vipkeylogger | 85c285bebe51b5c10b53253e075f2dee14aae31937c6017892e0ff76f5ed9ba2

General

Target

RFQ#JST20251120.exe
Size

816KB
MD5

7d13669439d81a62e1b75ff99ef05a3a
SHA1

1dd313870e4b4e975e947eb940ba4276077c690b
SHA256

09b07535f70e781223029114e4b7ac0b8d80fe63fa60c9196a43b002c099342d
SHA512

463989f04237f7a4641777c1f6a8de1d74af447bda4e8eca9730282a42679bed59619f2bd284aff92dd5ff613b1ee997132917dd1b39850de6ee5e4ac53bfc9a
SSDEEP

12288:3KOlbxrEU0IO8DfP0fn2ggdFa7SwtKzqqp28VOrL2+QZTWygTZMLA9B8ZDg6pml:6U/fPaOa7SE18289kvTSEl

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot6172680371:AAGdna-xIKVG_ha6EKkcDxhJez2KjVhI3Pc/sendMessage?chat_id=7427804146

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2816	powershell.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ#JST20251120.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ#JST20251120.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ#JST20251120.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 2116 set thread context of 2616	2116	RFQ#JST20251120.exe	33

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 3 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	RFQ#JST20251120.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ#JST20251120.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2116	RFQ#JST20251120.exe
2116	RFQ#JST20251120.exe
2616	RFQ#JST20251120.exe
2816	powershell.exe
2616	RFQ#JST20251120.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	RFQ#JST20251120.exe
Token: SeDebugPrivilege	2616	RFQ#JST20251120.exe
Token: SeDebugPrivilege	2816	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2816	2116	RFQ#JST20251120.exe	30
PID 2116 wrote to memory of 2816	2116	RFQ#JST20251120.exe	30
PID 2116 wrote to memory of 2816	2116	RFQ#JST20251120.exe	30
PID 2116 wrote to memory of 2816	2116	RFQ#JST20251120.exe	30
PID 2116 wrote to memory of 2196	2116	RFQ#JST20251120.exe	32
PID 2116 wrote to memory of 2196	2116	RFQ#JST20251120.exe	32
PID 2116 wrote to memory of 2196	2116	RFQ#JST20251120.exe	32
PID 2116 wrote to memory of 2196	2116	RFQ#JST20251120.exe	32
PID 2116 wrote to memory of 2616	2116	RFQ#JST20251120.exe	33
PID 2116 wrote to memory of 2616	2116	RFQ#JST20251120.exe	33
PID 2116 wrote to memory of 2616	2116	RFQ#JST20251120.exe	33
PID 2116 wrote to memory of 2616	2116	RFQ#JST20251120.exe	33
PID 2116 wrote to memory of 2616	2116	RFQ#JST20251120.exe	33
PID 2116 wrote to memory of 2616	2116	RFQ#JST20251120.exe	33
PID 2116 wrote to memory of 2616	2116	RFQ#JST20251120.exe	33
PID 2116 wrote to memory of 2616	2116	RFQ#JST20251120.exe	33
PID 2116 wrote to memory of 2616	2116	RFQ#JST20251120.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ#JST20251120.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ#JST20251120.exe

C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251120.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251120.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251120.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2816
- C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251120.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251120.exe"
  2⤵
  PID:2196
- C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251120.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251120.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:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2116-0-0x00000000743AE000-0x00000000743AF000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x00000000008C0000-0x0000000000992000-memory.dmp

Filesize
840KB

Download
memory/2116-2-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-3-0x0000000000520000-0x0000000000546000-memory.dmp

Filesize
152KB

Download
memory/2116-4-0x00000000743AE000-0x00000000743AF000-memory.dmp

Filesize
4KB

Download
memory/2116-5-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-6-0x0000000004AA0000-0x0000000004B2E000-memory.dmp

Filesize
568KB

Download
memory/2116-23-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-17-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2616-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-19-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2616-13-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2616-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2616-22-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-21-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2616-9-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2616-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2616-26-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-27-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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