vipkeylogger | 0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a

Analysis

max time kernel
142s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 16:05

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General

Target

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe
Size

807KB
MD5

4ea7acbe07832a24452ca2e2bb266a7c
SHA1

21450df2716bfc58c002e342be12b0013756d537
SHA256

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a
SHA512

e63ab7b572e9eda6faeb642484d02cf9e58e358b7a06196a03f3ca68e1316c4b79d5a80fd04f485ab57e29bcf8e28e3999af1540f2b7c4b1dda91493d1ea55d0
SSDEEP

24576:uvYV0HT73uF7nYjKdhfbe1BzyhEl+BD0GPpu6CHAy7N:pOzaRfrbe1wEl+BQb6C/

Score

10^/10

vipkeylogger collection discovery keylogger persistence spyware stealer

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot8177184706:AAEJ0_bPTtjIc-PnjNdYNmARZ2fvBD17ZJI/sendMessage?chat_id=6198188190

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

Loads dropped DLL 1 IoCs

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

pid	Process
4052	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Umttelighed = "C:\\Users\\Admin\\AppData\\Roaming\\lowwood\\Mellemstadiernes95.exe"	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.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.

Processes:

flow	ioc
21	checkip.dyndns.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

pid	Process
4448	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

pid	Process
4052	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe
4448	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

description	pid	Process	procid_target
PID 4052 set thread context of 4448	4052	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe	99

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

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

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

pid	Process
4448	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe
4448	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

pid	Process
4052	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

description	pid	Process
Token: SeDebugPrivilege	4448	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

description	pid	Process	procid_target
PID 4052 wrote to memory of 4448	4052	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe	99
PID 4052 wrote to memory of 4448	4052	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe	99
PID 4052 wrote to memory of 4448	4052	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe	99
PID 4052 wrote to memory of 4448	4052	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe	99
PID 4052 wrote to memory of 4448	4052	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe	99

outlook_office_path 1 IoCs

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

outlook_win_path 1 IoCs

Processes:

0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe

C:\Users\Admin\AppData\Local\Temp\0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe
"C:\Users\Admin\AppData\Local\Temp\0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Users\Admin\AppData\Local\Temp\0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe
  "C:\Users\Admin\AppData\Local\Temp\0c82cb659588d03f5f22c2619be0167b49daf4ffbc4890b876a3fcdb4b1ade0a.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsnA7BB.tmp\System.dll

Filesize
11KB

MD5
fc90dfb694d0e17b013d6f818bce41b0

SHA1
3243969886d640af3bfa442728b9f0dff9d5f5b0

SHA256
7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

SHA512
324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

Download Submit
memory/4052-12-0x0000000077631000-0x0000000077751000-memory.dmp

Filesize
1.1MB

Download
memory/4052-14-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/4052-13-0x0000000077631000-0x0000000077751000-memory.dmp

Filesize
1.1MB

Download
memory/4448-15-0x00000000776B8000-0x00000000776B9000-memory.dmp

Filesize
4KB

Download
memory/4448-16-0x0000000077631000-0x0000000077751000-memory.dmp

Filesize
1.1MB

Download
memory/4448-18-0x0000000000480000-0x00000000016D4000-memory.dmp

Filesize
18.3MB

Download
memory/4448-19-0x0000000000480000-0x00000000016D4000-memory.dmp

Filesize
18.3MB

Download
memory/4448-20-0x00000000726FE000-0x00000000726FF000-memory.dmp

Filesize
4KB

Download
memory/4448-21-0x0000000000480000-0x00000000004CA000-memory.dmp

Filesize
296KB

Download
memory/4448-22-0x0000000038F00000-0x00000000394A4000-memory.dmp

Filesize
5.6MB

Download
memory/4448-23-0x00000000394F0000-0x000000003958C000-memory.dmp

Filesize
624KB

Download
memory/4448-24-0x00000000726F0000-0x0000000072EA0000-memory.dmp

Filesize
7.7MB

Download
memory/4448-26-0x00000000726FE000-0x00000000726FF000-memory.dmp

Filesize
4KB

Download
memory/4448-27-0x00000000726F0000-0x0000000072EA0000-memory.dmp

Filesize
7.7MB

Download
memory/4448-28-0x0000000039D50000-0x0000000039F12000-memory.dmp

Filesize
1.8MB

Download
memory/4448-29-0x0000000039F30000-0x0000000039F80000-memory.dmp

Filesize
320KB

Download
memory/4448-30-0x000000003A010000-0x000000003A53C000-memory.dmp

Filesize
5.2MB

Download
memory/4448-34-0x000000003A590000-0x000000003A622000-memory.dmp

Filesize
584KB

Download
memory/4448-35-0x000000003A680000-0x000000003A68A000-memory.dmp

Filesize
40KB

Download