vipkeylogger | 1682cc5be9fa4e376105cd2200e8b11afec236314cd692ac46d6ff1d7b64bada

General

Target

PO202501F.exe
Size

1.0MB
MD5

d6ed96a1b57736e3e0db5890ccd54f09
SHA1

b3a1e550b98af6c1917b6edea2def0cc3eee0985
SHA256

1682cc5be9fa4e376105cd2200e8b11afec236314cd692ac46d6ff1d7b64bada
SHA512

13c414b76ba826263df42e4c09a5417d843d365b497e5b706e9e2b8b0892905b85970da73c911071a706ea3caecb5af8db4b6b2747eff046b90967d2bbafde74
SSDEEP

12288:1aMaSzOKy2r7SPNcb4xUAXksJ1PANA+PSUGVPu4Ag2PDH/bCp:EMaSSKy2/SPNcc1XknA+PSUGZuVPDf

Score

10^/10

vipkeylogger collection discovery keylogger spyware 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
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO202501F.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO202501F.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO202501F.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
13	checkip.dyndns.org
19	reallyfreegeoip.org
20	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4416 set thread context of 4428	4416	PO202501F.exe	82

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	PO202501F.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO202501F.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4428	PO202501F.exe
4428	PO202501F.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4428	PO202501F.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 4428	4416	PO202501F.exe	82
PID 4416 wrote to memory of 4428	4416	PO202501F.exe	82
PID 4416 wrote to memory of 4428	4416	PO202501F.exe	82
PID 4416 wrote to memory of 4428	4416	PO202501F.exe	82
PID 4416 wrote to memory of 4428	4416	PO202501F.exe	82
PID 4416 wrote to memory of 4428	4416	PO202501F.exe	82
PID 4416 wrote to memory of 4428	4416	PO202501F.exe	82
PID 4416 wrote to memory of 4428	4416	PO202501F.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO202501F.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO202501F.exe

C:\Users\Admin\AppData\Local\Temp\PO202501F.exe
"C:\Users\Admin\AppData\Local\Temp\PO202501F.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Users\Admin\AppData\Local\Temp\PO202501F.exe
  "C:\Users\Admin\AppData\Local\Temp\PO202501F.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:4428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4416-12-0x00000000752AE000-0x00000000752AF000-memory.dmp

Filesize
4KB

Download
memory/4416-1-0x0000000000740000-0x000000000084C000-memory.dmp

Filesize
1.0MB

Download
memory/4416-2-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/4416-3-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/4416-4-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4416-5-0x00000000052F0000-0x00000000052FA000-memory.dmp

Filesize
40KB

Download
memory/4416-6-0x00000000053B0000-0x0000000005440000-memory.dmp

Filesize
576KB

Download
memory/4416-7-0x0000000005600000-0x000000000569C000-memory.dmp

Filesize
624KB

Download
memory/4416-8-0x0000000005440000-0x0000000005448000-memory.dmp

Filesize
32KB

Download
memory/4416-13-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4416-0-0x00000000752AE000-0x00000000752AF000-memory.dmp

Filesize
4KB

Download
memory/4428-10-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4428-11-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4428-9-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4428-14-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4428-15-0x0000000006AB0000-0x0000000006C72000-memory.dmp

Filesize
1.8MB

Download
memory/4428-16-0x0000000006950000-0x00000000069A0000-memory.dmp

Filesize
320KB

Download
memory/4428-17-0x00000000071B0000-0x00000000076DC000-memory.dmp

Filesize
5.2MB

Download
memory/4428-18-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4428-19-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4428-20-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/4428-21-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download

Analysis

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