vipkeylogger | 908e2f2122082381b0c7bc79a851540882ee0c8b385a3ace122ceaeda66bfd1a

General

Target

BC440551-55011TP.exe
Size

1.0MB
MD5

40580338d3b2de78292bc92fb2772978
SHA1

fb24c5013ace3f4a56f0cf5d5a1b29d6cb717994
SHA256

ebe17d8d5574e603070eb2d958461bb3eb87f54b7b590c1bb86aac0cacff426c
SHA512

b6a7c31406ed8a52e52d620a72956d20c50a43ed41af7996825cd5fc09684d46ac0ee379622dbe0ee0fcef4ba9c33d06df4200ab3fbe470c38711478ed193947
SSDEEP

24576:dAHnh+eWsN3skA4RV1Hom2KXFmIaK5AuKH8iF5:8h+ZkldoPK1XaKZKcU

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7965348925:AAGe8wdrvk9A3lxr1GIjGigodJ_zZ7prhfs/sendMessage?chat_id=6848903538

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-1-5-21-70482961-775596374-3727440602-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-70482961-775596374-3727440602-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-70482961-775596374-3727440602-1000\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
26	reallyfreegeoip.org
16	checkip.dyndns.org
25	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 1156	2436	BC440551-55011TP.exe	86

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	BC440551-55011TP.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1156	RegSvcs.exe
1156	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2436	BC440551-55011TP.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1156	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2436	BC440551-55011TP.exe
2436	BC440551-55011TP.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2436	BC440551-55011TP.exe
2436	BC440551-55011TP.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 1156	2436	BC440551-55011TP.exe	86
PID 2436 wrote to memory of 1156	2436	BC440551-55011TP.exe	86
PID 2436 wrote to memory of 1156	2436	BC440551-55011TP.exe	86
PID 2436 wrote to memory of 1156	2436	BC440551-55011TP.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-70482961-775596374-3727440602-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-70482961-775596374-3727440602-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\BC440551-55011TP.exe
"C:\Users\Admin\AppData\Local\Temp\BC440551-55011TP.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:2436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\BC440551-55011TP.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:1156

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

Loading Replay Monitor...

Downloads

memory/1156-19-0x00000000069F0000-0x0000000006BB2000-memory.dmp

Filesize
1.8MB

Download
memory/1156-15-0x0000000005710000-0x00000000057AC000-memory.dmp

Filesize
624KB

Download
memory/1156-27-0x0000000073A70000-0x0000000074220000-memory.dmp

Filesize
7.7MB

Download
memory/1156-14-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/1156-20-0x0000000006890000-0x00000000068E0000-memory.dmp

Filesize
320KB

Download
memory/1156-16-0x0000000073A70000-0x0000000074220000-memory.dmp

Filesize
7.7MB

Download
memory/1156-17-0x0000000073A7E000-0x0000000073A7F000-memory.dmp

Filesize
4KB

Download
memory/1156-21-0x00000000070F0000-0x000000000761C000-memory.dmp

Filesize
5.2MB

Download
memory/1156-13-0x0000000073A7E000-0x0000000073A7F000-memory.dmp

Filesize
4KB

Download
memory/1156-12-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1156-18-0x0000000073A70000-0x0000000074220000-memory.dmp

Filesize
7.7MB

Download
memory/1156-22-0x0000000006C60000-0x0000000006CF2000-memory.dmp

Filesize
584KB

Download
memory/1156-23-0x0000000006BD0000-0x0000000006BDA000-memory.dmp

Filesize
40KB

Download
memory/1156-24-0x0000000073A70000-0x0000000074220000-memory.dmp

Filesize
7.7MB

Download
memory/1156-25-0x0000000073A70000-0x0000000074220000-memory.dmp

Filesize
7.7MB

Download
memory/1156-26-0x0000000073A70000-0x0000000074220000-memory.dmp

Filesize
7.7MB

Download
memory/2436-11-0x00000000017B0000-0x0000000001BB0000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing