vipkeylogger | afafc4178154c86f4eff17a3a6ee0a1f7a1ea201a03f43c3ff1b0109539092aa

General

Target

PO202501F.exe
Size

2.8MB
MD5

0dd5014d304efb43d1ad1e58c746b96c
SHA1

01eb15c06ec35175e23c079d02ec27806bdc5580
SHA256

70fccd712c0675bda276231e600928b9a3bda595719e95adc5fb2b847b156bf9
SHA512

e9344b3aaa9cb5961b3dd8ae145c7dabbbb96104292ee9a9ed0e8ad4e0573c4446ea36568c4b2ca88a244fb5d299a4e549c086ab9faca5ba777ad6831620c7c2
SSDEEP

12288:pub1M1KYjZUnVZdAAaRgsYakHc5pgHApi3yQsXu/CV7O:pubi1DIDAVRgsSHsgHAhQsVV7O

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7965348925:AAGe8wdrvk9A3lxr1GIjGigodJ_zZ7prhfs/sendMessage?chat_id=6848903538

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-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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
17	reallyfreegeoip.org
18	reallyfreegeoip.org
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4048 set thread context of 536	4048	PO202501F.exe	84

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
536	AddInProcess32.exe
536	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 536	4048	PO202501F.exe	84
PID 4048 wrote to memory of 536	4048	PO202501F.exe	84
PID 4048 wrote to memory of 536	4048	PO202501F.exe	84
PID 4048 wrote to memory of 536	4048	PO202501F.exe	84
PID 4048 wrote to memory of 536	4048	PO202501F.exe	84
PID 4048 wrote to memory of 536	4048	PO202501F.exe	84
PID 4048 wrote to memory of 536	4048	PO202501F.exe	84
PID 4048 wrote to memory of 536	4048	PO202501F.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\PO202501F.exe
"C:\Users\Admin\AppData\Local\Temp\PO202501F.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4048
- 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:536

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

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Downloads

memory/536-0-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/536-1-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/536-2-0x0000000005560000-0x0000000005B04000-memory.dmp

Filesize
5.6MB

Download
memory/536-3-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

Filesize
624KB

Download
memory/536-4-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/536-5-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/536-6-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/536-7-0x0000000006260000-0x0000000006422000-memory.dmp

Filesize
1.8MB

Download
memory/536-8-0x00000000060E0000-0x0000000006130000-memory.dmp

Filesize
320KB

Download
memory/536-9-0x0000000006960000-0x0000000006E8C000-memory.dmp

Filesize
5.2MB

Download
memory/536-10-0x0000000006430000-0x00000000064C2000-memory.dmp

Filesize
584KB

Download
memory/536-11-0x0000000006240000-0x000000000624A000-memory.dmp

Filesize
40KB

Download
memory/536-12-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/536-13-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/536-14-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/536-15-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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