vipkeylogger | f9925fbe9ba09a653092fabbcf4b097e46651f500ae7cfaf1f68515168b333c5

General

Target

pre-alert.exe
Size

1.2MB
MD5

aedc7ecabe46230d60a8059c86ddda08
SHA1

236dfa67dd9cd0c01500aa0a04c80aa3ca577d1c
SHA256

f9925fbe9ba09a653092fabbcf4b097e46651f500ae7cfaf1f68515168b333c5
SHA512

e26c1bece49d319a3777291fd94ba3fefd364940a2cb06cfc3a6cdc8a781c2aee5402db0cadd4d4a5780463662642ece5bec0fc3647103e6633ace07a16fc352
SSDEEP

24576:tq5eIN453LV5B4v/cug7em7x0XsC6jjR5yPDNFo2s0O8BD48rWHFDW+1RUrK:vIN2Z5B5zem7x0TY5yPDfoL0O8BD48rC

Score

10^/10

vipkeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
webmail.gvictery.com
Port:
25
Username:
[email protected]
Password:
Hong1357@J
Email To:
[email protected]

C2

https://api.telegram.org/bot7452517787:AAFRCQzX_IamMx-kAJG8lXDhSv2cnnBqR7U/sendMessage?chat_id=7256026967

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2784	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 2924	2492	pre-alert.exe	34

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	pre-alert.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2784	powershell.exe
2492	pre-alert.exe
2492	pre-alert.exe
2924	RegSvcs.exe
2924	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	powershell.exe
Token: SeDebugPrivilege	2492	pre-alert.exe
Token: SeDebugPrivilege	2924	RegSvcs.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2784	2492	pre-alert.exe	31
PID 2492 wrote to memory of 2784	2492	pre-alert.exe	31
PID 2492 wrote to memory of 2784	2492	pre-alert.exe	31
PID 2492 wrote to memory of 2784	2492	pre-alert.exe	31
PID 2492 wrote to memory of 2796	2492	pre-alert.exe	33
PID 2492 wrote to memory of 2796	2492	pre-alert.exe	33
PID 2492 wrote to memory of 2796	2492	pre-alert.exe	33
PID 2492 wrote to memory of 2796	2492	pre-alert.exe	33
PID 2492 wrote to memory of 2796	2492	pre-alert.exe	33
PID 2492 wrote to memory of 2796	2492	pre-alert.exe	33
PID 2492 wrote to memory of 2796	2492	pre-alert.exe	33
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34
PID 2492 wrote to memory of 2924	2492	pre-alert.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\pre-alert.exe
"C:\Users\Admin\AppData\Local\Temp\pre-alert.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\pre-alert.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2784
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2796
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

1

T1217

System Information Discovery

1

T1082

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

Loading Replay Monitor...

Downloads

memory/2492-22-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-1-0x0000000000200000-0x0000000000340000-memory.dmp

Filesize
1.2MB

Download
memory/2492-2-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-3-0x00000000009D0000-0x00000000009EE000-memory.dmp

Filesize
120KB

Download
memory/2492-4-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2492-5-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-6-0x0000000000340000-0x00000000003CE000-memory.dmp

Filesize
568KB

Download
memory/2492-7-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2924-14-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2924-20-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2924-19-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2924-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2924-16-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2924-12-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2924-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2924-21-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing