vipkeylogger | 9645096bc9e53a83a9aaa69a13c82fea38c8719faf27298afd25892bd9f788ec

General

Target

libvlc.dll
Size

5.4MB
MD5

e339e11223bb5e4ed51e7112dfa617da
SHA1

510687d976c6253cb8b3569d71aaf85a2c69ee70
SHA256

eeb4c6dd889c40d8b95ee00f2eff67a5d3e0d4a15034ab97a36662599b2e4f3e
SHA512

aad3586e35bda596ccfad245856f5a59467b0a3ecc14ef39bc2dbda4e830038eaf80cacb62cdcf7dccdbc1982f72974ef21553a56f35a940657197655a7c34f2
SSDEEP

49152:zUFv9Z4I+GBdNKgLLkFTaTMXWDIIWVAGe/IBlHelcPJOOr5V3P0jYThYFj52JPwW:omG8W2ZAGe/IBlGcPzi5W6P4a+GLQ1

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7518188422:AAHmsiSJGbuq2bkotqlSAYxEVWayoAQB6Rw/sendMessage?chat_id=5210110905

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.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
16	checkip.dyndns.org
19	reallyfreegeoip.org
20	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 116 set thread context of 4816	116	rundll32.exe	86

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4816	AddInProcess32.exe
4816	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4816	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 4816	116	rundll32.exe	86
PID 116 wrote to memory of 4816	116	rundll32.exe	86
PID 116 wrote to memory of 4816	116	rundll32.exe	86
PID 116 wrote to memory of 4816	116	rundll32.exe	86
PID 116 wrote to memory of 4816	116	rundll32.exe	86
PID 116 wrote to memory of 4816	116	rundll32.exe	86
PID 116 wrote to memory of 4816	116	rundll32.exe	86
PID 116 wrote to memory of 4816	116	rundll32.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libvlc.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:116
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.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:4816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/116-0-0x0000022FFD260000-0x0000022FFD270000-memory.dmp

Filesize
64KB

Download
memory/4816-894-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4816-895-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/4816-896-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/4816-897-0x0000000004EF0000-0x0000000004F8C000-memory.dmp

Filesize
624KB

Download
memory/4816-898-0x00000000745A0000-0x0000000074D50000-memory.dmp

Filesize
7.7MB

Download
memory/4816-899-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/4816-900-0x00000000745A0000-0x0000000074D50000-memory.dmp

Filesize
7.7MB

Download
memory/4816-901-0x00000000063C0000-0x0000000006582000-memory.dmp

Filesize
1.8MB

Download
memory/4816-902-0x0000000006240000-0x0000000006290000-memory.dmp

Filesize
320KB

Download
memory/4816-903-0x0000000006AC0000-0x0000000006FEC000-memory.dmp

Filesize
5.2MB

Download
memory/4816-904-0x0000000006590000-0x0000000006622000-memory.dmp

Filesize
584KB

Download
memory/4816-905-0x00000000063A0000-0x00000000063AA000-memory.dmp

Filesize
40KB

Download

Analysis

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