stealc | 0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65

General

Target

0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.exe
Size

5.0MB
MD5

f22722da7b1c90fecd83c31d36b340bc
SHA1

c4ad86cb51e6500efebdf881766bce37a91df23c
SHA256

0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65
SHA512

e174acae10cab4ed053f3c762aa97715374333c655afa3372ef62de0241d32c6d26ebf39aa006a2093f982344f7b3024fe3d57141c91bb42cc6a9efc0d9e28bb
SSDEEP

49152:7bwYmivCf29Vlkm8KYZzMrSd+mymkSS+ffK:fwYmivCf29Vlkm8KqzMrS4mpkSS+

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__	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.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	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.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
3568	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2232	3568	WerFault.exe	81

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	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.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	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3568	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.exe
3568	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.exe
3568	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.exe
3568	0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.exe

C:\Users\Admin\AppData\Local\Temp\0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.exe
"C:\Users\Admin\AppData\Local\Temp\0522d6cc5d6faa87342a6da57a35ffc3c0f010c0d338683cc61852975b005f65.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
PID:3568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3568 -s 1492
  2⤵
  - Program crash
  PID:2232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3568 -ip 3568
1⤵
PID:1056

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/3568-0-0x0000000000BF0000-0x00000000010F5000-memory.dmp

Filesize
5.0MB

Download
memory/3568-1-0x0000000077584000-0x0000000077586000-memory.dmp

Filesize
8KB

Download
memory/3568-2-0x0000000000BF1000-0x0000000000E3A000-memory.dmp

Filesize
2.3MB

Download
memory/3568-3-0x0000000000BF0000-0x00000000010F5000-memory.dmp

Filesize
5.0MB

Download
memory/3568-4-0x0000000000BF0000-0x00000000010F5000-memory.dmp

Filesize
5.0MB

Download
memory/3568-5-0x0000000000BF1000-0x0000000000E3A000-memory.dmp

Filesize
2.3MB

Download
memory/3568-6-0x0000000000BF0000-0x00000000010F5000-memory.dmp

Filesize
5.0MB

Download
memory/3568-7-0x0000000000BF0000-0x00000000010F5000-memory.dmp

Filesize
5.0MB

Download
memory/3568-8-0x0000000000BF0000-0x00000000010F5000-memory.dmp

Filesize
5.0MB

Download
memory/3568-9-0x0000000000BF0000-0x00000000010F5000-memory.dmp

Filesize
5.0MB

Download
memory/3568-10-0x0000000000BF1000-0x0000000000E3A000-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