vipkeylogger | 7ee41c51c45e795630d4e6f913f7a1303397ebdd0621edcd8b34fa55ee68ce90

General

Target

RYSUNEK_.EXE.exe
Size

1.0MB
MD5

0c79f06a701a4b6ff77a296543332642
SHA1

d51e098288e7cbc13ba9c606e502ec2e02a4c6ca
SHA256

7ee41c51c45e795630d4e6f913f7a1303397ebdd0621edcd8b34fa55ee68ce90
SHA512

174b572b4fe8f11aaa4b3f01ab4af45327a0d63afbdddca22d98e931d47d848b9024a9c869695830984aaa7daa15bca05b64981ba21fc3cb2e6ef9eaec847692
SSDEEP

24576:/u6J33O0c+JY5UZ+XC0kGso6FaLJ2QrS1eD3WY:Ju0c++OCvkGs9FaLyvY

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.chata66.sk
Port:
25
Username:
[email protected]
Password:
bGf865RweX
Email To:
[email protected]

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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 464 set thread context of 4948	464	RYSUNEK_.EXE.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	RYSUNEK_.EXE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4948	RegSvcs.exe
4948	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
464	RYSUNEK_.EXE.exe
464	RYSUNEK_.EXE.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4948	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
464	RYSUNEK_.EXE.exe
464	RYSUNEK_.EXE.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
464	RYSUNEK_.EXE.exe
464	RYSUNEK_.EXE.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4948	464	RYSUNEK_.EXE.exe	83
PID 464 wrote to memory of 4948	464	RYSUNEK_.EXE.exe	83
PID 464 wrote to memory of 4948	464	RYSUNEK_.EXE.exe	83
PID 464 wrote to memory of 4948	464	RYSUNEK_.EXE.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\RYSUNEK_.EXE.exe
"C:\Users\Admin\AppData\Local\Temp\RYSUNEK_.EXE.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:464
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\RYSUNEK_.EXE.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:4948

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/464-6-0x00000000013F0000-0x00000000017F0000-memory.dmp

Filesize
4.0MB

Download
memory/4948-7-0x0000000000760000-0x00000000007AA000-memory.dmp

Filesize
296KB

Download
memory/4948-8-0x0000000073CAE000-0x0000000073CAF000-memory.dmp

Filesize
4KB

Download
memory/4948-9-0x0000000005290000-0x0000000005834000-memory.dmp

Filesize
5.6MB

Download
memory/4948-10-0x0000000004CE0000-0x0000000004D7C000-memory.dmp

Filesize
624KB

Download
memory/4948-11-0x0000000073CA0000-0x0000000074450000-memory.dmp

Filesize
7.7MB

Download
memory/4948-12-0x0000000005FE0000-0x0000000006072000-memory.dmp

Filesize
584KB

Download
memory/4948-13-0x0000000073CAE000-0x0000000073CAF000-memory.dmp

Filesize
4KB

Download
memory/4948-14-0x0000000073CA0000-0x0000000074450000-memory.dmp

Filesize
7.7MB

Download
memory/4948-15-0x0000000006250000-0x0000000006412000-memory.dmp

Filesize
1.8MB

Download
memory/4948-16-0x0000000006080000-0x00000000060D0000-memory.dmp

Filesize
320KB

Download
memory/4948-17-0x0000000006430000-0x000000000643A000-memory.dmp

Filesize
40KB

Download

Analysis

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