vipkeylogger | 84743856e1c18aee577e81fcabfed60a06cc7bbaeef3e4126ccdedaa13f50f82

General

Target

Payment.exe
Size

780KB
MD5

9c629536cd485d256e3c46f9ea5a4d39
SHA1

3d0bd8b57cf9fea04389198bca6f737b14b24067
SHA256

e4cdf74f6d553e5f154dc4aabd067f3e537c8f73c8ca7677874cbafcf3b94fe0
SHA512

db5ed269b1710f6ddc703455fa3203956605a5970bdafbfb8f07a84e4f44f9de0ae10a43ff3ba8787f3da216de1d71e4d4b8571a91964e2e8f614d8ecdcd13ce
SSDEEP

12288:Jg6ItUwFiUMkT1RxuBvUfwxmpNRSCIqzIFvOeuVyJmAl12tZ9uLUxL7HNHJTsLm:JctUwFrMkBsE/u2IFvOenqLB

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot6172680371:AAGdna-xIKVG_ha6EKkcDxhJez2KjVhI3Pc/sendMessage?chat_id=7427804146

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2888	powershell.exe

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2284	2520	Payment.exe	33

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	Payment.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2284	Payment.exe
2888	powershell.exe
2284	Payment.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	Payment.exe
Token: SeDebugPrivilege	2888	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2888	2520	Payment.exe	31
PID 2520 wrote to memory of 2888	2520	Payment.exe	31
PID 2520 wrote to memory of 2888	2520	Payment.exe	31
PID 2520 wrote to memory of 2888	2520	Payment.exe	31
PID 2520 wrote to memory of 2284	2520	Payment.exe	33
PID 2520 wrote to memory of 2284	2520	Payment.exe	33
PID 2520 wrote to memory of 2284	2520	Payment.exe	33
PID 2520 wrote to memory of 2284	2520	Payment.exe	33
PID 2520 wrote to memory of 2284	2520	Payment.exe	33
PID 2520 wrote to memory of 2284	2520	Payment.exe	33
PID 2520 wrote to memory of 2284	2520	Payment.exe	33
PID 2520 wrote to memory of 2284	2520	Payment.exe	33
PID 2520 wrote to memory of 2284	2520	Payment.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment.exe

C:\Users\Admin\AppData\Local\Temp\Payment.exe
"C:\Users\Admin\AppData\Local\Temp\Payment.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Payment.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2888
- C:\Users\Admin\AppData\Local\Temp\Payment.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment.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:2284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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 Information Discovery

1

T1082

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/2284-21-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-20-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2284-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2284-8-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2284-23-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-9-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2284-15-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2284-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2284-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2284-26-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2284-17-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2520-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2520-1-0x0000000000870000-0x000000000093A000-memory.dmp

Filesize
808KB

Download
memory/2520-6-0x0000000005C80000-0x0000000005D0E000-memory.dmp

Filesize
568KB

Download
memory/2520-5-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-4-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2520-22-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-3-0x00000000004E0000-0x00000000004FA000-memory.dmp

Filesize
104KB

Download

Analysis

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