vipkeylogger | 689d84d60434a515987bdd4f4f0d0bc33621d62ed47339bb6273f65258d92c55

General

Target

PO202501F.exe
Size

713KB
MD5

5006219231a8cb74552d0ad9c1b02ae9
SHA1

1b54149f1d9c54d370c37fc00ad2e28642059c74
SHA256

72fa904d41cfc7c04d3c095e84449aecb989cc98b1d008b3ce9b51717173b053
SHA512

3a71ab78c5ad20325752a4e25267ba086e845cbbdd0452c138a9ac2367f7f5c181d9d1e2019307b4687a170b5ca212559ebe06c44fa43289ba8cdcfaef6a8a0d
SSDEEP

12288:IPHkO6/ceaCdAA3w9zyaZyKgrwoyIgXCYAMA7Q:IPHkOXgAj9zVZgZDd7Q

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\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
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

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
5	checkip.dyndns.org
13	reallyfreegeoip.org
14	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3000 set thread context of 920	3000	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
920	AddInProcess32.exe
920	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	920	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 920	3000	PO202501F.exe	84
PID 3000 wrote to memory of 920	3000	PO202501F.exe	84
PID 3000 wrote to memory of 920	3000	PO202501F.exe	84
PID 3000 wrote to memory of 920	3000	PO202501F.exe	84
PID 3000 wrote to memory of 920	3000	PO202501F.exe	84
PID 3000 wrote to memory of 920	3000	PO202501F.exe	84
PID 3000 wrote to memory of 920	3000	PO202501F.exe	84
PID 3000 wrote to memory of 920	3000	PO202501F.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\PO202501F.exe
"C:\Users\Admin\AppData\Local\Temp\PO202501F.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3000
- 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:920

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/920-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/920-1-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/920-2-0x00000000057A0000-0x0000000005D44000-memory.dmp

Filesize
5.6MB

Download
memory/920-3-0x0000000005100000-0x000000000519C000-memory.dmp

Filesize
624KB

Download
memory/920-4-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/920-5-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/920-6-0x0000000006460000-0x0000000006622000-memory.dmp

Filesize
1.8MB

Download
memory/920-7-0x0000000006300000-0x0000000006350000-memory.dmp

Filesize
320KB

Download
memory/920-8-0x0000000006B60000-0x000000000708C000-memory.dmp

Filesize
5.2MB

Download
memory/920-9-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/920-10-0x00000000066D0000-0x0000000006762000-memory.dmp

Filesize
584KB

Download
memory/920-11-0x0000000006630000-0x000000000663A000-memory.dmp

Filesize
40KB

Download
memory/920-12-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/920-13-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/920-14-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/920-15-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download

Analysis

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