vipkeylogger | fff3bee11214f2b7b70f2d35b3669ad7140f2c9fb08e5e6c8161b0371ede9c96

General

Target

PO.exe
Size

744KB
MD5

3517733f27d8ee4cedc0987a778a1096
SHA1

3406683fdd6e84793e51d107867e3610585918ed
SHA256

f22de3de80368de8d284384fdabf68546097f6d5429ffdfe26f51d4b7b76dd8d
SHA512

f3ec13547ec6f22e1c2a19b7f7f28db2fcb24214cecc36441ceba6ab46b7432752ec118d60a5db5735afb1d218b56ab359158459ec304ff8d5402da0aa7b5d18
SSDEEP

12288:yiYRxA4Y5lyA/BxSPCzubE5G556BpUheDnLKuRSfzSrVMESf87Obz6Sruo7zNs/v:CRrtLKUheDDRq0MVbtl7ps/

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7773122470:AAHiC5UHGBaPGR4YIPW_XvO3jPCGyJL-2K8/sendMessage?chat_id=5925423018

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
2568	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.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 2124 set thread context of 2784	2124	PO.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	PO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2784	PO.exe
2568	powershell.exe
2784	PO.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	PO.exe
Token: SeDebugPrivilege	2568	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2568	2124	PO.exe	30
PID 2124 wrote to memory of 2568	2124	PO.exe	30
PID 2124 wrote to memory of 2568	2124	PO.exe	30
PID 2124 wrote to memory of 2568	2124	PO.exe	30
PID 2124 wrote to memory of 2784	2124	PO.exe	32
PID 2124 wrote to memory of 2784	2124	PO.exe	32
PID 2124 wrote to memory of 2784	2124	PO.exe	32
PID 2124 wrote to memory of 2784	2124	PO.exe	32
PID 2124 wrote to memory of 2784	2124	PO.exe	32
PID 2124 wrote to memory of 2784	2124	PO.exe	32
PID 2124 wrote to memory of 2784	2124	PO.exe	32
PID 2124 wrote to memory of 2784	2124	PO.exe	32
PID 2124 wrote to memory of 2784	2124	PO.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- 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\PO.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2568
- C:\Users\Admin\AppData\Local\Temp\PO.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.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:2784

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/2124-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download
memory/2124-1-0x0000000000300000-0x00000000003C0000-memory.dmp

Filesize
768KB

Download
memory/2124-2-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2124-3-0x00000000003C0000-0x00000000003DA000-memory.dmp

Filesize
104KB

Download
memory/2124-4-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download
memory/2124-5-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2124-6-0x0000000005CF0000-0x0000000005D7E000-memory.dmp

Filesize
568KB

Download
memory/2124-19-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2784-17-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-18-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2784-9-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-15-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-13-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-10-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-8-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-20-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2784-23-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2784-24-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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