vipkeylogger | 12e0b7500435994f25d66b3a1cba2c92735c6dc51c2b9a9e3dbc78c11b3d2ff7

General

Target

Num_24-2583_proforma_Invoice_Document_pdf.exe
Size

994KB
MD5

0d2c8d3b909700b869d842880383d08f
SHA1

9501835ca85d7479202b98d18b8dc7b765431ab5
SHA256

12e0b7500435994f25d66b3a1cba2c92735c6dc51c2b9a9e3dbc78c11b3d2ff7
SHA512

685c002e05b2c6136507d0d1e0dd7792be5c16423817a64a907c368225607710ad1869f3543c24809612460b640199d6764b7855fd82b4a85971dfd77e35ed96
SSDEEP

24576:Vu6J33O0c+JY5UZ+XC0kGso6Fad+E28lrF5lPWY:3u0c++OCvkGs9Fad+EZrF54Y

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
smtp.ionos.es
Port:
587
Username:
[email protected]
Password:
m8Mjq7Aypc8nK?ntJMg8Jye4bB6!&K**
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\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
24	checkip.dyndns.org
26	reallyfreegeoip.org
27	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4748 set thread context of 3100	4748	Num_24-2583_proforma_Invoice_Document_pdf.exe	90

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 2 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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Num_24-2583_proforma_Invoice_Document_pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3100	RegSvcs.exe
3100	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4748	Num_24-2583_proforma_Invoice_Document_pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3100	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4748	Num_24-2583_proforma_Invoice_Document_pdf.exe
4748	Num_24-2583_proforma_Invoice_Document_pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4748	Num_24-2583_proforma_Invoice_Document_pdf.exe
4748	Num_24-2583_proforma_Invoice_Document_pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 3100	4748	Num_24-2583_proforma_Invoice_Document_pdf.exe	90
PID 4748 wrote to memory of 3100	4748	Num_24-2583_proforma_Invoice_Document_pdf.exe	90
PID 4748 wrote to memory of 3100	4748	Num_24-2583_proforma_Invoice_Document_pdf.exe	90
PID 4748 wrote to memory of 3100	4748	Num_24-2583_proforma_Invoice_Document_pdf.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Num_24-2583_proforma_Invoice_Document_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Num_24-2583_proforma_Invoice_Document_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4748
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Num_24-2583_proforma_Invoice_Document_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:3100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

1

T1217

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/3100-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3100-8-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/3100-9-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/3100-10-0x0000000005280000-0x000000000531C000-memory.dmp

Filesize
624KB

Download
memory/3100-11-0x0000000074020000-0x00000000747D0000-memory.dmp

Filesize
7.7MB

Download
memory/3100-12-0x0000000006610000-0x00000000067D2000-memory.dmp

Filesize
1.8MB

Download
memory/3100-13-0x0000000006490000-0x00000000064E0000-memory.dmp

Filesize
320KB

Download
memory/3100-14-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/3100-15-0x0000000074020000-0x00000000747D0000-memory.dmp

Filesize
7.7MB

Download
memory/3100-16-0x00000000068E0000-0x0000000006972000-memory.dmp

Filesize
584KB

Download
memory/3100-17-0x00000000065D0000-0x00000000065DA000-memory.dmp

Filesize
40KB

Download
memory/4748-6-0x0000000000B20000-0x0000000000F20000-memory.dmp

Filesize
4.0MB

Download

Analysis

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