vipkeylogger | 2af29a5f99c8ab0654dbece76b2e046f66703a4ae8b4ffa9b4071f9aa74523d7

Resubmissions

10/10/2024, 02:19

241010-crx4sazhnm 10

Analysis

max time kernel
104s
max time network
137s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
10/10/2024, 02:19

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General

Target

Samples - 10-09-2024/45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe
Size

1.0MB
MD5

d96552352f1a07f3a15a7edeac9158fa
SHA1

874467ad9048f02dfcebc2415391f93854dfeeb6
SHA256

45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56
SHA512

eac4080aa9eac27327abecff4c1c2a6c92d1a573a3df1bdc10d2f6f3c39e96705911ec8c02245cb50bc59da5bb549025d7577bb10a66b2717f390b17d394c3fc
SSDEEP

24576:54lavt0LkLL9IMixoEgeaP6npT4Tl7zo7RG9kq9MmCS:Ikwkn9IMHeaPe5+7zARDaPCS

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot7045535067:AAFB6Qd5XE98Vho9iunrlrUC41JAx3FhGjY/sendMessage?chat_id=5916042829

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
1	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5352 set thread context of 3896	5352	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe	77

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2472	5352	WerFault.exe	76

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	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3896	RegSvcs.exe
3896	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5352	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3896	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5352	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe
5352	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
5352	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe
5352	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5352 wrote to memory of 3896	5352	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe	77
PID 5352 wrote to memory of 3896	5352	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe	77
PID 5352 wrote to memory of 3896	5352	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe	77
PID 5352 wrote to memory of 3896	5352	45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe	77

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Samples - 10-09-2024\45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.exe
"C:\Users\Admin\AppData\Local\Temp\Samples - 10-09-2024\45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.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:5352
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Samples - 10-09-2024\45aae4515b7076d25923730c3672cb9e8f462cf402828fd3eb2d3255d626df56.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:3896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5352 -s 824
  2⤵
  - Program crash
  PID:2472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 5352 -ip 5352
1⤵
PID:2236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/3896-12-0x0000000006830000-0x00000000069F2000-memory.dmp

Filesize
1.8MB

Download
memory/3896-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3896-8-0x000000007334E000-0x000000007334F000-memory.dmp

Filesize
4KB

Download
memory/3896-9-0x0000000005BB0000-0x0000000006156000-memory.dmp

Filesize
5.6MB

Download
memory/3896-10-0x00000000054D0000-0x000000000556C000-memory.dmp

Filesize
624KB

Download
memory/3896-11-0x0000000073340000-0x0000000073AF1000-memory.dmp

Filesize
7.7MB

Download
memory/3896-13-0x00000000066D0000-0x0000000006720000-memory.dmp

Filesize
320KB

Download
memory/3896-14-0x0000000006F30000-0x000000000745C000-memory.dmp

Filesize
5.2MB

Download
memory/3896-15-0x000000007334E000-0x000000007334F000-memory.dmp

Filesize
4KB

Download
memory/3896-16-0x0000000073340000-0x0000000073AF1000-memory.dmp

Filesize
7.7MB

Download
memory/3896-17-0x0000000006AA0000-0x0000000006B32000-memory.dmp

Filesize
584KB

Download
memory/3896-18-0x0000000006A00000-0x0000000006A0A000-memory.dmp

Filesize
40KB

Download
memory/5352-6-0x0000000001330000-0x0000000001730000-memory.dmp

Filesize
4.0MB

Download