vipkeylogger | 5940ea89be33110c787f4be5d2c445c8bd022852a2fcaa6913fffb5805bafd90

General

Target

0138369002_pdf.exe
Size

1.0MB
MD5

2ebdfaabdb14007d5fd0256256819bec
SHA1

dff9d44238fa5fa972be4f103ab4a49aab1018a8
SHA256

5940ea89be33110c787f4be5d2c445c8bd022852a2fcaa6913fffb5805bafd90
SHA512

0950725714ec9704f41c50fb7fdc91705ef2230cb887d38edcb944049a217b91c4276d77bfe193b5cd1c7bc46e3f81f5600bab53502f1329af19e9d1f90b459d
SSDEEP

24576:Wu6J33O0c+JY5UZ+XC0kGso6FaO3xnfG5lz1WY:4u0c++OCvkGs9Fa2xfG5OY

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7851180322:AAElCRrJUChM2Vl3xRuSuIoNVOcq2KJ7_ZQ/sendMessage?chat_id=6443108993

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-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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
29	reallyfreegeoip.org
33	reallyfreegeoip.org
9	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 548	2872	0138369002_pdf.exe	89

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	0138369002_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
548	RegSvcs.exe
548	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
548	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2872	0138369002_pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	548	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2872	0138369002_pdf.exe
2872	0138369002_pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2872	0138369002_pdf.exe
2872	0138369002_pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
548	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 548	2872	0138369002_pdf.exe	89
PID 2872 wrote to memory of 548	2872	0138369002_pdf.exe	89
PID 2872 wrote to memory of 548	2872	0138369002_pdf.exe	89
PID 2872 wrote to memory of 548	2872	0138369002_pdf.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\0138369002_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\0138369002_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:2872
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\0138369002_pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:548

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/548-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/548-8-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

Filesize
4KB

Download
memory/548-9-0x00000000053A0000-0x0000000005944000-memory.dmp

Filesize
5.6MB

Download
memory/548-10-0x0000000004ED0000-0x0000000004F6C000-memory.dmp

Filesize
624KB

Download
memory/548-11-0x0000000073EC0000-0x0000000074670000-memory.dmp

Filesize
7.7MB

Download
memory/548-12-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

Filesize
4KB

Download
memory/548-13-0x0000000073EC0000-0x0000000074670000-memory.dmp

Filesize
7.7MB

Download
memory/548-14-0x0000000006320000-0x00000000064E2000-memory.dmp

Filesize
1.8MB

Download
memory/548-15-0x00000000061B0000-0x0000000006200000-memory.dmp

Filesize
320KB

Download
memory/548-16-0x00000000065F0000-0x0000000006682000-memory.dmp

Filesize
584KB

Download
memory/548-17-0x00000000068F0000-0x00000000068FA000-memory.dmp

Filesize
40KB

Download
memory/2872-6-0x0000000000FF0000-0x00000000013F0000-memory.dmp

Filesize
4.0MB

Download

Analysis

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