vipkeylogger | db49472040ee226b7140171b9202e05386125f9b9e4ed7fce4509ed3c8a20db9

General

Target

Fiyatteklifihk.exe
Size

744KB
MD5

f41bb88f7e4dcf7da1752be392809076
SHA1

a1d308e08021468587fb29bc902aae7f3ab415fc
SHA256

db49472040ee226b7140171b9202e05386125f9b9e4ed7fce4509ed3c8a20db9
SHA512

5d3c20b3f25affa7ac0ec365c532eafb36c8b3d01cf5aa50a677d9cc4b76fbe7be05482e1f1b79e47e764efa0e329dabb6b590ad081cff040546b925522a6301
SSDEEP

12288:YdulYyOn6nzx7qJgB67Zlgns4HAJRt5O9uBsz8itCLH4G3HA2qU+F2d6qAQDHL:LY9n6nhb6CWO9uPZHA2z6qAQ

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

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
2744	powershell.exe

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fiyatteklifihk.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fiyatteklifihk.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fiyatteklifihk.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 1104 set thread context of 2808	1104	Fiyatteklifihk.exe	33

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

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1104	Fiyatteklifihk.exe
1104	Fiyatteklifihk.exe
2808	Fiyatteklifihk.exe
2744	powershell.exe
2808	Fiyatteklifihk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1104	Fiyatteklifihk.exe
Token: SeDebugPrivilege	2808	Fiyatteklifihk.exe
Token: SeDebugPrivilege	2744	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2808	Fiyatteklifihk.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 2744	1104	Fiyatteklifihk.exe	31
PID 1104 wrote to memory of 2744	1104	Fiyatteklifihk.exe	31
PID 1104 wrote to memory of 2744	1104	Fiyatteklifihk.exe	31
PID 1104 wrote to memory of 2744	1104	Fiyatteklifihk.exe	31
PID 1104 wrote to memory of 2808	1104	Fiyatteklifihk.exe	33
PID 1104 wrote to memory of 2808	1104	Fiyatteklifihk.exe	33
PID 1104 wrote to memory of 2808	1104	Fiyatteklifihk.exe	33
PID 1104 wrote to memory of 2808	1104	Fiyatteklifihk.exe	33
PID 1104 wrote to memory of 2808	1104	Fiyatteklifihk.exe	33
PID 1104 wrote to memory of 2808	1104	Fiyatteklifihk.exe	33
PID 1104 wrote to memory of 2808	1104	Fiyatteklifihk.exe	33
PID 1104 wrote to memory of 2808	1104	Fiyatteklifihk.exe	33
PID 1104 wrote to memory of 2808	1104	Fiyatteklifihk.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fiyatteklifihk.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fiyatteklifihk.exe

C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.exe
"C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1104
- 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\Fiyatteklifihk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.exe
  "C:\Users\Admin\AppData\Local\Temp\Fiyatteklifihk.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2808

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

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 Information Discovery

1

T1082

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

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Downloads

memory/1104-22-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1104-1-0x00000000009E0000-0x0000000000AA0000-memory.dmp

Filesize
768KB

Download
memory/1104-2-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1104-0-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/1104-4-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/1104-5-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1104-6-0x00000000052A0000-0x000000000532E000-memory.dmp

Filesize
568KB

Download
memory/1104-3-0x00000000005A0000-0x00000000005B8000-memory.dmp

Filesize
96KB

Download
memory/2808-21-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-20-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2808-18-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2808-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2808-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2808-10-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2808-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2808-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2808-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-23-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-26-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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