vipkeylogger | 1de5f71b2ccfeba54c7e96e768b316d8ad2893f83fab070c504b33c3fb0e8de0

General

Target

SMT-SMTLEE.exe
Size

695KB
MD5

d86d32a91cd4fbf6b7ef7ee1593333d5
SHA1

de006ba907db6b0cdc0b1ffd5ce0dc34575da3f5
SHA256

04b2fa83d9f55ff2b689a6f8541cd7529c7c1166bda9be8cc46d5014f41fa1e1
SHA512

70d0e8dcebbf6e77280c7b1ccd060386f0e25ec6da58044c32c0d5e9d8ce741bcf7a5bf64cd6af4da2a4498c7a5b88f515f0e90551276eedccb206be76481ded
SSDEEP

12288:iVVGEHMe5DzoyMhBf8O/rDtTvLrBVJLvFs0YVQQyoGeKc5g/:0GLe5D6PVdBxsRxyorKcq

Score

10^/10

vipkeylogger collection credential_access discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.laime.it
Port:
587
Username:
[email protected]
Password:
Oqc9k0@9
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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2716	powershell.exe
2676	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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SMT-SMTLEE.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SMT-SMTLEE.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SMT-SMTLEE.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1476 set thread context of 2632	1476	SMT-SMTLEE.exe	36

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 5 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	SMT-SMTLEE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SMT-SMTLEE.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2632	SMT-SMTLEE.exe
2716	powershell.exe
2676	powershell.exe
2632	SMT-SMTLEE.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2632	SMT-SMTLEE.exe
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	2676	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 2716	1476	SMT-SMTLEE.exe	30
PID 1476 wrote to memory of 2716	1476	SMT-SMTLEE.exe	30
PID 1476 wrote to memory of 2716	1476	SMT-SMTLEE.exe	30
PID 1476 wrote to memory of 2716	1476	SMT-SMTLEE.exe	30
PID 1476 wrote to memory of 2676	1476	SMT-SMTLEE.exe	32
PID 1476 wrote to memory of 2676	1476	SMT-SMTLEE.exe	32
PID 1476 wrote to memory of 2676	1476	SMT-SMTLEE.exe	32
PID 1476 wrote to memory of 2676	1476	SMT-SMTLEE.exe	32
PID 1476 wrote to memory of 2808	1476	SMT-SMTLEE.exe	34
PID 1476 wrote to memory of 2808	1476	SMT-SMTLEE.exe	34
PID 1476 wrote to memory of 2808	1476	SMT-SMTLEE.exe	34
PID 1476 wrote to memory of 2808	1476	SMT-SMTLEE.exe	34
PID 1476 wrote to memory of 2632	1476	SMT-SMTLEE.exe	36
PID 1476 wrote to memory of 2632	1476	SMT-SMTLEE.exe	36
PID 1476 wrote to memory of 2632	1476	SMT-SMTLEE.exe	36
PID 1476 wrote to memory of 2632	1476	SMT-SMTLEE.exe	36
PID 1476 wrote to memory of 2632	1476	SMT-SMTLEE.exe	36
PID 1476 wrote to memory of 2632	1476	SMT-SMTLEE.exe	36
PID 1476 wrote to memory of 2632	1476	SMT-SMTLEE.exe	36
PID 1476 wrote to memory of 2632	1476	SMT-SMTLEE.exe	36
PID 1476 wrote to memory of 2632	1476	SMT-SMTLEE.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SMT-SMTLEE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SMT-SMTLEE.exe

C:\Users\Admin\AppData\Local\Temp\SMT-SMTLEE.exe
"C:\Users\Admin\AppData\Local\Temp\SMT-SMTLEE.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- 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\SMT-SMTLEE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vXJvDpCf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2676
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vXJvDpCf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp38CC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2808
- C:\Users\Admin\AppData\Local\Temp\SMT-SMTLEE.exe
  "C:\Users\Admin\AppData\Local\Temp\SMT-SMTLEE.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:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp38CC.tmp

Filesize
1KB

MD5
d90dadb8489f21dc07963a350d7e28fd

SHA1
edd6f0716a5cdd9aa73393cbea7deb01c6baf10c

SHA256
b43bf5fdb95a3fc71b3f2ad060c21d3ea762640b9588d5cb5ddae43a3ced1710

SHA512
07213fb76f7fc251be054d98ed3b915b48370f06496e1e61d7a1979036153002c9fef6eebac2b37ccb8ec340cba3490b90899b01ef88f3240245e6da7603eced

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
7cb0b057734c5f08fa122faaa09d7f7d

SHA1
097e8f0e59f8e73470b4123d49d3cb4da02a070c

SHA256
d9883afcda907b28aaad937c9c6910e4540728a3b6c2342f6bd2ace54e8d4100

SHA512
1c0dc87f430a499a5ecf232bc26cfe69a59afaddbff916f1cfb75b1c76521da03966033549684cf18223c8366351e9e4fe924e81f600891fd986b2fd9b26e5cd

Download Submit
memory/1476-4-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/1476-32-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/1476-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/1476-5-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/1476-6-0x0000000004EE0000-0x0000000004F6C000-memory.dmp

Filesize
560KB

Download
memory/1476-2-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/1476-1-0x0000000000900000-0x00000000009B2000-memory.dmp

Filesize
712KB

Download
memory/1476-3-0x0000000001E60000-0x0000000001E78000-memory.dmp

Filesize
96KB

Download
memory/2632-23-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2632-31-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2632-29-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2632-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-25-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2632-21-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2632-19-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2632-28-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads