stealc | 10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a

General

Target

10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.exe
Size

1.7MB
MD5

48ec6e9362bfd15ded182914ddb1c74b
SHA1

169da3cabf77daf6885c6f47c1e1e6d223c63140
SHA256

10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a
SHA512

c48cfaf1daa8a1ae20b81f0360fc1bbf1f49c822bf53b7306a8d0ef9a5b2552cf03a9a1acc79f5f8cd9531f066e2a34a00dc2040a6711ec3b439b7f318eed427
SSDEEP

49152:O+tEL3wUEM2sdzeJgVz/nSbp2d1AkkMsmXtrSG:I38MbAgVznHk8ZS

Score

10^/10

stealc reno defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.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	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Wine	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.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
4840	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
928	4840	WerFault.exe	83

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	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.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	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4840	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.exe
4840	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.exe
4840	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.exe
4840	10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.exe

C:\Users\Admin\AppData\Local\Temp\10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.exe
"C:\Users\Admin\AppData\Local\Temp\10cb192d70fed12a6376cc0c693c08aa8b04973c8aa1c319b8d9be9cbc163e6a.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:4840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 1444
  2⤵
  - Program crash
  PID:928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4840 -ip 4840
1⤵
PID:4404

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/4840-0-0x0000000000DB0000-0x0000000001448000-memory.dmp

Filesize
6.6MB

Download
memory/4840-1-0x00000000778D4000-0x00000000778D6000-memory.dmp

Filesize
8KB

Download
memory/4840-2-0x0000000000DB1000-0x0000000000DC8000-memory.dmp

Filesize
92KB

Download
memory/4840-3-0x0000000000DB0000-0x0000000001448000-memory.dmp

Filesize
6.6MB

Download
memory/4840-4-0x0000000000DB0000-0x0000000001448000-memory.dmp

Filesize
6.6MB

Download
memory/4840-5-0x0000000000DB0000-0x0000000001448000-memory.dmp

Filesize
6.6MB

Download
memory/4840-6-0x0000000000DB0000-0x0000000001448000-memory.dmp

Filesize
6.6MB

Download
memory/4840-7-0x0000000000DB0000-0x0000000001448000-memory.dmp

Filesize
6.6MB

Download
memory/4840-8-0x0000000000DB0000-0x0000000001448000-memory.dmp

Filesize
6.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads