vipkeylogger | 802568168b90337266dfb0045bc3f316dfdbb639470d39cedad95bf76512785e

General

Target

Paymeny_Advice.exe
Size

717KB
MD5

71ba16788909b7124be833544035fa81
SHA1

d7342c4d10e88c6148b83f255e20111d4c5a34d0
SHA256

aea3df7d23d2a9758dbb2b908157ad9f49dd4fa10881bb779cd7ee23a4d9b159
SHA512

4015347a11b75def1e9f1d682adffc787ed592e951f4336b4245275488ea96cdced2f01257b8a41c16d5d9b85ffeff17ade6ce65e789e174c9a70f4d9ea85d7f
SSDEEP

12288:VSPZbEeX/DrJUBgzoHDoAgTuZLjkll35+aAohv07VONtXb4hZFbSJJCtJVvs66:VSPh//WBtC6MOaRp0xOn4h08Tn6

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot6107929879:AAHV6JwXs7rcYzMGLe3_opR5_gdKAC16Ye4/sendMessage?chat_id=6311012313

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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Paymeny_Advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Paymeny_Advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Paymeny_Advice.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
26	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5048 set thread context of 3480	5048	Paymeny_Advice.exe	95

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3480	Paymeny_Advice.exe
3480	Paymeny_Advice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3480	Paymeny_Advice.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 3480	5048	Paymeny_Advice.exe	95
PID 5048 wrote to memory of 3480	5048	Paymeny_Advice.exe	95
PID 5048 wrote to memory of 3480	5048	Paymeny_Advice.exe	95
PID 5048 wrote to memory of 3480	5048	Paymeny_Advice.exe	95
PID 5048 wrote to memory of 3480	5048	Paymeny_Advice.exe	95
PID 5048 wrote to memory of 3480	5048	Paymeny_Advice.exe	95
PID 5048 wrote to memory of 3480	5048	Paymeny_Advice.exe	95
PID 5048 wrote to memory of 3480	5048	Paymeny_Advice.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Paymeny_Advice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Paymeny_Advice.exe

C:\Users\Admin\AppData\Local\Temp\Paymeny_Advice.exe
"C:\Users\Admin\AppData\Local\Temp\Paymeny_Advice.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Users\Admin\AppData\Local\Temp\Paymeny_Advice.exe
  "C:\Users\Admin\AppData\Local\Temp\Paymeny_Advice.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:3480

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\Paymeny_Advice.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3480-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3480-21-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3480-20-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3480-19-0x0000000006C70000-0x000000000719C000-memory.dmp

Filesize
5.2MB

Download
memory/3480-18-0x00000000063F0000-0x0000000006440000-memory.dmp

Filesize
320KB

Download
memory/3480-17-0x0000000006570000-0x0000000006732000-memory.dmp

Filesize
1.8MB

Download
memory/3480-16-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/3480-15-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-5-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-10-0x0000000005100000-0x000000000518C000-memory.dmp

Filesize
560KB

Download
memory/5048-9-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-8-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/5048-14-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-7-0x0000000005A70000-0x0000000005A8C000-memory.dmp

Filesize
112KB

Download
memory/5048-6-0x00000000059D0000-0x0000000005A6C000-memory.dmp

Filesize
624KB

Download
memory/5048-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/5048-4-0x0000000005750000-0x000000000575A000-memory.dmp

Filesize
40KB

Download
memory/5048-3-0x0000000005770000-0x0000000005802000-memory.dmp

Filesize
584KB

Download
memory/5048-2-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/5048-1-0x0000000000CA0000-0x0000000000D5A000-memory.dmp

Filesize
744KB

Download

Analysis

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