vipkeylogger | 037289c207c8e229d728f247c2d7eb1459fb4413fcd4fe662f74c711169a1e08

Analysis

max time kernel
56s
max time network
64s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
20/03/2025, 20:09

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General

Target

void/469a30082aeff1c7367a5c98d83d4230947500771e86738903a026859f870f1b.ps1
Size

951B
MD5

991bfc052219f7e9b6e77e2268c08947
SHA1

c6e8df55948ed92caa0401c28dfeb474c02136ef
SHA256

469a30082aeff1c7367a5c98d83d4230947500771e86738903a026859f870f1b
SHA512

bf7a963c06de9f3f66eb568f94bdeda1ea0236c39d8db768e7ecb942018fc1d7effc42295acebb114b7f40bdae5d72756eb1413d7221577bf202051fb7123fd4

Score

10^/10

vipkeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Acess2code

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Acess2code
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 1 IoCs

flow	pid	Process
1	4188	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
1	4188	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
3964	cosse.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
20	checkip.dyndns.org
23	reallyfreegeoip.org
24	reallyfreegeoip.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral12/files/0x0009000000024243-31.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3964 set thread context of 2712	3964	cosse.exe	91

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4188	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	cosse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4188	powershell.exe
4188	powershell.exe
2712	RegSvcs.exe
2712	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3964	cosse.exe
3964	cosse.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4188	powershell.exe
Token: SeDebugPrivilege	2712	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3964	cosse.exe
3964	cosse.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3964	cosse.exe
3964	cosse.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 2156	4188	powershell.exe	88
PID 4188 wrote to memory of 2156	4188	powershell.exe	88
PID 2156 wrote to memory of 4964	2156	csc.exe	89
PID 2156 wrote to memory of 4964	2156	csc.exe	89
PID 4188 wrote to memory of 3964	4188	powershell.exe	90
PID 4188 wrote to memory of 3964	4188	powershell.exe	90
PID 4188 wrote to memory of 3964	4188	powershell.exe	90
PID 3964 wrote to memory of 2712	3964	cosse.exe	91
PID 3964 wrote to memory of 2712	3964	cosse.exe	91
PID 3964 wrote to memory of 2712	3964	cosse.exe	91
PID 3964 wrote to memory of 2712	3964	cosse.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3920955164-3782810283-1225622749-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\void\469a30082aeff1c7367a5c98d83d4230947500771e86738903a026859f870f1b.ps1
1⤵
- Blocklisted process makes network request
- Downloads MZ/PE file
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4188
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\ffzr3t3l\ffzr3t3l.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES5A36.tmp" "c:\Users\Admin\AppData\Local\Temp\ffzr3t3l\CSC6EA734BDB0FA4BED80306C46AAE04268.TMP"
    3⤵
    PID:4964
- C:\Users\Admin\AppData\Roaming\cosse.exe
  "C:\Users\Admin\AppData\Roaming\cosse.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3964
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Roaming\cosse.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2712

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

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

C:\Users\Admin\AppData\Local\Temp\RES5A36.tmp

Filesize
1KB

MD5
fc4eac089e685cf8f332d0a5736c1aa8

SHA1
239acb3b24d429d0a49295fbb5b9637e4474e20c

SHA256
49cf160b632b7ef8b62b0f55c8ea8e3b8ab525d614723d9e8a02ad33f932d480

SHA512
5ac6941c5bd5c416407820e6377120e9da1b9e30e28d0606779e4a033d25ee3eefad768afb65ea871286e8d3cb5d19e35103f43110a261478f34f5d96dbabc6e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rrldc0f4.jy0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\ffzr3t3l\ffzr3t3l.dll

Filesize
3KB

MD5
694fde19350d244022c26eb84cb8a63f

SHA1
e27db75d85c2c506c318dba315342b99d7541b8e

SHA256
8b4332276802ec1e2a191ea5f64344c1be612096409d295f71d5c31baf08fd9f

SHA512
4f13fc093adca5ec8bd82b81597ea0f4f70cce106fdbd8ebcc6b84788431b42cd54651fdbed4454574582f1eb688c342b4087aea20f020fab23d6805e93bd5db

