vipkeylogger | d59b1337750efa99c54d235a4ae25fd4a99f1c202b27248105cfcbc37edc45dc

General

Target

Factura.exe
Size

337KB
MD5

60274794f3fb71d2d5ba5e79040e848a
SHA1

540d7a3a0923aa576185561d931616b10a069074
SHA256

49b4309c8ed22ee8489f94f5fa9723c019e8d62b84fb284156f7211fe515fe87
SHA512

1c7e29c213ca2b9e8237f0c0f214ae1ffb334d418c36b659fbe7ebe44c30fe1f4748c77407914ddb1cc3a830a7abedd1fc680e3d969199bfe1304ef3c482c39b
SSDEEP

6144:mgyJN9fUXZ858P8GkWF6JVUs4yVrgBaoZdjW/CVzT8yrJLnIgEO:YJN9I2EZku6Jms4yEdjWqVzPrJLIgEO

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
smtp.ionos.es
Port:
587
Username:
[email protected]
Password:
55#cHsR%iCPw
Email To:
[email protected]

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Vipkeylogger family
vipkeylogger
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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
6	checkip.dyndns.org
17	reallyfreegeoip.org
18	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4272 set thread context of 1136	4272	Factura.exe	86

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4264	4272	WerFault.exe	82

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	Factura.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Factura.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1136	Factura.exe
1136	Factura.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1136	Factura.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 1916	4272	Factura.exe	83
PID 4272 wrote to memory of 1916	4272	Factura.exe	83
PID 4272 wrote to memory of 1916	4272	Factura.exe	83
PID 4272 wrote to memory of 1708	4272	Factura.exe	84
PID 4272 wrote to memory of 1708	4272	Factura.exe	84
PID 4272 wrote to memory of 1708	4272	Factura.exe	84
PID 4272 wrote to memory of 2736	4272	Factura.exe	85
PID 4272 wrote to memory of 2736	4272	Factura.exe	85
PID 4272 wrote to memory of 2736	4272	Factura.exe	85
PID 4272 wrote to memory of 1136	4272	Factura.exe	86
PID 4272 wrote to memory of 1136	4272	Factura.exe	86
PID 4272 wrote to memory of 1136	4272	Factura.exe	86
PID 4272 wrote to memory of 1136	4272	Factura.exe	86
PID 4272 wrote to memory of 1136	4272	Factura.exe	86
PID 4272 wrote to memory of 1136	4272	Factura.exe	86
PID 4272 wrote to memory of 1136	4272	Factura.exe	86
PID 4272 wrote to memory of 1136	4272	Factura.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura.exe

C:\Users\Admin\AppData\Local\Temp\Factura.exe
"C:\Users\Admin\AppData\Local\Temp\Factura.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Users\Admin\AppData\Local\Temp\Factura.exe
  "C:\Users\Admin\AppData\Local\Temp\Factura.exe"
  2⤵
  PID:1916
- C:\Users\Admin\AppData\Local\Temp\Factura.exe
  "C:\Users\Admin\AppData\Local\Temp\Factura.exe"
  2⤵
  PID:1708
- C:\Users\Admin\AppData\Local\Temp\Factura.exe
  "C:\Users\Admin\AppData\Local\Temp\Factura.exe"
  2⤵
  PID:2736
- C:\Users\Admin\AppData\Local\Temp\Factura.exe
  "C:\Users\Admin\AppData\Local\Temp\Factura.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 820
  2⤵
  - Program crash
  PID:4264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4272 -ip 4272
1⤵
PID:4224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

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

memory/1136-7-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/1136-9-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/1136-14-0x0000000006A10000-0x0000000006A1A000-memory.dmp

Filesize
40KB

Download
memory/1136-4-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1136-6-0x0000000005400000-0x000000000549C000-memory.dmp

Filesize
624KB

Download
memory/1136-13-0x0000000006C60000-0x0000000006CF2000-memory.dmp

Filesize
584KB

Download
memory/1136-12-0x0000000006910000-0x0000000006960000-memory.dmp

Filesize
320KB

Download
memory/1136-8-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/1136-11-0x0000000006A90000-0x0000000006C52000-memory.dmp

Filesize
1.8MB

Download
memory/1136-10-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4272-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/4272-1-0x0000000000780000-0x00000000007DA000-memory.dmp

Filesize
360KB

Download
memory/4272-5-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4272-2-0x0000000005580000-0x0000000005B24000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing