vipkeylogger | c7c05d0d5395bf483f228da01c4b804ffaba480fc1012ca5377b7040ac77a933

General

Target

AGM9508218Q7FD027178.pdf.exe
Size

766KB
MD5

28ab515fcf945bbc6213ca8b8db9b749
SHA1

a87037d2a921c46f1f5295c483344240ccf56507
SHA256

983261d4e48b0cd813d8043ed014f06bb66f08be2b67926a7ca7445a1984a10c
SHA512

5d69c3ecae4d91005e7090b934b9219979d5c807b02f835280f4690dd5c1e50db1b9647584b6e34c5277ae8fdfede64d1f86081fd154814a48ef81bea4d263f4
SSDEEP

12288:eL3DzHZno/kcNSwCtWKePQhP64S+gPV49iLpWd20u8Aby2H/AoeyNWqp:eL3DzH9oMcklt6IwUQWgv8Aby2Hooeyh

Score

10^/10

vipkeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7413187928:AAHgub3UE5yP-qCeiBRX5XXLLxf5beHmSTM/sendMessage?chat_id=2126102657

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger 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
2876	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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 2104 set thread context of 2900	2104	AGM9508218Q7FD027178.pdf.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	AGM9508218Q7FD027178.pdf.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 3 IoCs

pid	Process
2900	RegSvcs.exe
2876	powershell.exe
2900	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	RegSvcs.exe
Token: SeDebugPrivilege	2876	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2900	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2876	2104	AGM9508218Q7FD027178.pdf.exe	31
PID 2104 wrote to memory of 2876	2104	AGM9508218Q7FD027178.pdf.exe	31
PID 2104 wrote to memory of 2876	2104	AGM9508218Q7FD027178.pdf.exe	31
PID 2104 wrote to memory of 2876	2104	AGM9508218Q7FD027178.pdf.exe	31
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33
PID 2104 wrote to memory of 2900	2104	AGM9508218Q7FD027178.pdf.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\AGM9508218Q7FD027178.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\AGM9508218Q7FD027178.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104
- 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\AGM9508218Q7FD027178.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2876
- 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
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2900

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

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Downloads

memory/2104-19-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-1-0x0000000000D70000-0x0000000000E36000-memory.dmp

Filesize
792KB

Download
memory/2104-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-3-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2104-4-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-5-0x0000000000860000-0x0000000000872000-memory.dmp

Filesize
72KB

Download
memory/2104-6-0x0000000007F60000-0x0000000007FEA000-memory.dmp

Filesize
552KB

Download
memory/2104-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2900-13-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2900-15-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2900-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2900-10-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2900-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2900-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2900-17-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2900-18-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2900-22-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2900-23-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2900-24-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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