vipkeylogger | 42781336b34e19cf5ef16046cbf56ab7ba0370f89343121c63cda774a40d3c2e

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
30-01-2025 19:59

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General

Target

Comprobante de pago__pdf.exe
Size

19KB
MD5

4dcee6e4f297d24fad9454f56d9ee269
SHA1

dbf96d22cdfec813decbac5d54c07f3f20f543c8
SHA256

9aeacaff1f4ad8fa2b5c74318e05fce3827b3ab5cf7f54e286b43af5208c7140
SHA512

00c1794c2cd389d5300f220915999945cb76f50f401ed85594096c328e9fa95460520dc856bfdd064cc200878cc00c0470bf59789fda3bc7af835ded300ecd0b
SSDEEP

384:054nPRWVb6+m9M6qYuJY7te5ixNQfQxk1CxCvwN8:3JX+n6G/jDXvwN8

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot8181099166:AAHWiTz10g_-_BPRNk3yroxe3fl_IXTpU7s/sendMessage?chat_id=6250686237

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2756 created 3540	2756	Comprobante de pago__pdf.exe	56

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Method.vbs	Comprobante de pago__pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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
22	reallyfreegeoip.org
19	checkip.dyndns.org
21	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 4300	2756	Comprobante de pago__pdf.exe	86

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 2 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	Comprobante de pago__pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2756	Comprobante de pago__pdf.exe
2756	Comprobante de pago__pdf.exe
2756	Comprobante de pago__pdf.exe
4300	InstallUtil.exe
4300	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	Comprobante de pago__pdf.exe
Token: SeDebugPrivilege	2756	Comprobante de pago__pdf.exe
Token: SeDebugPrivilege	4300	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 4300	2756	Comprobante de pago__pdf.exe	86
PID 2756 wrote to memory of 4300	2756	Comprobante de pago__pdf.exe	86
PID 2756 wrote to memory of 4300	2756	Comprobante de pago__pdf.exe	86
PID 2756 wrote to memory of 4300	2756	Comprobante de pago__pdf.exe	86
PID 2756 wrote to memory of 4300	2756	Comprobante de pago__pdf.exe	86
PID 2756 wrote to memory of 4300	2756	Comprobante de pago__pdf.exe	86
PID 2756 wrote to memory of 4300	2756	Comprobante de pago__pdf.exe	86
PID 2756 wrote to memory of 4300	2756	Comprobante de pago__pdf.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3540
- C:\Users\Admin\AppData\Local\Temp\Comprobante de pago__pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Comprobante de pago__pdf.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2756
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:4300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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/2756-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/2756-1-0x0000000000D20000-0x0000000000D2C000-memory.dmp

Filesize
48KB

Download
memory/2756-2-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2756-3-0x0000000006980000-0x0000000006A8C000-memory.dmp

Filesize
1.0MB

Download
memory/2756-19-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-21-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-55-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-67-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-65-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-63-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-61-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-59-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-57-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-53-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-51-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-49-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-47-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-43-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-41-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-39-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-37-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-35-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-33-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-31-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-30-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-27-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-23-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-17-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-15-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-13-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-11-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-9-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-7-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-5-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-45-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-25-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-4-0x0000000006980000-0x0000000006A86000-memory.dmp

Filesize
1.0MB

Download
memory/2756-1326-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2756-1327-0x0000000006C30000-0x0000000006C96000-memory.dmp

Filesize
408KB

Download
memory/2756-1328-0x0000000006CB0000-0x0000000006D12000-memory.dmp

Filesize
392KB

Download
memory/2756-1329-0x0000000006D10000-0x0000000006D5C000-memory.dmp

Filesize
304KB

Download
memory/2756-1330-0x0000000007650000-0x0000000007BF4000-memory.dmp

Filesize
5.6MB

Download
memory/2756-1331-0x0000000006EA0000-0x0000000006EF4000-memory.dmp

Filesize
336KB

Download
memory/2756-1337-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2756-1341-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2756-1343-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/2756-1344-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2756-1342-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2756-1339-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/4300-1345-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/4300-1346-0x00000000005A0000-0x00000000005E8000-memory.dmp

Filesize
288KB

Download
memory/4300-1347-0x0000000004B10000-0x0000000004BAC000-memory.dmp

Filesize
624KB

Download
memory/4300-1348-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/4300-1349-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/4300-1350-0x0000000005FA0000-0x0000000006162000-memory.dmp

Filesize
1.8MB

Download
memory/4300-1351-0x0000000005E20000-0x0000000005E70000-memory.dmp

Filesize
320KB

Download
memory/4300-1352-0x0000000006170000-0x0000000006202000-memory.dmp

Filesize
584KB

Download
memory/4300-1353-0x0000000005F00000-0x0000000005F0A000-memory.dmp

Filesize
40KB

Download