vipkeylogger | 81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d

General

Target

81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe
Size

1.0MB
MD5

2c8f30a128855b88559a2876c0286416
SHA1

eb253a85f2141bdb4707a80e6f2d22852c9578c3
SHA256

81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d
SHA512

6fdf837d6b3aa9ac3f5513db636ec20d26e10c94279b404cd77cb49ab013168334f786274047e36216c2618dc4494600b19db4481a6bae80e8b3befff815c404
SSDEEP

24576:/tb20pkaCqT5TBWgNQ7aj+LCx0Bthb6Au:8Vg5tQ7aj+LCSBt15u

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7157329086:AAGOsSc2V0wvMRyvFFXhUVN6YYkkxDpjHDU/sendMessage?chat_id=7337843299

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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1448 set thread context of 4244	1448	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe	82

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	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4244	RegSvcs.exe
4244	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1448	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4244	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1448	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe
1448	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1448	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe
1448	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 4244	1448	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe	82
PID 1448 wrote to memory of 4244	1448	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe	82
PID 1448 wrote to memory of 4244	1448	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe	82
PID 1448 wrote to memory of 4244	1448	81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe
"C:\Users\Admin\AppData\Local\Temp\81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.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:1448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.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:4244

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

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Downloads

memory/1448-6-0x0000000001100000-0x0000000001500000-memory.dmp

Filesize
4.0MB

Download
memory/4244-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/4244-8-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/4244-9-0x0000000005590000-0x0000000005B34000-memory.dmp

Filesize
5.6MB

Download
memory/4244-10-0x0000000005080000-0x000000000511C000-memory.dmp

Filesize
624KB

Download
memory/4244-11-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4244-12-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/4244-13-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4244-14-0x00000000064D0000-0x0000000006692000-memory.dmp

Filesize
1.8MB

Download
memory/4244-15-0x0000000006360000-0x00000000063B0000-memory.dmp

Filesize
320KB

Download
memory/4244-16-0x0000000006BD0000-0x00000000070FC000-memory.dmp

Filesize
5.2MB

Download
memory/4244-17-0x0000000006740000-0x00000000067D2000-memory.dmp

Filesize
584KB

Download
memory/4244-18-0x00000000066A0000-0x00000000066AA000-memory.dmp

Filesize
40KB

Download

Analysis

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