vipkeylogger | 86d4c0b6d645041101606bc402ae23455d0e85fc4894455984d60855351ba2f5

General

Target

Factura1-2501377.exe
Size

735KB
MD5

ba1ba279b7001f7a2062f51e4327b49a
SHA1

67051fb8047015d225df80754353c95c256a337b
SHA256

86d4c0b6d645041101606bc402ae23455d0e85fc4894455984d60855351ba2f5
SHA512

ce5f96faffc09cf4ec1ee89426fceb830ed1b3e2451fe893b3528dde86e531ab5769c774ecd625b50d250dfda41ee285808dfbbaf7cbbb1da89da2b95033068a
SSDEEP

12288:j7QiKaxPCJ9oQSX1vT8sqnqsP8lAyP29J8qUo/Bg2AcJN:/QiYJ9lSX1UqsEf23/BMcJN

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
webmail.mupa.com.tr
Port:
587
Username:
[email protected]
Password:
$Rc9Ff8y
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
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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura1-2501377.exe
Key opened	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura1-2501377.exe
Key opened	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura1-2501377.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
27	reallyfreegeoip.org
28	reallyfreegeoip.org
25	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 4888	2728	Factura1-2501377.exe	96

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	Factura1-2501377.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Factura1-2501377.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4888	Factura1-2501377.exe
4888	Factura1-2501377.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	Factura1-2501377.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 4888	2728	Factura1-2501377.exe	96
PID 2728 wrote to memory of 4888	2728	Factura1-2501377.exe	96
PID 2728 wrote to memory of 4888	2728	Factura1-2501377.exe	96
PID 2728 wrote to memory of 4888	2728	Factura1-2501377.exe	96
PID 2728 wrote to memory of 4888	2728	Factura1-2501377.exe	96
PID 2728 wrote to memory of 4888	2728	Factura1-2501377.exe	96
PID 2728 wrote to memory of 4888	2728	Factura1-2501377.exe	96
PID 2728 wrote to memory of 4888	2728	Factura1-2501377.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura1-2501377.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura1-2501377.exe

C:\Users\Admin\AppData\Local\Temp\Factura1-2501377.exe
"C:\Users\Admin\AppData\Local\Temp\Factura1-2501377.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\Factura1-2501377.exe
  "C:\Users\Admin\AppData\Local\Temp\Factura1-2501377.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:4888

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Factura1-2501377.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2728-10-0x0000000006310000-0x000000000639E000-memory.dmp

Filesize
568KB

Download
memory/2728-15-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2728-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

Filesize
584KB

Download
memory/2728-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2728-4-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

Filesize
40KB

Download
memory/2728-6-0x0000000005190000-0x000000000522C000-memory.dmp

Filesize
624KB

Download
memory/2728-7-0x0000000005370000-0x0000000005388000-memory.dmp

Filesize
96KB

Download
memory/2728-8-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2728-2-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/2728-9-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2728-5-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/2728-1-0x0000000000450000-0x000000000050C000-memory.dmp

Filesize
752KB

Download
memory/4888-14-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4888-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4888-16-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4888-17-0x0000000006AE0000-0x0000000006CA2000-memory.dmp

Filesize
1.8MB

Download
memory/4888-18-0x0000000006960000-0x00000000069B0000-memory.dmp

Filesize
320KB

Download
memory/4888-19-0x00000000072E0000-0x000000000780C000-memory.dmp

Filesize
5.2MB

Download
memory/4888-20-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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