vipkeylogger | 5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049

General

Target

INQUIRY_pdf.exe
Size

750KB
MD5

aad0e1f44c81477576e5b1a1a31f3513
SHA1

aaa55fd38d696c09f0ba9b8511efac0c9d68b63a
SHA256

5e8880438f921f4bd81f137cc9b4c44f1ba12b321a178d4d50a0601d75aef049
SHA512

2f70c69d20a1d6f252c29bd8e2f01958a25e6710f8e4bbb47721a3a621be32503bfd66cf96981b77edf9a370492f4b6f60d1b7706c61dee3df5ca47724c8b44d
SSDEEP

12288:k3qNW8BeviONx9C/1kmWRlgofeQELf5J2POsSY9K3sYKA:73wsmmWRlFQAPO1YwMA

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
jhxkgroup.online
Port:
587
Username:
[email protected]
Password:
7213575aceACE@
Email To:
[email protected]

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
2268	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INQUIRY_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INQUIRY_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INQUIRY_pdf.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 2132 set thread context of 2792	2132	INQUIRY_pdf.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	INQUIRY_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	INQUIRY_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2132	INQUIRY_pdf.exe
2132	INQUIRY_pdf.exe
2792	INQUIRY_pdf.exe
2268	powershell.exe
2792	INQUIRY_pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	INQUIRY_pdf.exe
Token: SeDebugPrivilege	2792	INQUIRY_pdf.exe
Token: SeDebugPrivilege	2268	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2268	2132	INQUIRY_pdf.exe	31
PID 2132 wrote to memory of 2268	2132	INQUIRY_pdf.exe	31
PID 2132 wrote to memory of 2268	2132	INQUIRY_pdf.exe	31
PID 2132 wrote to memory of 2268	2132	INQUIRY_pdf.exe	31
PID 2132 wrote to memory of 2908	2132	INQUIRY_pdf.exe	33
PID 2132 wrote to memory of 2908	2132	INQUIRY_pdf.exe	33
PID 2132 wrote to memory of 2908	2132	INQUIRY_pdf.exe	33
PID 2132 wrote to memory of 2908	2132	INQUIRY_pdf.exe	33
PID 2132 wrote to memory of 2792	2132	INQUIRY_pdf.exe	34
PID 2132 wrote to memory of 2792	2132	INQUIRY_pdf.exe	34
PID 2132 wrote to memory of 2792	2132	INQUIRY_pdf.exe	34
PID 2132 wrote to memory of 2792	2132	INQUIRY_pdf.exe	34
PID 2132 wrote to memory of 2792	2132	INQUIRY_pdf.exe	34
PID 2132 wrote to memory of 2792	2132	INQUIRY_pdf.exe	34
PID 2132 wrote to memory of 2792	2132	INQUIRY_pdf.exe	34
PID 2132 wrote to memory of 2792	2132	INQUIRY_pdf.exe	34
PID 2132 wrote to memory of 2792	2132	INQUIRY_pdf.exe	34

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	INQUIRY_pdf.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	INQUIRY_pdf.exe

C:\Users\Admin\AppData\Local\Temp\INQUIRY_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\INQUIRY_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2132
- 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\INQUIRY_pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2268
- C:\Users\Admin\AppData\Local\Temp\INQUIRY_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\INQUIRY_pdf.exe"
  2⤵
  PID:2908
- C:\Users\Admin\AppData\Local\Temp\INQUIRY_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\INQUIRY_pdf.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:2792

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/2132-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2132-1-0x0000000000280000-0x0000000000340000-memory.dmp

Filesize
768KB

Download
memory/2132-2-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-3-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2132-4-0x0000000000660000-0x0000000000672000-memory.dmp

Filesize
72KB

Download
memory/2132-5-0x0000000005C30000-0x0000000005CBE000-memory.dmp

Filesize
568KB

Download
memory/2132-18-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-14-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2792-17-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2792-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2792-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2792-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2792-6-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2792-19-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-20-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2792-23-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-24-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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