404keylogger | e87b86817a7a63d7084319ed07a798c9b64ddf482d7ee59549d4aa3280f20a08

General

Target

aviso de transfer.exe
Size

331KB
MD5

78beed59bdbe8e675f2ca67f22dd92be
SHA1

c6ddfea4e4163ca722f96a75c9070e18b404755d
SHA256

cab9baeed0b5b271cf9de3361483d662e52c75dd6a73544701980f29210dc49e
SHA512

e35f37f9b6d7068fbd68605e177ba313441e0b594347e21e65c2bbb60b46408e4d60bc01d22086b7d90fee69f7d596c88f7608f1c2a9d1fa4a924ccd26dd8c54
SSDEEP

6144:b11zsVVxiyNnpxz1FEQOVA9/f1uuOyMGGDfqztNY/rvX0H+KDfQ+44Ym2siyUe:x1zsVVxiqFEs9/f1ulGGDqztWu+2fQFW

Score

10^/10

404keylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.maccinox.com
Port:
587
Username:
[email protected]
Password:
peru2016

Signatures

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

404 Keylogger Main Executable 5 IoCs

resource	yara_rule
behavioral1/memory/612-14-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/612-11-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/612-10-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/612-18-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/612-16-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Loads dropped DLL 5 IoCs

pid	Process
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.exe
2964	WerFault.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
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
T1552.001
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
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aviso de transfer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aviso de transfer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aviso de transfer.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 612	1944	aviso de transfer.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2964	612	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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	aviso de transfer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aviso de transfer.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	aviso de transfer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	aviso de transfer.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
612	aviso de transfer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	612	aviso de transfer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
612	aviso de transfer.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 612	1944	aviso de transfer.exe	29
PID 1944 wrote to memory of 612	1944	aviso de transfer.exe	29
PID 1944 wrote to memory of 612	1944	aviso de transfer.exe	29
PID 1944 wrote to memory of 612	1944	aviso de transfer.exe	29
PID 1944 wrote to memory of 612	1944	aviso de transfer.exe	29
PID 1944 wrote to memory of 612	1944	aviso de transfer.exe	29
PID 1944 wrote to memory of 612	1944	aviso de transfer.exe	29
PID 1944 wrote to memory of 612	1944	aviso de transfer.exe	29
PID 1944 wrote to memory of 612	1944	aviso de transfer.exe	29
PID 612 wrote to memory of 2964	612	aviso de transfer.exe	31
PID 612 wrote to memory of 2964	612	aviso de transfer.exe	31
PID 612 wrote to memory of 2964	612	aviso de transfer.exe	31
PID 612 wrote to memory of 2964	612	aviso de transfer.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aviso de transfer.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aviso de transfer.exe

C:\Users\Admin\AppData\Local\Temp\aviso de transfer.exe
"C:\Users\Admin\AppData\Local\Temp\aviso de transfer.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\aviso de transfer.exe
  "C:\Users\Admin\AppData\Local\Temp\aviso de transfer.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 612 -s 1828
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\aviso de transfer.exe

Filesize
331KB

MD5
78beed59bdbe8e675f2ca67f22dd92be

SHA1
c6ddfea4e4163ca722f96a75c9070e18b404755d

SHA256
cab9baeed0b5b271cf9de3361483d662e52c75dd6a73544701980f29210dc49e

SHA512
e35f37f9b6d7068fbd68605e177ba313441e0b594347e21e65c2bbb60b46408e4d60bc01d22086b7d90fee69f7d596c88f7608f1c2a9d1fa4a924ccd26dd8c54

Download Submit
memory/612-20-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/612-16-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/612-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/612-11-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/612-21-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/612-18-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/612-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/612-14-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/612-10-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/612-28-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/612-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1944-3-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/1944-6-0x0000000001310000-0x0000000001360000-memory.dmp

Filesize
320KB

Download
memory/1944-2-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/1944-0-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/1944-19-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/1944-5-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/1944-1-0x00000000013D0000-0x0000000001428000-memory.dmp

Filesize
352KB

Download
memory/1944-4-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing