vipkeylogger | 633fab421c431bf0c98270e6706420cb9945195e17f1a5a2ddcaaf6c56287bde

Analysis

max time kernel
120s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2025, 14:48

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General

Target

PO-INVOICE.exe
Size

1.0MB
MD5

52801720d0495e0bd1f781e22bf48a20
SHA1

101b93a16ecedb1b143f80ddbdb12ee376ec1f88
SHA256

633fab421c431bf0c98270e6706420cb9945195e17f1a5a2ddcaaf6c56287bde
SHA512

aa7eef07b09cdb9a99e6bd056e3fab7142e1859f23cd1429b9877e03c33f281e844d718bfe1c31c37a79b8d33f7c9df43b683a2e74fc38bb63553fc8a2cd8d24
SSDEEP

24576:NRxYwke17y0EID2XalWFwXf+5pyewHrAKF6F8Ld339S:pFlA0EIDDsFwv0Mx8CL

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
25
Username:
[email protected]
Password:
moneyismade22
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DigestAlgorithm.vbs	PO-INVOICE.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\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
23	reallyfreegeoip.org
24	reallyfreegeoip.org
20	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2440 set thread context of 4988	2440	PO-INVOICE.exe	89

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	PO-INVOICE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4988	InstallUtil.exe
4988	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	PO-INVOICE.exe
Token: SeDebugPrivilege	2440	PO-INVOICE.exe
Token: SeDebugPrivilege	4988	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 4988	2440	PO-INVOICE.exe	89
PID 2440 wrote to memory of 4988	2440	PO-INVOICE.exe	89
PID 2440 wrote to memory of 4988	2440	PO-INVOICE.exe	89
PID 2440 wrote to memory of 4988	2440	PO-INVOICE.exe	89
PID 2440 wrote to memory of 4988	2440	PO-INVOICE.exe	89
PID 2440 wrote to memory of 4988	2440	PO-INVOICE.exe	89
PID 2440 wrote to memory of 4988	2440	PO-INVOICE.exe	89
PID 2440 wrote to memory of 4988	2440	PO-INVOICE.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\PO-INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\PO-INVOICE.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440
- 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:4988

Network

MITRE ATT&CK Enterprise v16

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/2440-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/2440-1-0x00000000008A0000-0x00000000009B2000-memory.dmp

Filesize
1.1MB

Download
memory/2440-2-0x0000000005370000-0x000000000547C000-memory.dmp

Filesize
1.0MB

Download
memory/2440-3-0x0000000005A30000-0x0000000005FD4000-memory.dmp

Filesize
5.6MB

Download
memory/2440-4-0x0000000005560000-0x00000000055F2000-memory.dmp

Filesize
584KB

Download
memory/2440-24-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-16-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-6-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-38-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-56-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-68-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-66-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-64-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-62-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-60-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-54-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-52-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-50-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-48-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-46-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-44-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-42-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-41-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-36-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-34-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-32-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-30-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-58-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-28-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-26-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-22-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-20-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-18-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-14-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-12-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-10-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-8-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-5-0x0000000005370000-0x0000000005476000-memory.dmp

Filesize
1.0MB

Download
memory/2440-1341-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2440-1342-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2440-1343-0x0000000005660000-0x00000000056C4000-memory.dmp

Filesize
400KB

Download
memory/2440-1344-0x0000000005720000-0x0000000005782000-memory.dmp

Filesize
392KB

Download
memory/2440-1345-0x0000000005780000-0x00000000057CC000-memory.dmp

Filesize
304KB

Download
memory/2440-1346-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/2440-1347-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2440-1348-0x0000000005910000-0x0000000005964000-memory.dmp

Filesize
336KB

Download
memory/2440-1352-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4988-1353-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4988-1354-0x0000000000180000-0x00000000001BE000-memory.dmp

Filesize
248KB

Download
memory/4988-1355-0x0000000004A20000-0x0000000004ABC000-memory.dmp

Filesize
624KB

Download
memory/4988-1356-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4988-1357-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4988-1358-0x0000000005CF0000-0x0000000005EB2000-memory.dmp

Filesize
1.8MB

Download
memory/4988-1359-0x00000000063F0000-0x000000000691C000-memory.dmp

Filesize
5.2MB

Download
memory/4988-1360-0x0000000000820000-0x000000000082A000-memory.dmp

Filesize
40KB

Download