vipkeylogger | b1e547ad1c0cf9657a3a531d98fee7bfb93bd86c223f4aeaeafd841c6ae948d8

General

Target

ILS0592024DI6408.exe
Size

820KB
MD5

92ecfa3057b13a3547c3648bb598e35c
SHA1

6f6407e1e4b2902c076788dca65211929a34be2e
SHA256

b1e547ad1c0cf9657a3a531d98fee7bfb93bd86c223f4aeaeafd841c6ae948d8
SHA512

86b4c0911417861dc15544076ab9c7e03045f911201cbc51ee5ed113242505680bf74a9b02b20d3883ae2f2712795b65975ebbb988520c7a9eadac459f35e8ca
SSDEEP

12288:Ge21UoIG5MPUdq/k0kGpk9xDcYnC/0ESJPQTqAwa9w9kAFOu7XouOSZdAZk1jDZf:oUobyIq/k0bmxSUr37Ou7X0SB1j

Score

10^/10

vipkeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mruyz.com
Port:
587
Username:
[email protected]
Password:
C[.QvNRF}fDS
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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ILS0592024DI6408.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ILS0592024DI6408.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ILS0592024DI6408.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3040 set thread context of 2700	3040	ILS0592024DI6408.exe	31

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	ILS0592024DI6408.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ILS0592024DI6408.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2700	ILS0592024DI6408.exe
2700	ILS0592024DI6408.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	ILS0592024DI6408.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2700	3040	ILS0592024DI6408.exe	31
PID 3040 wrote to memory of 2700	3040	ILS0592024DI6408.exe	31
PID 3040 wrote to memory of 2700	3040	ILS0592024DI6408.exe	31
PID 3040 wrote to memory of 2700	3040	ILS0592024DI6408.exe	31
PID 3040 wrote to memory of 2700	3040	ILS0592024DI6408.exe	31
PID 3040 wrote to memory of 2700	3040	ILS0592024DI6408.exe	31
PID 3040 wrote to memory of 2700	3040	ILS0592024DI6408.exe	31
PID 3040 wrote to memory of 2700	3040	ILS0592024DI6408.exe	31
PID 3040 wrote to memory of 2700	3040	ILS0592024DI6408.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ILS0592024DI6408.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ILS0592024DI6408.exe

C:\Users\Admin\AppData\Local\Temp\ILS0592024DI6408.exe
"C:\Users\Admin\AppData\Local\Temp\ILS0592024DI6408.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\ILS0592024DI6408.exe
  "C:\Users\Admin\AppData\Local\Temp\ILS0592024DI6408.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:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2700-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2700-10-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2700-18-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2700-16-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2700-20-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-19-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-9-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2700-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2700-14-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2700-22-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3040-2-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/3040-1-0x0000000000300000-0x00000000003D2000-memory.dmp

Filesize
840KB

Download
memory/3040-6-0x00000000056E0000-0x000000000576C000-memory.dmp

Filesize
560KB

Download
memory/3040-5-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-4-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/3040-21-0x0000000074720000-0x0000000074E0E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-3-0x0000000001F40000-0x0000000001F58000-memory.dmp

Filesize
96KB

Download

Analysis

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