vipkeylogger | 8700660aebd452d331bd523e803446694c0469af2f3815de02658c8864cdb7e1

General

Target

Dekont_524057699-1034.img.exe
Size

820KB
MD5

3f41e4dca3d68822e0732dc773818828
SHA1

80238f7ae8a4377ca9a1ce7494e311971cd91448
SHA256

95f534332db8d77c0f0a5941076a56a162bc12080e8187d7ca0e8924f999a5cf
SHA512

1612b22f378979c1eaa0739b08b37e062904b78e1a369c93fad01d0007c7fff711aa59ea28d02e823ef543069f1e73b570bf08e453312ec4653122f1243201bc
SSDEEP

12288:iDOY00juUXTpUfLk4PC6Ob2zVZcM/EEThByEhBMpjcVlFZ6nHIHzuek0U5fCfXF0:iDOdwlAhP8bSHcwxhBeglWnALkVqq

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
2400	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	Dekont_524057699-1034.img.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dekont_524057699-1034.img.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dekont_524057699-1034.img.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 2328 set thread context of 2392	2328	Dekont_524057699-1034.img.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	Dekont_524057699-1034.img.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dekont_524057699-1034.img.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2328	Dekont_524057699-1034.img.exe
2328	Dekont_524057699-1034.img.exe
2392	Dekont_524057699-1034.img.exe
2400	powershell.exe
2392	Dekont_524057699-1034.img.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	Dekont_524057699-1034.img.exe
Token: SeDebugPrivilege	2392	Dekont_524057699-1034.img.exe
Token: SeDebugPrivilege	2400	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2392	Dekont_524057699-1034.img.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2400	2328	Dekont_524057699-1034.img.exe	31
PID 2328 wrote to memory of 2400	2328	Dekont_524057699-1034.img.exe	31
PID 2328 wrote to memory of 2400	2328	Dekont_524057699-1034.img.exe	31
PID 2328 wrote to memory of 2400	2328	Dekont_524057699-1034.img.exe	31
PID 2328 wrote to memory of 2392	2328	Dekont_524057699-1034.img.exe	33
PID 2328 wrote to memory of 2392	2328	Dekont_524057699-1034.img.exe	33
PID 2328 wrote to memory of 2392	2328	Dekont_524057699-1034.img.exe	33
PID 2328 wrote to memory of 2392	2328	Dekont_524057699-1034.img.exe	33
PID 2328 wrote to memory of 2392	2328	Dekont_524057699-1034.img.exe	33
PID 2328 wrote to memory of 2392	2328	Dekont_524057699-1034.img.exe	33
PID 2328 wrote to memory of 2392	2328	Dekont_524057699-1034.img.exe	33
PID 2328 wrote to memory of 2392	2328	Dekont_524057699-1034.img.exe	33
PID 2328 wrote to memory of 2392	2328	Dekont_524057699-1034.img.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	Dekont_524057699-1034.img.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	Dekont_524057699-1034.img.exe

C:\Users\Admin\AppData\Local\Temp\Dekont_524057699-1034.img.exe
"C:\Users\Admin\AppData\Local\Temp\Dekont_524057699-1034.img.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328
- 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\Dekont_524057699-1034.img.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2400
- C:\Users\Admin\AppData\Local\Temp\Dekont_524057699-1034.img.exe
  "C:\Users\Admin\AppData\Local\Temp\Dekont_524057699-1034.img.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2392

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

Loading Replay Monitor...

Downloads

memory/2328-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x0000000000200000-0x00000000002D2000-memory.dmp

Filesize
840KB

Download
memory/2328-2-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2328-3-0x0000000000460000-0x000000000047E000-memory.dmp

Filesize
120KB

Download
memory/2328-4-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2328-5-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2328-6-0x0000000001EA0000-0x0000000001F2E000-memory.dmp

Filesize
568KB

Download
memory/2328-20-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2392-14-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2392-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2392-18-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2392-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2392-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2392-10-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2392-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2392-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2392-19-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2392-21-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2392-24-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2392-25-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing