stealc | 11201f9b216791855365b42659d114cc8c343a61d3239f8390c9d43ecbe7a679

Analysis

max time kernel
93s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 20:23

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General

Target

random.exe
Size

1.7MB
MD5

fef55d2c719d3b8dba0d89f08455d3c8
SHA1

2b3a14027c9df14cfa1e4776c9cd5cf0bbe73ab2
SHA256

11201f9b216791855365b42659d114cc8c343a61d3239f8390c9d43ecbe7a679
SHA512

4b9352a824c13b90cf9f5876bb0de53f16b2f46a30e5c6997654a487ef64c82d2406186af6fabfe0859ef877bd9dd27ff9a6cd4b980c9747127f689166291ec6
SSDEEP

49152:iWEAYa9z0Ea7+z7quxu+tKj4sLzXPChAFhvlYetfJYw9b:prHwiCuTs4sXfeAFhvlYSfp9

Score

10^/10

stealc kira defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

kira

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__	random.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	random.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	random.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-1-5-21-2211717155-842865201-3404093980-1000\Software\Wine	random.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
4876	random.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3672	4876	WerFault.exe	82

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4876	random.exe
4876	random.exe
4876	random.exe
4876	random.exe

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.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:4876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 1476
  2⤵
  - Program crash
  PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4876 -ip 4876
1⤵
PID:764

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

Replay Monitor

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Downloads

memory/4876-0-0x0000000000700000-0x0000000000D9B000-memory.dmp

Filesize
6.6MB

Download
memory/4876-1-0x00000000775C4000-0x00000000775C6000-memory.dmp

Filesize
8KB

Download
memory/4876-2-0x0000000000701000-0x0000000000718000-memory.dmp

Filesize
92KB

Download
memory/4876-3-0x0000000000700000-0x0000000000D9B000-memory.dmp

Filesize
6.6MB

Download
memory/4876-4-0x0000000000700000-0x0000000000D9B000-memory.dmp

Filesize
6.6MB

Download
memory/4876-5-0x0000000000700000-0x0000000000D9B000-memory.dmp

Filesize
6.6MB

Download
memory/4876-6-0x0000000000700000-0x0000000000D9B000-memory.dmp

Filesize
6.6MB

Download
memory/4876-7-0x0000000000700000-0x0000000000D9B000-memory.dmp

Filesize
6.6MB

Download
memory/4876-8-0x0000000000700000-0x0000000000D9B000-memory.dmp

Filesize
6.6MB

Download