vipkeylogger | aee37e0b121f31c8e53a9b314a06d758b1ce6b47d89f99822cdec8b9c9011d82

General

Target

PO20250115.exe
Size

709KB
MD5

b2ef32c2a7e45a8b789e66a48201d959
SHA1

062ba278f42fb6b710ac37dd2db7e88390953246
SHA256

aee37e0b121f31c8e53a9b314a06d758b1ce6b47d89f99822cdec8b9c9011d82
SHA512

8835258e9735afe52ccd08d8d95167d5dbddfabe5bd2c8025cfb1c6e8262360ddb9749eb41e9bc7cfe754cae8b27c59167febff586a8518efe09f674c3b2c1a4
SSDEEP

12288:ihnIF7MkLBbdAAMTfU8ELr6MeODi7itjdMV70:mnIFbAhsRAQjdMV70

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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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
10	reallyfreegeoip.org
11	reallyfreegeoip.org
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 404	1608	PO20250115.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
404	AddInProcess32.exe
404	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	404	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 404	1608	PO20250115.exe	84
PID 1608 wrote to memory of 404	1608	PO20250115.exe	84
PID 1608 wrote to memory of 404	1608	PO20250115.exe	84
PID 1608 wrote to memory of 404	1608	PO20250115.exe	84
PID 1608 wrote to memory of 404	1608	PO20250115.exe	84
PID 1608 wrote to memory of 404	1608	PO20250115.exe	84
PID 1608 wrote to memory of 404	1608	PO20250115.exe	84
PID 1608 wrote to memory of 404	1608	PO20250115.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\PO20250115.exe
"C:\Users\Admin\AppData\Local\Temp\PO20250115.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1608
- 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:404

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/404-0-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/404-1-0x00000000753EE000-0x00000000753EF000-memory.dmp

Filesize
4KB

Download
memory/404-2-0x0000000005C10000-0x00000000061B4000-memory.dmp

Filesize
5.6MB

Download
memory/404-3-0x0000000005590000-0x000000000562C000-memory.dmp

Filesize
624KB

Download
memory/404-4-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download
memory/404-5-0x00000000753EE000-0x00000000753EF000-memory.dmp

Filesize
4KB

Download
memory/404-6-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download
memory/404-7-0x0000000006910000-0x0000000006AD2000-memory.dmp

Filesize
1.8MB

Download
memory/404-8-0x0000000006790000-0x00000000067E0000-memory.dmp

Filesize
320KB

Download
memory/404-9-0x0000000007010000-0x000000000753C000-memory.dmp

Filesize
5.2MB

Download
memory/404-10-0x0000000006AE0000-0x0000000006B72000-memory.dmp

Filesize
584KB

Download
memory/404-11-0x0000000006900000-0x000000000690A000-memory.dmp

Filesize
40KB

Download
memory/404-12-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download
memory/404-13-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download
memory/404-14-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download
memory/404-15-0x00000000753E0000-0x0000000075B90000-memory.dmp

Filesize
7.7MB

Download

Analysis

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