vipkeylogger | b5ef552757eeaf4d9be10ad82153244d76f8e8d065494759ff77fcbdabb68f26

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 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
2556	powershell.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 3068 set thread context of 2704	3068	pre-alert.exe	32

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
624	2704	WerFault.exe	32

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 2 IoCs

pid	Process
2704	RegSvcs.exe
2556	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	RegSvcs.exe
Token: SeDebugPrivilege	2556	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2556	3068	pre-alert.exe	30
PID 3068 wrote to memory of 2556	3068	pre-alert.exe	30
PID 3068 wrote to memory of 2556	3068	pre-alert.exe	30
PID 3068 wrote to memory of 2556	3068	pre-alert.exe	30
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 3068 wrote to memory of 2704	3068	pre-alert.exe	32
PID 2704 wrote to memory of 624	2704	RegSvcs.exe	33
PID 2704 wrote to memory of 624	2704	RegSvcs.exe	33
PID 2704 wrote to memory of 624	2704	RegSvcs.exe	33
PID 2704 wrote to memory of 624	2704	RegSvcs.exe	33

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 use of WriteProcessMemory
PID:3068
- 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:2556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 1080
    3⤵
    - Program crash
    PID:624

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2704-8-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2704-10-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2704-17-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2704-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2704-9-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2704-15-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2704-13-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2704-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3068-1-0x0000000001170000-0x00000000012B0000-memory.dmp

Filesize
1.2MB

Download
memory/3068-5-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-6-0x0000000000700000-0x000000000078E000-memory.dmp

Filesize
568KB

Download
memory/3068-4-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download
memory/3068-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download
memory/3068-2-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-3-0x0000000000460000-0x000000000047E000-memory.dmp

Filesize
120KB

Download
memory/3068-18-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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