vipkeylogger | 67756ee395555735b7ee279aceedec914a19d6db9359d73647a72cc75440b367

General

Target

Quotepdf.exe
Size

971KB
MD5

54d3806599e545f23886b3d6d4f1c669
SHA1

ea8f2ac8e96230c9e88f75d6bf7b17a6f35c244e
SHA256

67756ee395555735b7ee279aceedec914a19d6db9359d73647a72cc75440b367
SHA512

d29a8ba9375127fb5bb26dfdb695f3ac90f60760a51f5070d70c6f208e7ec200ef952215cd28abbe6d9e6d5dc7af1114c85cefeb99ce098719b2462961bb12f1
SSDEEP

24576:cAHnh+eWsN3skA4RV1Hom2KXFmIaxtNP5:7h+ZkldoPK1Xaxtj

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7721085569:AAH1tkciy-nKykIEUNjOAUsItTcvNCVmFLo/sendMessage?chat_id=6236275763

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-1-5-21-2089655958-977706906-1981639424-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\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
7	checkip.dyndns.org
9	reallyfreegeoip.org
10	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1540 set thread context of 4484	1540	Quotepdf.exe	85

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	Quotepdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4484	RegSvcs.exe
4484	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1540	Quotepdf.exe
1540	Quotepdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4484	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1540	Quotepdf.exe
1540	Quotepdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1540	Quotepdf.exe
1540	Quotepdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 4484	1540	Quotepdf.exe	85
PID 1540 wrote to memory of 4484	1540	Quotepdf.exe	85
PID 1540 wrote to memory of 4484	1540	Quotepdf.exe	85
PID 1540 wrote to memory of 4484	1540	Quotepdf.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Quotepdf.exe
"C:\Users\Admin\AppData\Local\Temp\Quotepdf.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:1540
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotepdf.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:4484

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/1540-11-0x00000000016C0000-0x0000000001AC0000-memory.dmp

Filesize
4.0MB

Download
memory/4484-12-0x0000000000600000-0x000000000064A000-memory.dmp

Filesize
296KB

Download
memory/4484-13-0x000000007434E000-0x000000007434F000-memory.dmp

Filesize
4KB

Download
memory/4484-14-0x0000000005150000-0x00000000056F4000-memory.dmp

Filesize
5.6MB

Download
memory/4484-15-0x0000000004C80000-0x0000000004D1C000-memory.dmp

Filesize
624KB

Download
memory/4484-16-0x0000000074340000-0x0000000074AF0000-memory.dmp

Filesize
7.7MB

Download
memory/4484-17-0x000000007434E000-0x000000007434F000-memory.dmp

Filesize
4KB

Download
memory/4484-18-0x0000000074340000-0x0000000074AF0000-memory.dmp

Filesize
7.7MB

Download
memory/4484-19-0x0000000005FA0000-0x0000000006162000-memory.dmp

Filesize
1.8MB

Download
memory/4484-20-0x0000000005E40000-0x0000000005E90000-memory.dmp

Filesize
320KB

Download
memory/4484-21-0x00000000066A0000-0x0000000006BCC000-memory.dmp

Filesize
5.2MB

Download
memory/4484-22-0x0000000006170000-0x0000000006202000-memory.dmp

Filesize
584KB

Download
memory/4484-23-0x0000000000930000-0x000000000093A000-memory.dmp

Filesize
40KB

Download

Analysis

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