404keylogger | dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328

Resubmissions

31-07-2022 06:49

220731-hls6jaebgm 10

Analysis

max time kernel
90s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2022 06:49

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General

Target

dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe
Size

110KB
MD5

d0896b51656cdb77ea031ef845a65f9d
SHA1

99e322b98a5a682d5f89f0cce5d56ec423692df3
SHA256

dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328
SHA512

107aff672e4718faff26f3660e622d99e64e6ed0939ceb2ca59a57dcee91ddfce091e5cfb9aaa8cec1d13d1ede9a71a56a83401643043cab4d8b6174e82767d2

Score

10^/10

404keylogger collection keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
]WqfQ8cSP2)6O

Signatures

404 Keylogger
Information stealer and keylogger first seen in 2019.
stealer keylogger 404keylogger

404 Keylogger Main Executable 1 IoCs

resource	yara_rule
behavioral2/memory/4884-130-0x0000000000250000-0x0000000000272000-memory.dmp	family_404keylogger

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
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
10	checkip.dyndns.org

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3668	4884	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4884	dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4884	dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe

C:\Users\Admin\AppData\Local\Temp\dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe
"C:\Users\Admin\AppData\Local\Temp\dcb0b1dbf63576f8aaafda01590cd895149aa4bf3c0572eb56f98eda0e336328.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4884
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 2096
  2⤵
  - Program crash
  PID:3668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4884 -ip 4884
1⤵
PID:3596

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4884-130-0x0000000000250000-0x0000000000272000-memory.dmp

Filesize
136KB

Download
memory/4884-131-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download
memory/4884-132-0x0000000004C20000-0x0000000004CBC000-memory.dmp

Filesize
624KB

Download
memory/4884-133-0x0000000005D10000-0x0000000005D76000-memory.dmp

Filesize
408KB

Download
memory/4884-134-0x0000000006260000-0x00000000062F2000-memory.dmp

Filesize
584KB

Download
memory/4884-135-0x00000000064D0000-0x0000000006692000-memory.dmp

Filesize
1.8MB

Download