vipkeylogger | 3330b83ea0de9f2bfcb0998c3ad3aedb416bb1b14868674efc5310591969210d

General

Target

Payment Notification PDF.exe
Size

1.0MB
MD5

80fb946e2d8d53ddf412d59d61bf83ab
SHA1

8b7da84b92c61858eeb56410e05b208d885560e9
SHA256

374b9a35bb8495f8de85a828224b6c1305ada58ca35d68798eb8e3ff9ec1d3a4
SHA512

ba245097cdfbf2c13e8e99bedf2d46e3e6190b337a0b015077005d2a17f813e19fa9c0feab47c9dea45b019c49e5a067cf382ab5a61d135d108dd89e0adcb2d2
SSDEEP

24576:Uu6J33O0c+JY5UZ+XC0kGso6FaInRgdQUyWY:uu0c++OCvkGs9FaIaY

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7735874420:AAHB5lmusBq4MdXRakEVmgMVQ6wUkxr5YLE/sendMessage?chat_id=2146433139

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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1560 set thread context of 632	1560	Payment Notification PDF.exe	83

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	Payment Notification PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
632	RegSvcs.exe
632	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1560	Payment Notification PDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	632	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1560	Payment Notification PDF.exe
1560	Payment Notification PDF.exe
1560	Payment Notification PDF.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1560	Payment Notification PDF.exe
1560	Payment Notification PDF.exe
1560	Payment Notification PDF.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 632	1560	Payment Notification PDF.exe	83
PID 1560 wrote to memory of 632	1560	Payment Notification PDF.exe	83
PID 1560 wrote to memory of 632	1560	Payment Notification PDF.exe	83
PID 1560 wrote to memory of 632	1560	Payment Notification PDF.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Payment Notification PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Notification 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:1560
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Notification 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:632

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/632-12-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download
memory/632-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/632-8-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download
memory/632-9-0x0000000005B40000-0x00000000060E4000-memory.dmp

Filesize
5.6MB

Download
memory/632-10-0x0000000005630000-0x00000000056CC000-memory.dmp

Filesize
624KB

Download
memory/632-11-0x0000000074B60000-0x0000000075310000-memory.dmp

Filesize
7.7MB

Download
memory/632-13-0x0000000074B60000-0x0000000075310000-memory.dmp

Filesize
7.7MB

Download
memory/632-14-0x0000000006B00000-0x0000000006CC2000-memory.dmp

Filesize
1.8MB

Download
memory/632-15-0x0000000006980000-0x00000000069D0000-memory.dmp

Filesize
320KB

Download
memory/632-16-0x0000000007200000-0x000000000772C000-memory.dmp

Filesize
5.2MB

Download
memory/632-17-0x0000000006CD0000-0x0000000006D62000-memory.dmp

Filesize
584KB

Download
memory/632-18-0x0000000006AC0000-0x0000000006ACA000-memory.dmp

Filesize
40KB

Download
memory/1560-6-0x0000000001030000-0x0000000001430000-memory.dmp

Filesize
4.0MB

Download

Analysis

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