stealc | cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1

General

Target

cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.exe
Size

2.8MB
MD5

763a2ab81b06ab00e728071e686bec77
SHA1

2eb038527e6486ad4a1c440fa970ee85e821c51b
SHA256

cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1
SHA512

6d1e645c4f417a418b63003e9f0c1a205738f88fa7188665b5d44b2384e45a54f5690faff5f4749c9d93b1e50def92d276c59b21d955372c2fca60a804b57cc3
SSDEEP

49152:It1GsqsfC90uwxI5NEwmfD8PNVNQLUvYM9ggVo:It1GsqsfC90xI5NEwmfD8lsoHmN

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__	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.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	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.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
2276	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5040	2276	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	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.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	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2276	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.exe
2276	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.exe
2276	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.exe
2276	cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.exe

C:\Users\Admin\AppData\Local\Temp\cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.exe
"C:\Users\Admin\AppData\Local\Temp\cb0ed9b54a262f1bedbcccc6eeae7c112429950126b6d395d7ea76b1ac760bc1.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:2276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 1492
  2⤵
  - Program crash
  PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2276 -ip 2276
1⤵
PID:4908

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/2276-0-0x0000000000360000-0x0000000000859000-memory.dmp

Filesize
5.0MB

Download
memory/2276-1-0x00000000779A4000-0x00000000779A6000-memory.dmp

Filesize
8KB

Download
memory/2276-2-0x0000000000361000-0x0000000000378000-memory.dmp

Filesize
92KB

Download
memory/2276-3-0x0000000000360000-0x0000000000859000-memory.dmp

Filesize
5.0MB

Download
memory/2276-4-0x0000000000360000-0x0000000000859000-memory.dmp

Filesize
5.0MB

Download
memory/2276-5-0x0000000000360000-0x0000000000859000-memory.dmp

Filesize
5.0MB

Download
memory/2276-6-0x0000000000360000-0x0000000000859000-memory.dmp

Filesize
5.0MB

Download
memory/2276-7-0x0000000000360000-0x0000000000859000-memory.dmp

Filesize
5.0MB

Download
memory/2276-8-0x0000000000360000-0x0000000000859000-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