vipkeylogger | 411c94ebbd1a923e16ec86c25d2e3f3037595653e9ea3e1794e7ab4db10935ad

Analysis

max time kernel
105s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 07:12

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General

Target

PI67899876500.exe
Size

1.4MB
MD5

9d8f3525e0cc982394ccf4642ae034ad
SHA1

d109ffe508713ee8a2f83026773450be1d9fedd4
SHA256

28832b453b55958ad297a0bde3a0e483b4445371e8b9d3048ffe0db8f5321d71
SHA512

ac4fde20765e090991c63dd952363729abf772fb9801f6d0170efebb721ecfe5ab81ac5b008ec1916d64f25e18fb5f364d640e7203c2783c64777c25966df915
SSDEEP

12288:pjM9XnM9WNTw7UxDL0Bhi7UVdLfWgOaCP6DY9QfDruCqdlVDVYiOm+fxWhJ:pJ9MTw7yL0GgZfWjIrurDVYiOmUIJ

Score

10^/10

vipkeylogger collection credential_access discovery evasion execution keylogger stealer trojan

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot7339564661:AAFzTB6gEWMndjXYyD5LCn17UEBISRR8wDI/sendMessage?chat_id=6443825857

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PI67899876500.exe

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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2332	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	iexplore.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	iexplore.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	iexplore.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	PI67899876500.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PI67899876500.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 1620 set thread context of 2868	1620	PI67899876500.exe	35

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 1 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	iexplore.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2332	powershell.exe
2868	iexplore.exe
2868	iexplore.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2332	powershell.exe
Token: SeDebugPrivilege	2868	iexplore.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2332	1620	PI67899876500.exe	30
PID 1620 wrote to memory of 2332	1620	PI67899876500.exe	30
PID 1620 wrote to memory of 2332	1620	PI67899876500.exe	30
PID 1620 wrote to memory of 2908	1620	PI67899876500.exe	32
PID 1620 wrote to memory of 2908	1620	PI67899876500.exe	32
PID 1620 wrote to memory of 2908	1620	PI67899876500.exe	32
PID 1620 wrote to memory of 2908	1620	PI67899876500.exe	32
PID 1620 wrote to memory of 2780	1620	PI67899876500.exe	33
PID 1620 wrote to memory of 2780	1620	PI67899876500.exe	33
PID 1620 wrote to memory of 2780	1620	PI67899876500.exe	33
PID 1620 wrote to memory of 2780	1620	PI67899876500.exe	33
PID 1620 wrote to memory of 2780	1620	PI67899876500.exe	33
PID 1620 wrote to memory of 2780	1620	PI67899876500.exe	33
PID 1620 wrote to memory of 2780	1620	PI67899876500.exe	33
PID 1620 wrote to memory of 2780	1620	PI67899876500.exe	33
PID 1620 wrote to memory of 2788	1620	PI67899876500.exe	34
PID 1620 wrote to memory of 2788	1620	PI67899876500.exe	34
PID 1620 wrote to memory of 2788	1620	PI67899876500.exe	34
PID 1620 wrote to memory of 2788	1620	PI67899876500.exe	34
PID 1620 wrote to memory of 2788	1620	PI67899876500.exe	34
PID 1620 wrote to memory of 2788	1620	PI67899876500.exe	34
PID 1620 wrote to memory of 2788	1620	PI67899876500.exe	34
PID 1620 wrote to memory of 2788	1620	PI67899876500.exe	34
PID 1620 wrote to memory of 2788	1620	PI67899876500.exe	34
PID 1620 wrote to memory of 2868	1620	PI67899876500.exe	35
PID 1620 wrote to memory of 2868	1620	PI67899876500.exe	35
PID 1620 wrote to memory of 2868	1620	PI67899876500.exe	35
PID 1620 wrote to memory of 2868	1620	PI67899876500.exe	35
PID 1620 wrote to memory of 2868	1620	PI67899876500.exe	35
PID 1620 wrote to memory of 2868	1620	PI67899876500.exe	35
PID 1620 wrote to memory of 2868	1620	PI67899876500.exe	35
PID 1620 wrote to memory of 2868	1620	PI67899876500.exe	35
PID 1620 wrote to memory of 2868	1620	PI67899876500.exe	35
PID 1620 wrote to memory of 2868	1620	PI67899876500.exe	35
PID 1620 wrote to memory of 2840	1620	PI67899876500.exe	36
PID 1620 wrote to memory of 2840	1620	PI67899876500.exe	36
PID 1620 wrote to memory of 2840	1620	PI67899876500.exe	36
PID 1620 wrote to memory of 2840	1620	PI67899876500.exe	36

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PI67899876500.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	iexplore.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	iexplore.exe

C:\Users\Admin\AppData\Local\Temp\PI67899876500.exe
"C:\Users\Admin\AppData\Local\Temp\PI67899876500.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1620
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PI67899876500.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2332
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
  2⤵
  PID:2908
- C:\Windows\System32\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  PID:2780
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2788
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.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:2868
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scripting

T1064

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Scripting

T1064

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1620-0-0x000007FEF6003000-0x000007FEF6004000-memory.dmp

Filesize
4KB

Download
memory/1620-1-0x0000000001360000-0x000000000136E000-memory.dmp

Filesize
56KB

Download
memory/1620-2-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/1620-3-0x000000001A770000-0x000000001A7FC000-memory.dmp

Filesize
560KB

Download
memory/1620-32-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2332-8-0x00000000026A0000-0x0000000002720000-memory.dmp

Filesize
512KB

Download
memory/2332-9-0x000000001B1F0000-0x000000001B4D2000-memory.dmp

Filesize
2.9MB

Download
memory/2332-10-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download
memory/2780-17-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2780-15-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2780-13-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2780-11-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2780-19-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2868-31-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2868-33-0x00000000004A0000-0x00000000004F0000-memory.dmp

Filesize
320KB

Download
memory/2868-34-0x0000000001FB0000-0x0000000001FFE000-memory.dmp

Filesize
312KB

Download