vipkeylogger | b77d2ac80bfa9fc886478caa6650394e1aa9fbd87c5f228a88a7f179cfd1a8d3

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20/03/2025, 08:43

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General

Target
DO2IO4411BWDPDF.exe
Size 620KB
Sample250320-kmrefayvbz
SHA256 1c3857b716fc65dbd1ffdc7e06b1d2b0420537ac4f113d7ece283b64fee8c976
MD5 b8f1d13079c3ab093445a9a2b97b3c03
SHA1 df77af2e3d587d4dc67e8f990161062fe458763c
SHA512 99a9334377a012a01be889d7c123192f47776bfd87b272ca58593e0da4a946c18e93f06a95125e1017e70c6e9ff1f1cef0b265017d7848034511c7850d10568b
SSDEEP 12288:AisTsxwMqAJjpjCU5p/tfgd8PyaKOESLyPkHxQO7XY3y8IU0dWOk5:ALa3kU5pFYd8PyaKOESLtNYn0Dg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vipkeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot7210869128:AAGc04ZCMPLfzv0warXn0rHygWnOYwhUN-w/sendMessage?chat_id=5019476480

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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
320	powershell.exe
2132	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.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
8	reallyfreegeoip.org
9	reallyfreegeoip.org
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1584 set thread context of 2940	1584	DO2IO4411BWDPDF.exe	37

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 5 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	DO2IO4411BWDPDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1584	DO2IO4411BWDPDF.exe
1584	DO2IO4411BWDPDF.exe
320	powershell.exe
2132	powershell.exe
2940	vbc.exe
2940	vbc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1584	DO2IO4411BWDPDF.exe
Token: SeDebugPrivilege	320	powershell.exe
Token: SeDebugPrivilege	2132	powershell.exe
Token: SeDebugPrivilege	2940	vbc.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 2132	1584	DO2IO4411BWDPDF.exe	31
PID 1584 wrote to memory of 2132	1584	DO2IO4411BWDPDF.exe	31
PID 1584 wrote to memory of 2132	1584	DO2IO4411BWDPDF.exe	31
PID 1584 wrote to memory of 2132	1584	DO2IO4411BWDPDF.exe	31
PID 1584 wrote to memory of 320	1584	DO2IO4411BWDPDF.exe	33
PID 1584 wrote to memory of 320	1584	DO2IO4411BWDPDF.exe	33
PID 1584 wrote to memory of 320	1584	DO2IO4411BWDPDF.exe	33
PID 1584 wrote to memory of 320	1584	DO2IO4411BWDPDF.exe	33
PID 1584 wrote to memory of 2808	1584	DO2IO4411BWDPDF.exe	34
PID 1584 wrote to memory of 2808	1584	DO2IO4411BWDPDF.exe	34
PID 1584 wrote to memory of 2808	1584	DO2IO4411BWDPDF.exe	34
PID 1584 wrote to memory of 2808	1584	DO2IO4411BWDPDF.exe	34
PID 1584 wrote to memory of 2940	1584	DO2IO4411BWDPDF.exe	37
PID 1584 wrote to memory of 2940	1584	DO2IO4411BWDPDF.exe	37
PID 1584 wrote to memory of 2940	1584	DO2IO4411BWDPDF.exe	37
PID 1584 wrote to memory of 2940	1584	DO2IO4411BWDPDF.exe	37
PID 1584 wrote to memory of 2940	1584	DO2IO4411BWDPDF.exe	37
PID 1584 wrote to memory of 2940	1584	DO2IO4411BWDPDF.exe	37
PID 1584 wrote to memory of 2940	1584	DO2IO4411BWDPDF.exe	37
PID 1584 wrote to memory of 2940	1584	DO2IO4411BWDPDF.exe	37
PID 1584 wrote to memory of 2940	1584	DO2IO4411BWDPDF.exe	37
PID 1584 wrote to memory of 2940	1584	DO2IO4411BWDPDF.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\DO2IO4411BWDPDF.exe
"C:\Users\Admin\AppData\Local\Temp\DO2IO4411BWDPDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584
- 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\DO2IO4411BWDPDF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2132
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ceNjsakBzwrLn.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:320
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ceNjsakBzwrLn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpED7A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2808
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

tmpED7A.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpED7A.tmp
Size 1KB
SHA256 080374b8dd60e5e088c6bd8ad26159b5b879385f643bb11162b7093e7c6c0651
MD5 419d731373027780ff328852ea3701f4
SHA1 ddaf6fc8e564b6d671a130101d89342d1817597c
SHA512 3aad11c2ed364baad01d0ad19bdd30ffd31f1e00fdf0ec58440ba5d9380f331d496074f08a917d1141c27c0467e329a94ed549b8740085a0bc2b947a50ec702f
MD5 SHA1 SHA512

Submit Download

d93f411851d7c929.customDestinations-ms

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Size 7KB
SHA256 29791c7d5a267a0d38c24ff0df3ee46df1db7b50daeb5f8b69e49aa85ea3899b
MD5 9cb661bd6c06ddd4c272076bd6ca52dc
SHA1 6cecab7f6c262af939ab6a23fc8f2d3d990dab4f
SHA512 818c26e915cd313a3a031aec3cb8181b749de48b3eb481888a5eae3cf4f5bc7f228cbd9d4b447d740a5d1cce227472665296ae702230f02de282735aacfb5bd7
SSDEEP 96:ENUWwCJDM88nqvsqvJCwosNUWwCJDM88nqvsEHyqvJCworgjEkQHBD7gvXlUVz:gvDgUoovDgAHnorgzID7gvM
MD5 SHA1 SHA512 SSDEEP

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memory/1584-0-0x000000007426E000-0x000000007426F000-memory.dmp

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memory/1584-1-0x0000000000950000-0x00000000009F2000-memory.dmp

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memory/1584-2-0x0000000074260000-0x000000007494E000-memory.dmp

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memory/1584-3-0x00000000004E0000-0x00000000004F0000-memory.dmp

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memory/1584-4-0x000000007426E000-0x000000007426F000-memory.dmp

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memory/1584-5-0x0000000074260000-0x000000007494E000-memory.dmp

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memory/1584-6-0x0000000004E60000-0x0000000004EDE000-memory.dmp

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memory/1584-33-0x0000000074260000-0x000000007494E000-memory.dmp

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memory/2940-31-0x0000000000400000-0x0000000000437000-memory.dmp

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memory/2940-30-0x0000000000400000-0x0000000000437000-memory.dmp

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memory/2940-29-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/2940-27-0x0000000000400000-0x0000000000437000-memory.dmp

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memory/2940-25-0x0000000000400000-0x0000000000437000-memory.dmp

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memory/2940-23-0x0000000000400000-0x0000000000437000-memory.dmp

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memory/2940-21-0x0000000000400000-0x0000000000437000-memory.dmp

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memory/2940-19-0x0000000000400000-0x0000000000437000-memory.dmp

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memory/2940-32-0x0000000000970000-0x00000000009BE000-memory.dmp

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memory/2940-34-0x0000000000B00000-0x0000000000B4E000-memory.dmp

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