stealc | 6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0

General

Target

6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe
Size

2.7MB
MD5

8b06fac3f25efc2c2c21b97727b7afec
SHA1

210a1e3a210391ba6fe98e1913ab2fc70abf2c09
SHA256

6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0
SHA512

7aeda0b6cdf41eb38d6ec1fb3c4492427330f459e71e057d15fc075b584f04342b12af0d6711cc8583fd4067aa49dfb7646950d18e2d6171e07e329df5700cff
SSDEEP

49152:JM989Dj1Fb/Tmwm6SVSd4lEfjLatnvwwMJ4tVc:JMG9DzrTmwtSVS2WHaFMi

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__	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.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	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.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
2344	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2744	2344	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	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.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	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2344	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe
2344	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2744	2344	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe	32
PID 2344 wrote to memory of 2744	2344	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe	32
PID 2344 wrote to memory of 2744	2344	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe	32
PID 2344 wrote to memory of 2744	2344	6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe	32

C:\Users\Admin\AppData\Local\Temp\6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.exe
"C:\Users\Admin\AppData\Local\Temp\6b0e96c1acb41e4f49a6632bb02887cc116377598654e5815e3a99592bcaf9e0.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:2344
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 940
  2⤵
  - Program crash
  PID:2744

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/2344-0-0x0000000001250000-0x000000000173C000-memory.dmp

Filesize
4.9MB

Download
memory/2344-1-0x0000000077820000-0x0000000077822000-memory.dmp

Filesize
8KB

Download
memory/2344-2-0x0000000001251000-0x0000000001268000-memory.dmp

Filesize
92KB

Download
memory/2344-3-0x0000000001250000-0x000000000173C000-memory.dmp

Filesize
4.9MB

Download
memory/2344-4-0x0000000001250000-0x000000000173C000-memory.dmp

Filesize
4.9MB

Download
memory/2344-5-0x0000000001250000-0x000000000173C000-memory.dmp

Filesize
4.9MB

Download
memory/2344-6-0x0000000001250000-0x000000000173C000-memory.dmp

Filesize
4.9MB

Download
memory/2344-7-0x0000000001250000-0x000000000173C000-memory.dmp

Filesize
4.9MB

Download
memory/2344-8-0x0000000001250000-0x000000000173C000-memory.dmp

Filesize
4.9MB

Download
memory/2344-9-0x0000000001250000-0x000000000173C000-memory.dmp

Filesize
4.9MB

Download
memory/2344-10-0x0000000001250000-0x000000000173C000-memory.dmp

Filesize
4.9MB

Download
memory/2344-11-0x0000000001250000-0x000000000173C000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads