000-0x00000000015F3000-memory.dmp

Filesize
4.9MB

Download
memory/2860-12-0x0000000001100000-0x00000000015F3000-memory.dmp

Filesize
4.9MB

Download
memory/2860-13-0x0000000001101000-0x000000000134A000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads