stealc | be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab

General

Target

be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe
Size

342KB
MD5

f872c4b67deb6d533f5c0b40bf2775ba
SHA1

9180999c22e135a66aa12a45d2a74839f549156f
SHA256

be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab
SHA512

555fd220929c54e18264847582cf83c46c251cb02e584386457a4ad87bbddeafe96f01dd88acf20ee48ee5070771e99a5d9b08c9c90b490aabe44d8df714305d
SSDEEP

6144:BTLARf0l3Ma1b35uzAxawSGIe/3T9/LI3Dcl3PeCfk:JMR8dZ35uzAxdSGI23T9DooFW

Score

10^/10

stealc default9_cap credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default9_cap

C2

http://62.204.41.177

Attributes

url_path
/edd20096ecef326d.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
512	1224	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 3 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	be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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	be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4288	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1224	be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe
1224	be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 1876	1224	be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe	86
PID 1224 wrote to memory of 1876	1224	be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe	86
PID 1224 wrote to memory of 1876	1224	be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe	86
PID 1876 wrote to memory of 4288	1876	cmd.exe	91
PID 1876 wrote to memory of 4288	1876	cmd.exe	91
PID 1876 wrote to memory of 4288	1876	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe
"C:\Users\Admin\AppData\Local\Temp\be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\be6c6efc46ddfa7aaeb3619d3469457c2d38ba1c7f84a456d5d7e4a9f598caab.exe" & del "C:\ProgramData\*.dll"" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1876
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4288
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 1420
  2⤵
  - Program crash
  PID:512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1224 -ip 1224
1⤵
PID:4180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1224-1-0x0000000002BA0000-0x0000000002CA0000-memory.dmp

Filesize
1024KB

Download
memory/1224-2-0x00000000048A0000-0x00000000048EE000-memory.dmp

Filesize
312KB

Download
memory/1224-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1224-6-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/1224-5-0x00000000048A0000-0x00000000048EE000-memory.dmp

Filesize
312KB

Download
memory/1224-4-0x0000000000400000-0x0000000002B59000-memory.dmp

Filesize
39.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads