vipkeylogger | e815d94bbc740f005368e3a233a5bbaa912b49cc3e9280c103765d747d09815e

General

Target

OVERDUE INVOICE.exe
Size

810KB
MD5

f50c1b50e1c3819603ed8a59e9326847
SHA1

162a6906470e37e7ef7031cf11717de943d5d3b8
SHA256

7daa889b5b5657f30d137070cc47cd74bab163061dbfe09b6e8fcabd23f94668
SHA512

49627b4ba38eb921b33d44205c6dafe81868e27f94e2c7ba6abb5ac2af258849ec6e7f0af9591040afb5118f09cd84196d1e0ab35c7b14a61f8d045f72f1f6e4
SSDEEP

12288:1ig9YRZPIy9PEugnCygfryb3G4WBVhvvPrlxzDv4M6bqOi:YYsZPpPEug3h24WBV9XrXgM6T

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
s7.whitelabelclouds.com
Port:
587
Username:
[email protected]
Password:
Wegohammer2#
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-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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
31	checkip.dyndns.org
34	reallyfreegeoip.org
35	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4884 set thread context of 3764	4884	OVERDUE INVOICE.exe	91

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	OVERDUE INVOICE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4884	OVERDUE INVOICE.exe
4884	OVERDUE INVOICE.exe
4884	OVERDUE INVOICE.exe
3764	InstallUtil.exe
3764	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	OVERDUE INVOICE.exe
Token: SeDebugPrivilege	3764	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 3764	4884	OVERDUE INVOICE.exe	91
PID 4884 wrote to memory of 3764	4884	OVERDUE INVOICE.exe	91
PID 4884 wrote to memory of 3764	4884	OVERDUE INVOICE.exe	91
PID 4884 wrote to memory of 3764	4884	OVERDUE INVOICE.exe	91
PID 4884 wrote to memory of 3764	4884	OVERDUE INVOICE.exe	91
PID 4884 wrote to memory of 3764	4884	OVERDUE INVOICE.exe	91
PID 4884 wrote to memory of 3764	4884	OVERDUE INVOICE.exe	91
PID 4884 wrote to memory of 3764	4884	OVERDUE INVOICE.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\OVERDUE INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\OVERDUE INVOICE.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:3764

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/3764-14-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3764-21-0x0000000006BB0000-0x0000000006C00000-memory.dmp

Filesize
320KB

Download
memory/3764-20-0x0000000006D20000-0x0000000006EE2000-memory.dmp

Filesize
1.8MB

Download
memory/3764-19-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3764-18-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3764-16-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/4884-5-0x0000000004BF0000-0x0000000004BFA000-memory.dmp

Filesize
40KB

Download
memory/4884-13-0x0000000006B00000-0x0000000006B06000-memory.dmp

Filesize
24KB

Download
memory/4884-8-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/4884-9-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/4884-10-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/4884-11-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/4884-12-0x0000000006AE0000-0x0000000006AFA000-memory.dmp

Filesize
104KB

Download
memory/4884-7-0x0000000004EF0000-0x0000000004F32000-memory.dmp

Filesize
264KB

Download
memory/4884-6-0x0000000005FA0000-0x000000000603C000-memory.dmp

Filesize
624KB

Download
memory/4884-0-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/4884-17-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/4884-4-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/4884-3-0x0000000004C70000-0x0000000004D02000-memory.dmp

Filesize
584KB

Download
memory/4884-2-0x0000000005350000-0x00000000058F4000-memory.dmp

Filesize
5.6MB

Download
memory/4884-1-0x0000000000140000-0x0000000000210000-memory.dmp

Filesize
832KB

Download

Analysis

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