vipkeylogger | a4bfdf1399ae2040899e457add172c8173ad1595bf14ca6536669d5c0e66fc3a

General

Target

8391104.exe
Size

758KB
MD5

50afdccb067af3ab7d20942e7bfc900a
SHA1

3d4e821d0a4e22efb13840a8df9febb7cb2e93de
SHA256

5e27c8b30586c5da69dab625c07db9ef9750213c1ea0053e35f62c098570d187
SHA512

9b015501b7c4c316f1d0f05d5872db7dbb5e093a23e3addb309ed8cc7c6a540b923c3c06c309b6d538eb5a219c89d9cde24e87164a786fbdbd275acde7ac9cc8
SSDEEP

12288:jk383le9ciHHsOGOXzLfLw+zQ9n10wJJCkItJO9YRmJAHBUgQFlx02KJHtJp1g+:jW3NSOXzLTm+wiHtF+CBdCl22K9Hg+

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
C$f)cMq8
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
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
2780	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8391104.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8391104.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8391104.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 2260 set thread context of 2532	2260	8391104.exe	34

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 4 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	8391104.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	8391104.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
2560	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2260	8391104.exe
2260	8391104.exe
2532	8391104.exe
2780	powershell.exe
2532	8391104.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	8391104.exe
Token: SeDebugPrivilege	2532	8391104.exe
Token: SeDebugPrivilege	2780	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2780	2260	8391104.exe	30
PID 2260 wrote to memory of 2780	2260	8391104.exe	30
PID 2260 wrote to memory of 2780	2260	8391104.exe	30
PID 2260 wrote to memory of 2780	2260	8391104.exe	30
PID 2260 wrote to memory of 2560	2260	8391104.exe	31
PID 2260 wrote to memory of 2560	2260	8391104.exe	31
PID 2260 wrote to memory of 2560	2260	8391104.exe	31
PID 2260 wrote to memory of 2560	2260	8391104.exe	31
PID 2260 wrote to memory of 2532	2260	8391104.exe	34
PID 2260 wrote to memory of 2532	2260	8391104.exe	34
PID 2260 wrote to memory of 2532	2260	8391104.exe	34
PID 2260 wrote to memory of 2532	2260	8391104.exe	34
PID 2260 wrote to memory of 2532	2260	8391104.exe	34
PID 2260 wrote to memory of 2532	2260	8391104.exe	34
PID 2260 wrote to memory of 2532	2260	8391104.exe	34
PID 2260 wrote to memory of 2532	2260	8391104.exe	34
PID 2260 wrote to memory of 2532	2260	8391104.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8391104.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8391104.exe

C:\Users\Admin\AppData\Local\Temp\8391104.exe
"C:\Users\Admin\AppData\Local\Temp\8391104.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HyiSGmoZImhJVO.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2780
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HyiSGmoZImhJVO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp536D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2560
- C:\Users\Admin\AppData\Local\Temp\8391104.exe
  "C:\Users\Admin\AppData\Local\Temp\8391104.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:2532

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\tmp536D.tmp

Filesize
1KB

MD5
a52923b0916da7803bdb9925c05b1923

SHA1
79e6cac47aa730168c756a7fdf82de1f847f10e6

SHA256
e5f157c2f67790e601d87eac222fd0e64b3f01e47d78d1e0b08ec1d9ae907833

SHA512
869ab8b64fc6043ec1e0953a293fa1f77628aa8109a4e0ca2d8de7672b8e5bcb404147ad9bc66094cdad332513b85ebdf9c33db432d06824dd714be648d5ebaa

Download Submit
memory/2260-27-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2260-1-0x0000000000CB0000-0x0000000000D74000-memory.dmp

Filesize
784KB

Download
memory/2260-2-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2260-3-0x0000000000710000-0x0000000000728000-memory.dmp

Filesize
96KB

Download
memory/2260-4-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/2260-5-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2260-6-0x0000000006060000-0x00000000060EE000-memory.dmp

Filesize
568KB

Download
memory/2260-0-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/2532-21-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2532-24-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2532-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2532-18-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2532-16-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2532-14-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2532-12-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2532-22-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads