vipkeylogger | de6dc190ae7ed33e5e263beeb357b1cc0d413a44a346603b9cd7f6b40df3fe18

General

Target

(STC) Tax Invoice 25030216_REV.exe
Size

1023KB
MD5

1f2316cbbb6f340ea45753ea5c889f11
SHA1

3b49e0d165f9be0ac0443fa75ce4dcd25901dbcf
SHA256

81f89461fc1feee34ad39a56fb386ed8e65eabe13416a20baa5b7adc6593e138
SHA512

2c20d1fa92ac69af1f9757681dd06ae06379ba329df79bd4c14b6b04b7797a697884f0693388259481c0c3db0bf4597c845133c18902296a53804b7b59ddcc4a
SSDEEP

24576:eu6J33O0c+JY5UZ+XC0kGso6FarIr1i3t07aEWY:wu0c++OCvkGs9FarZ3t0gY

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7332888932:AAEd0xO46FUg-eZu8OorYiVnZ_y4D9P2pCE/sendMessage?chat_id=7128988401

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-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\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
16	checkip.dyndns.org
29	reallyfreegeoip.org
30	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4684 set thread context of 796	4684	(STC) Tax Invoice 25030216_REV.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	(STC) Tax Invoice 25030216_REV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
796	RegSvcs.exe
796	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4684	(STC) Tax Invoice 25030216_REV.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	796	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4684	(STC) Tax Invoice 25030216_REV.exe
4684	(STC) Tax Invoice 25030216_REV.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4684	(STC) Tax Invoice 25030216_REV.exe
4684	(STC) Tax Invoice 25030216_REV.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 796	4684	(STC) Tax Invoice 25030216_REV.exe	90
PID 4684 wrote to memory of 796	4684	(STC) Tax Invoice 25030216_REV.exe	90
PID 4684 wrote to memory of 796	4684	(STC) Tax Invoice 25030216_REV.exe	90
PID 4684 wrote to memory of 796	4684	(STC) Tax Invoice 25030216_REV.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\(STC) Tax Invoice 25030216_REV.exe
"C:\Users\Admin\AppData\Local\Temp\(STC) Tax Invoice 25030216_REV.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:4684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\(STC) Tax Invoice 25030216_REV.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:796

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/796-12-0x00000000069F0000-0x0000000006BB2000-memory.dmp

Filesize
1.8MB

Download
memory/796-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/796-8-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/796-9-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/796-10-0x0000000005520000-0x00000000055BC000-memory.dmp

Filesize
624KB

Download
memory/796-11-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/796-13-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/796-14-0x0000000006870000-0x00000000068C0000-memory.dmp

Filesize
320KB

Download
memory/796-15-0x00000000071F0000-0x000000000771C000-memory.dmp

Filesize
5.2MB

Download
memory/796-16-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/796-17-0x0000000006D60000-0x0000000006DF2000-memory.dmp

Filesize
584KB

Download
memory/796-18-0x0000000006CC0000-0x0000000006CCA000-memory.dmp

Filesize
40KB

Download
memory/4684-6-0x0000000000F00000-0x0000000001300000-memory.dmp

Filesize
4.0MB

Download

Analysis

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