stealc | 69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f

General

Target

69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe
Size

2.8MB
MD5

6573693c2c60cf961bccc52212548798
SHA1

2feebb1fa6bb01383984b487e81a2ea95a30dd46
SHA256

69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f
SHA512

8da5314aef5c69193589a49db2eeb8853c4ac1acabb823ec4be0acc4b9683b4e8c4c686dff134c44a8191008c5b6dbf1484b163a418e1f160524927afe6bd420
SSDEEP

24576:m/voM07L1LfFKO6tTJ53+tE6kLT+5KEY+Hz8846amFUfxqYOmsrEp+9ZCkgG7RzZ:JMg1Lfsv3B7cHYO0x4msrvZCTKR5bnD

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__	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.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	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.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-1-5-21-2039016743-699959520-214465309-1000\Software\Wine	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.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
2876	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2064	2876	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	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2876	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe
2876	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2064	2876	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe	32
PID 2876 wrote to memory of 2064	2876	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe	32
PID 2876 wrote to memory of 2064	2876	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe	32
PID 2876 wrote to memory of 2064	2876	69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe	32

C:\Users\Admin\AppData\Local\Temp\69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.exe
"C:\Users\Admin\AppData\Local\Temp\69d63576968a32f9c76ca14bbf10993300fe50799a396f87ca58612c8838ef2f.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:2876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 928
  2⤵
  - Program crash
  PID:2064

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/2876-0-0x0000000000190000-0x000000000068B000-memory.dmp

Filesize
5.0MB

Download
memory/2876-1-0x00000000778B0000-0x00000000778B2000-memory.dmp

Filesize
8KB

Download
memory/2876-2-0x0000000000191000-0x00000000001A8000-memory.dmp

Filesize
92KB

Download
memory/2876-3-0x0000000000190000-0x000000000068B000-memory.dmp

Filesize
5.0MB

Download
memory/2876-4-0x0000000000190000-0x000000000068B000-memory.dmp

Filesize
5.0MB

Download
memory/2876-5-0x0000000000190000-0x000000000068B000-memory.dmp

Filesize
5.0MB

Download
memory/2876-6-0x0000000000190000-0x000000000068B000-memory.dmp

Filesize
5.0MB

Download
memory/2876-7-0x0000000000190000-0x000000000068B000-memory.dmp

Filesize
5.0MB

Download
memory/2876-8-0x0000000000190000-0x000000000068B000-memory.dmp

Filesize
5.0MB

Download
memory/2876-9-0x0000000000190000-0x000000000068B000-memory.dmp

Filesize
5.0MB

Download
memory/2876-10-0x0000000000190000-0x000000000068B000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads