vipkeylogger | 3d500e2bcc5d88928ddaa3f92f39133d19393bff4d32d50c2059cc2270dca78c

General

Target

299371485_14108825808_1736351479899_pdf.exe
Size

777KB
MD5

7487638ac663bd8470efeb6cb741b5f9
SHA1

e6d74b2cf2b752f2be06977fd32652f43df9b92a
SHA256

52cf8e8f39ca60085b39b1c0504f0d8d955e53bf634805b2073bdf2e6b02e81d
SHA512

5f56375183497f5f839e0c98d4b4ea93554a5fda436a7ddad44cb28e3979f7e76dfc1492d665d32cb76dc3a2cca9831e0589155ce247cc1567ec465bcad68069
SSDEEP

12288:qhFt+WHqqLQhCv0rOzZ5PDV9Pfnjfn4C0fNjVlgWfNsD2Gz9GSluEy:qJ+UqY8OzDLV9Pfnjg7RRg2M9Nlm

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

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
1012	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	299371485_14108825808_1736351479899_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	299371485_14108825808_1736351479899_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	299371485_14108825808_1736351479899_pdf.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 1632 set thread context of 2484	1632	299371485_14108825808_1736351479899_pdf.exe	32

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	299371485_14108825808_1736351479899_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	299371485_14108825808_1736351479899_pdf.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1632	299371485_14108825808_1736351479899_pdf.exe
1632	299371485_14108825808_1736351479899_pdf.exe
2484	299371485_14108825808_1736351479899_pdf.exe
1012	powershell.exe
2484	299371485_14108825808_1736351479899_pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2484	299371485_14108825808_1736351479899_pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	299371485_14108825808_1736351479899_pdf.exe
Token: SeDebugPrivilege	2484	299371485_14108825808_1736351479899_pdf.exe
Token: SeDebugPrivilege	1012	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2484	299371485_14108825808_1736351479899_pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1012	1632	299371485_14108825808_1736351479899_pdf.exe	30
PID 1632 wrote to memory of 1012	1632	299371485_14108825808_1736351479899_pdf.exe	30
PID 1632 wrote to memory of 1012	1632	299371485_14108825808_1736351479899_pdf.exe	30
PID 1632 wrote to memory of 1012	1632	299371485_14108825808_1736351479899_pdf.exe	30
PID 1632 wrote to memory of 2484	1632	299371485_14108825808_1736351479899_pdf.exe	32
PID 1632 wrote to memory of 2484	1632	299371485_14108825808_1736351479899_pdf.exe	32
PID 1632 wrote to memory of 2484	1632	299371485_14108825808_1736351479899_pdf.exe	32
PID 1632 wrote to memory of 2484	1632	299371485_14108825808_1736351479899_pdf.exe	32
PID 1632 wrote to memory of 2484	1632	299371485_14108825808_1736351479899_pdf.exe	32
PID 1632 wrote to memory of 2484	1632	299371485_14108825808_1736351479899_pdf.exe	32
PID 1632 wrote to memory of 2484	1632	299371485_14108825808_1736351479899_pdf.exe	32
PID 1632 wrote to memory of 2484	1632	299371485_14108825808_1736351479899_pdf.exe	32
PID 1632 wrote to memory of 2484	1632	299371485_14108825808_1736351479899_pdf.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	299371485_14108825808_1736351479899_pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	299371485_14108825808_1736351479899_pdf.exe

C:\Users\Admin\AppData\Local\Temp\299371485_14108825808_1736351479899_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\299371485_14108825808_1736351479899_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632
- 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\299371485_14108825808_1736351479899_pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1012
- C:\Users\Admin\AppData\Local\Temp\299371485_14108825808_1736351479899_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\299371485_14108825808_1736351479899_pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2484

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/1632-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1632-1-0x0000000000F70000-0x0000000001038000-memory.dmp

Filesize
800KB

Download
memory/1632-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1632-3-0x00000000004E0000-0x00000000004FE000-memory.dmp

Filesize
120KB

Download
memory/1632-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1632-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1632-6-0x0000000000440000-0x00000000004CE000-memory.dmp

Filesize
568KB

Download
memory/1632-22-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2484-20-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2484-15-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2484-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2484-17-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2484-21-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2484-23-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2484-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2484-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2484-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2484-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2484-26-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2484-27-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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