vipkeylogger | 3cfd788d5afda6983a45caf8ca7a3b013098f287aba5aed9e41dc7250f5b7957

General

Target

BugSplat64.dll
Size

12.4MB
MD5

5dc0ed87146dacc6f84005f6667a977a
SHA1

397fd547749314eca0780275e8c695067256d82d
SHA256

5b0c0b5fab4030da17e80d45dddaacda910e443d3a270882196968b9309bfaaf
SHA512

f3df02654ebee17d9b7c1346d6a4a69d8a5fb025731e27ac7cab4929e4ec87818d6ed446ad95a959000013730d65523ff24036af23847ab0646883883b7df786
SSDEEP

98304:ppnzRymHDY4HFSnarEN1w7Kx7GdvrqexhNZZ0MG1qB1H7F2hjGXCcdWSxwxQ2jh:pNFD84H+NqelOBBZZsItR2hjGXPdcxF

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.wxtp.store
Port:
587
Username:
[email protected]
Password:
7213575aceACE@@
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2384	2848	rundll32.exe	32

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	installutil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2384	installutil.exe
2384	installutil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	installutil.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2656	2848	rundll32.exe	31
PID 2848 wrote to memory of 2656	2848	rundll32.exe	31
PID 2848 wrote to memory of 2656	2848	rundll32.exe	31
PID 2848 wrote to memory of 2656	2848	rundll32.exe	31
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32
PID 2848 wrote to memory of 2384	2848	rundll32.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\BugSplat64.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:2656
- 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:2384

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/2384-3-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2384-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2384-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2384-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2384-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-5-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2384-2-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2384-4-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2384-12-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/2384-13-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2384-14-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/2384-15-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2848-0-0x00000000003B0000-0x00000000003C0000-memory.dmp

Filesize
64KB

Download

Analysis

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