vipkeylogger | c61c89b96eb48eaf6d0646ba040b689201b0a781b625cada062548426ee5c9a5

General

Target

RFQ#JST20251127.exe
Size

777KB
MD5

2a033ce79f8142bc08a4936294f0cac7
SHA1

facae4705744a69dae73c1215b93d0c0f68615cb
SHA256

662c59e2e25dd110e668d033d78c2becf8c9441becc0f635bae889f9818031a4
SHA512

c7de1555c388a0ab61fbe680ff42b828324b865a2093d247c4b937cb12b16bbe767e7cf7bd96cc437b17493ae63aa775de5fe0257aa649622b987193a2215b96
SSDEEP

12288:j3L7Wa+k86Rg9IcgMiXBKy83nEiOm8mPaEC8mGo1GAVp2Lr7nE87bGiB:Uk30iRgXE11cRCZGvAVpP87

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
2892	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ#JST20251127.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ#JST20251127.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ#JST20251127.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 2680 set thread context of 3036	2680	RFQ#JST20251127.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ#JST20251127.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ#JST20251127.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2680	RFQ#JST20251127.exe
2680	RFQ#JST20251127.exe
3036	RFQ#JST20251127.exe
2892	powershell.exe
3036	RFQ#JST20251127.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	RFQ#JST20251127.exe
Token: SeDebugPrivilege	3036	RFQ#JST20251127.exe
Token: SeDebugPrivilege	2892	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2892	2680	RFQ#JST20251127.exe	30
PID 2680 wrote to memory of 2892	2680	RFQ#JST20251127.exe	30
PID 2680 wrote to memory of 2892	2680	RFQ#JST20251127.exe	30
PID 2680 wrote to memory of 2892	2680	RFQ#JST20251127.exe	30
PID 2680 wrote to memory of 2596	2680	RFQ#JST20251127.exe	32
PID 2680 wrote to memory of 2596	2680	RFQ#JST20251127.exe	32
PID 2680 wrote to memory of 2596	2680	RFQ#JST20251127.exe	32
PID 2680 wrote to memory of 2596	2680	RFQ#JST20251127.exe	32
PID 2680 wrote to memory of 3036	2680	RFQ#JST20251127.exe	33
PID 2680 wrote to memory of 3036	2680	RFQ#JST20251127.exe	33
PID 2680 wrote to memory of 3036	2680	RFQ#JST20251127.exe	33
PID 2680 wrote to memory of 3036	2680	RFQ#JST20251127.exe	33
PID 2680 wrote to memory of 3036	2680	RFQ#JST20251127.exe	33
PID 2680 wrote to memory of 3036	2680	RFQ#JST20251127.exe	33
PID 2680 wrote to memory of 3036	2680	RFQ#JST20251127.exe	33
PID 2680 wrote to memory of 3036	2680	RFQ#JST20251127.exe	33
PID 2680 wrote to memory of 3036	2680	RFQ#JST20251127.exe	33

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	RFQ#JST20251127.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	RFQ#JST20251127.exe

C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251127.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251127.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680
- 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#JST20251127.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892
- C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251127.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251127.exe"
  2⤵
  PID:2596
- C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251127.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251127.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:3036

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/2680-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2680-1-0x0000000000EA0000-0x0000000000F68000-memory.dmp

Filesize
800KB

Download
memory/2680-2-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2680-3-0x0000000000610000-0x000000000062E000-memory.dmp

Filesize
120KB

Download
memory/2680-4-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2680-5-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2680-6-0x0000000000560000-0x00000000005EE000-memory.dmp

Filesize
568KB

Download
memory/2680-20-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/3036-13-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3036-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3036-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-8-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3036-9-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3036-15-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3036-19-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3036-10-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3036-18-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/3036-23-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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