vipkeylogger | 84dbf1a7bb1aaf5fa8bc981b98e91f904884f967f526eceb2a4ef19aaeee464d

General

Target

invoice for payment request.exe
Size

528KB
MD5

42c6243d19bed300a01fda64e3d16819
SHA1

5dd4196945171a9c4a0d9b8f65070a1289d2a288
SHA256

1a8dd4fa9763e441591d8d927e8f69dc9e5138c62c80c9ff8d5007a1b8b2bef0
SHA512

0551531fb48a0e7097a7a38233c8bf62f6308519912538fd1774e7dd2c07d198c1d7912241749fcb543048a3aa89347911d92db264d74d0c933567617841ce8c
SSDEEP

12288:OquErHF6xC9D6DmR1J98w4oknqOOCyQf66zHERlIf7TcXHN87p7:Drl6kD68JmlotQf6akRlyTcXHq97

Score

10^/10

vipkeylogger collection discovery keylogger stealer upx

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
ifSg^KL6
Email To:
[email protected]

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-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
16	checkip.dyndns.org
18	reallyfreegeoip.org
20	reallyfreegeoip.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral4/memory/4216-15-0x0000000000FA0000-0x00000000010D5000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4216 set thread context of 1032	4216	invoice for payment request.exe	87

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/memory/4216-0-0x0000000000FA0000-0x00000000010D5000-memory.dmp	upx
behavioral4/memory/4216-15-0x0000000000FA0000-0x00000000010D5000-memory.dmp	upx

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	invoice for payment request.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1032	RegSvcs.exe
1032	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4216	invoice for payment request.exe
4216	invoice for payment request.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1032	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4216	invoice for payment request.exe
4216	invoice for payment request.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4216	invoice for payment request.exe
4216	invoice for payment request.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 1032	4216	invoice for payment request.exe	87
PID 4216 wrote to memory of 1032	4216	invoice for payment request.exe	87
PID 4216 wrote to memory of 1032	4216	invoice for payment request.exe	87
PID 4216 wrote to memory of 1032	4216	invoice for payment request.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\invoice for payment request.exe
"C:\Users\Admin\AppData\Local\Temp\invoice for payment request.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:4216
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\invoice for payment request.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:1032

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/1032-21-0x0000000073CF0000-0x00000000744A0000-memory.dmp

Filesize
7.7MB

Download
memory/1032-22-0x0000000006230000-0x00000000063F2000-memory.dmp

Filesize
1.8MB

Download
memory/1032-13-0x0000000000710000-0x000000000075A000-memory.dmp

Filesize
296KB

Download
memory/1032-26-0x0000000006210000-0x000000000621A000-memory.dmp

Filesize
40KB

Download
memory/1032-16-0x0000000073CFE000-0x0000000073CFF000-memory.dmp

Filesize
4KB

Download
memory/1032-17-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/1032-25-0x0000000006400000-0x0000000006492000-memory.dmp

Filesize
584KB

Download
memory/1032-20-0x0000000073CFE000-0x0000000073CFF000-memory.dmp

Filesize
4KB

Download
memory/1032-18-0x0000000004E00000-0x0000000004E9C000-memory.dmp

Filesize
624KB

Download
memory/1032-24-0x0000000006930000-0x0000000006E5C000-memory.dmp

Filesize
5.2MB

Download
memory/1032-19-0x0000000073CF0000-0x00000000744A0000-memory.dmp

Filesize
7.7MB

Download
memory/1032-23-0x00000000060B0000-0x0000000006100000-memory.dmp

Filesize
320KB

Download
memory/4216-0-0x0000000000FA0000-0x00000000010D5000-memory.dmp

Filesize
1.2MB

Download
memory/4216-12-0x00000000022B0000-0x00000000022B4000-memory.dmp

Filesize
16KB

Download
memory/4216-15-0x0000000000FA0000-0x00000000010D5000-memory.dmp

Filesize
1.2MB

Download

Analysis

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