Download Submit
C:\Users\Admin\AppData\Roaming\cosse.exe

Filesize
1020KB

MD5
4397e5bc5bc3c6d79b917b17e8b122f3

SHA1
007b6e094526fb0bb0978672ff50024e1cc635fc

SHA256
63cae99ed47a3a8ad4fcf212d71c0700f5f99390f188ab2c45e17d1c4618ff04

SHA512
fd7dca44dbd973cff67d1a0cc2a80fbe2857d464d9c0d44988225c0104bce8b4b33ee01201ae3b91fecf07b2c5bef118b2a61514904b73272a5de4fa54ade386

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\ffzr3t3l\CSC6EA734BDB0FA4BED80306C46AAE04268.TMP

Filesize
652B

MD5
ca184ac48d5e2610e837c7ed0f5f5d2d

SHA1
0b8df9f285d50f7c76b63a14fb3ab0bc6506dbe5

SHA256
6fa0cb449d05dbd7d2a80c99731cf4f4251671b944f50ae5571686cc91f7ccbd

SHA512
2b182c66bf459ab8d463a466dba266b10191538175083a8466b314c57f93b709daf86513bceec676ddaac4ad49039d646d2ef49554face075e9b7a6e51f61007

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\ffzr3t3l\ffzr3t3l.0.cs

Filesize
470B

MD5
fc199e95b98fd2bef9dc8c75ac49fd5c

SHA1
389c49f099b5da6b47d07e9de292d553c6713f83

SHA256
c443f29fb2f6d18f4cb0813c178248952b8856a8e27a157ce046e7eecd99604f

SHA512
07b4af2f464e011646d0deb2bd1639cc0ade38b507b84230ee3d4863416a6a9c9d9e6678a438ae203bd534adbe1160198c6575d87f8a88ce440aefd1d018d7ba

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\ffzr3t3l\ffzr3t3l.cmdline

Filesize
369B

MD5
fcee676ac60c6af506a086ce3e133435

SHA1
f677ba1b00520ae1ec49b9d228f30740e625852b

SHA256
9785b3f3785c6afc8fa1d2fdfe6c1ba733712891d7bec9db37bbd715f6c8afcf

SHA512
25ac07c044afcef2a28ee5e2fe436198c07c7ce905a60691d3c0b58e977d2274342c89fe335d5929a4aef33e2b2651170d0a2aa8a4a61b21570477cd0cd15014

Download Submit
memory/2712-52-0x0000000004D30000-0x0000000004DCC000-memory.dmp

Filesize
624KB

Download
memory/2712-57-0x0000000006490000-0x000000000649A000-memory.dmp

Filesize
40KB

Download
memory/2712-56-0x00000000064F0000-0x0000000006582000-memory.dmp

Filesize
584KB

Download
memory/2712-55-0x0000000006980000-0x0000000006EAC000-memory.dmp

Filesize
5.2MB

Download
memory/2712-54-0x0000000006010000-0x0000000006060000-memory.dmp

Filesize
320KB

Download
memory/2712-53-0x0000000006180000-0x0000000006342000-memory.dmp

Filesize
1.8MB

Download
memory/2712-50-0x0000000000370000-0x00000000003BA000-memory.dmp

Filesize
296KB

Download
memory/2712-51-0x0000000005240000-0x00000000057E4000-memory.dmp

Filesize
5.6MB

Download
memory/4188-14-0x00007FFBD7090000-0x00007FFBD7B51000-memory.dmp

Filesize
10.8MB

Download
memory/4188-42-0x00007FFBD7090000-0x00007FFBD7B51000-memory.dmp

Filesize
10.8MB

Download
memory/4188-1-0x0000023DEC3F0000-0x0000023DEC412000-memory.dmp

Filesize
136KB

Download
memory/4188-11-0x00007FFBD7090000-0x00007FFBD7B51000-memory.dmp

Filesize
10.8MB

Download
memory/4188-25-0x0000023DD1550000-0x0000023DD1558000-memory.dmp

Filesize
32KB

Download
memory/4188-0-0x00007FFBD7093000-0x00007FFBD7095000-memory.dmp

Filesize
8KB

Download