vipkeylogger | f6bc77a19dc8441e0c2a35dc81b89ac19c618acb4d45fa32754110ed30c61a79

General

Target

comprobantes de pago.exe
Size

77.0MB
MD5

08a6ef433d71fa3d8c12a49c90536e07
SHA1

36fb6637e9ca8086c55d9cf919bdd2dae3eb378d
SHA256

f6bc77a19dc8441e0c2a35dc81b89ac19c618acb4d45fa32754110ed30c61a79
SHA512

97f3914af07cc480f475bf38c06790dc015954da9d8d86cfbe4ccbe18e641a85eb4d4a9ebb60420be298c6790bd3592586c087e18b55bf8e4cea816e966a56b4
SSDEEP

24576:utb20pkaCqT5TBWgNQ7aGnuRUc1g0Zo/h/G86A:bVg5tQ7aGnuRA06h/35

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 1096	2860	comprobantes de pago.exe	31

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	comprobantes de pago.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1096	svchost.exe
1096	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2860	comprobantes de pago.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2860	comprobantes de pago.exe
2860	comprobantes de pago.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2860	comprobantes de pago.exe
2860	comprobantes de pago.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 1096	2860	comprobantes de pago.exe	31
PID 2860 wrote to memory of 1096	2860	comprobantes de pago.exe	31
PID 2860 wrote to memory of 1096	2860	comprobantes de pago.exe	31
PID 2860 wrote to memory of 1096	2860	comprobantes de pago.exe	31
PID 2860 wrote to memory of 1096	2860	comprobantes de pago.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\comprobantes de pago.exe
"C:\Users\Admin\AppData\Local\Temp\comprobantes de pago.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\comprobantes de pago.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:1096

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

Loading Replay Monitor...

Downloads

memory/1096-13-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1096-7-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1096-10-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1096-9-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1096-11-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1096-12-0x0000000000AC0000-0x0000000000B0E000-memory.dmp

Filesize
312KB

Download
memory/1096-14-0x0000000000B60000-0x0000000000BAE000-memory.dmp

Filesize
312KB

Download
memory/1096-15-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1096-16-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1096-17-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1096-18-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1096-19-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2860-6-0x0000000000640000-0x0000000000A40000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing