vipkeylogger | ceba2c86afbcafec83c35c4a501db488ededa75515d55df652aa22ac9bc9dac6

General

Target

PO202501F.exe
Size

615KB
MD5

a70322c6cc4b2cf7b2e21e54eaa49643
SHA1

3da33eb5a8bcdbc578b56984d9883c598f3786c1
SHA256

ceba2c86afbcafec83c35c4a501db488ededa75515d55df652aa22ac9bc9dac6
SHA512

accda190a6ab65b2a5929cf17eea28b3812858b0a629a6aa92e5b41c8cd1d1d183763ec7c59abd800ffdedb0b06006a36a30a6f875c08a7279d456090ea60124
SSDEEP

12288:hQUqaxXOuZv5s2PIbZyxyLUL+z14JqY+W6Y6Y4CYYYY4pYYYYdYYYYwYYYYaYYYn:hQUnZa2wbZyxyLG+z1VY+W6Y6Y4CYYYQ

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-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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
14	reallyfreegeoip.org
5	checkip.dyndns.org
13	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2376 set thread context of 4760	2376	PO202501F.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
4760	AddInProcess32.exe
4760	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4760	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 4760	2376	PO202501F.exe	83
PID 2376 wrote to memory of 4760	2376	PO202501F.exe	83
PID 2376 wrote to memory of 4760	2376	PO202501F.exe	83
PID 2376 wrote to memory of 4760	2376	PO202501F.exe	83
PID 2376 wrote to memory of 4760	2376	PO202501F.exe	83
PID 2376 wrote to memory of 4760	2376	PO202501F.exe	83
PID 2376 wrote to memory of 4760	2376	PO202501F.exe	83
PID 2376 wrote to memory of 4760	2376	PO202501F.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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:2376
- 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:4760

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/4760-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4760-1-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/4760-2-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/4760-3-0x0000000005500000-0x000000000559C000-memory.dmp

Filesize
624KB

Download
memory/4760-4-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4760-5-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/4760-6-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4760-7-0x0000000006850000-0x0000000006A12000-memory.dmp

Filesize
1.8MB

Download
memory/4760-8-0x00000000066D0000-0x0000000006720000-memory.dmp

Filesize
320KB

Download
memory/4760-9-0x0000000006F50000-0x000000000747C000-memory.dmp

Filesize
5.2MB

Download
memory/4760-10-0x0000000006A20000-0x0000000006AB2000-memory.dmp

Filesize
584KB

Download
memory/4760-11-0x0000000006810000-0x000000000681A000-memory.dmp

Filesize
40KB

Download
memory/4760-12-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4760-13-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4760-14-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4760-15-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download

Analysis

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