vipkeylogger | 321b137e3d9fb127daa8a992a5e2d826361456054ccd70f2308a369663db755d

General

Target

PO20250114.exe
Size

649KB
MD5

4c6155abdd35075944e44249e13a89b8
SHA1

badcccacec1ef981465c198cda1a14655b500916
SHA256

321b137e3d9fb127daa8a992a5e2d826361456054ccd70f2308a369663db755d
SHA512

d788a5d941a3e649feea8fdfa83b537d62cb4e7cd125152950dde551803939fb1b5576a8885a7e69add1a41201e9600d334334b85ace6f0b535c73eddeccab52
SSDEEP

12288:JaUEPcD6Tx+ir6hNmTTHqQV68rRt2dAAr7Q:JaUEA4uAm7Q

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot8142303375:AAHX-mzhzTV-i-RQwine3fdKTn0LVxq54ng/sendMessage?chat_id=7656766151

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.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
3	checkip.dyndns.org
14	reallyfreegeoip.org
15	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 5116	2628	PO20250114.exe	83

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5116	AddInProcess32.exe
5116	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5116	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 5116	2628	PO20250114.exe	83
PID 2628 wrote to memory of 5116	2628	PO20250114.exe	83
PID 2628 wrote to memory of 5116	2628	PO20250114.exe	83
PID 2628 wrote to memory of 5116	2628	PO20250114.exe	83
PID 2628 wrote to memory of 5116	2628	PO20250114.exe	83
PID 2628 wrote to memory of 5116	2628	PO20250114.exe	83
PID 2628 wrote to memory of 5116	2628	PO20250114.exe	83
PID 2628 wrote to memory of 5116	2628	PO20250114.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\PO20250114.exe
"C:\Users\Admin\AppData\Local\Temp\PO20250114.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.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:5116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/5116-0-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5116-1-0x000000007512E000-0x000000007512F000-memory.dmp

Filesize
4KB

Download
memory/5116-2-0x0000000005B70000-0x0000000006114000-memory.dmp

Filesize
5.6MB

Download
memory/5116-3-0x00000000055C0000-0x000000000565C000-memory.dmp

Filesize
624KB

Download
memory/5116-4-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/5116-5-0x000000007512E000-0x000000007512F000-memory.dmp

Filesize
4KB

Download
memory/5116-6-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/5116-7-0x00000000068F0000-0x0000000006AB2000-memory.dmp

Filesize
1.8MB

Download
memory/5116-8-0x0000000006790000-0x00000000067E0000-memory.dmp

Filesize
320KB

Download
memory/5116-9-0x0000000006FF0000-0x000000000751C000-memory.dmp

Filesize
5.2MB

Download
memory/5116-10-0x0000000006B60000-0x0000000006BF2000-memory.dmp

Filesize
584KB

Download
memory/5116-11-0x0000000006AD0000-0x0000000006ADA000-memory.dmp

Filesize
40KB

Download
memory/5116-12-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/5116-13-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/5116-14-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download
memory/5116-15-0x0000000075120000-0x00000000758D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing