vipkeylogger | 525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 07:26

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General

Target

pre-stowage.PDF.scr.exe
Size

886KB
MD5

68dfd91fce9ad3d728a7c25716990edd
SHA1

6a6843531a77b77892813360b3daf0b0bbfea8c2
SHA256

525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58
SHA512

cb16e579c818d63d4be0798211ef3d4f36728804280920d4508366d5a65c2c6c237452fc7cce112c8baba49f481b89c132e9accee541eab26424bfd80df63049
SSDEEP

12288:GqktMolx2euSXxT4lfsvAt75PAXfZ0mA4t3Rx5Z5MpaXv0cWP2vMPku+l0CPP:gtZPpXStlaRNJJRb8pqvmPd+p

Score

10^/10

vipkeylogger collection discovery evasion execution keylogger spyware stealer

Malware Config

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
8	powershell.exe

Disables Task Manager via registry modification
evasion

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	pre-stowage.PDF.scr.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pre-stowage.PDF.scr.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pre-stowage.PDF.scr.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pre-stowage.PDF.scr.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
18	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4744 set thread context of 756	4744	pre-stowage.PDF.scr.exe	89

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 3 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	pre-stowage.PDF.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pre-stowage.PDF.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
756	pre-stowage.PDF.scr.exe
8	powershell.exe
8	powershell.exe
756	pre-stowage.PDF.scr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	pre-stowage.PDF.scr.exe
Token: SeDebugPrivilege	8	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 8	4744	pre-stowage.PDF.scr.exe	87
PID 4744 wrote to memory of 8	4744	pre-stowage.PDF.scr.exe	87
PID 4744 wrote to memory of 8	4744	pre-stowage.PDF.scr.exe	87
PID 4744 wrote to memory of 756	4744	pre-stowage.PDF.scr.exe	89
PID 4744 wrote to memory of 756	4744	pre-stowage.PDF.scr.exe	89
PID 4744 wrote to memory of 756	4744	pre-stowage.PDF.scr.exe	89
PID 4744 wrote to memory of 756	4744	pre-stowage.PDF.scr.exe	89
PID 4744 wrote to memory of 756	4744	pre-stowage.PDF.scr.exe	89
PID 4744 wrote to memory of 756	4744	pre-stowage.PDF.scr.exe	89
PID 4744 wrote to memory of 756	4744	pre-stowage.PDF.scr.exe	89
PID 4744 wrote to memory of 756	4744	pre-stowage.PDF.scr.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pre-stowage.PDF.scr.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pre-stowage.PDF.scr.exe

C:\Users\Admin\AppData\Local\Temp\pre-stowage.PDF.scr.exe
"C:\Users\Admin\AppData\Local\Temp\pre-stowage.PDF.scr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\pre-stowage.PDF.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:8
- C:\Users\Admin\AppData\Local\Temp\pre-stowage.PDF.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\pre-stowage.PDF.scr.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:756

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yn3dkxma.kq5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/8-51-0x0000000007910000-0x000000000792A000-memory.dmp

Filesize
104KB

Download
memory/8-49-0x00000000077D0000-0x0000000007873000-memory.dmp

Filesize
652KB

Download
memory/8-61-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/8-24-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/8-58-0x0000000007C30000-0x0000000007C38000-memory.dmp

Filesize
32KB

Download
memory/8-57-0x0000000007C50000-0x0000000007C6A000-memory.dmp

Filesize
104KB

Download
memory/8-56-0x0000000007B50000-0x0000000007B64000-memory.dmp

Filesize
80KB

Download
memory/8-55-0x0000000007B40000-0x0000000007B4E000-memory.dmp

Filesize
56KB

Download
memory/8-54-0x0000000007B10000-0x0000000007B21000-memory.dmp

Filesize
68KB

Download
memory/8-53-0x0000000007B90000-0x0000000007C26000-memory.dmp

Filesize
600KB

Download
memory/8-23-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Filesize
408KB

Download
memory/8-52-0x0000000007980000-0x000000000798A000-memory.dmp

Filesize
40KB

Download
memory/8-50-0x0000000007F50000-0x00000000085CA000-memory.dmp

Filesize
6.5MB

Download
memory/8-35-0x0000000006620000-0x000000000663E000-memory.dmp

Filesize
120KB

Download
memory/8-16-0x0000000004FE0000-0x0000000005016000-memory.dmp

Filesize
216KB

Download
memory/8-17-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/8-19-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/8-18-0x0000000005790000-0x0000000005DB8000-memory.dmp

Filesize
6.2MB

Download
memory/8-20-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/8-48-0x0000000006B90000-0x0000000006BAE000-memory.dmp

Filesize
120KB

Download
memory/8-38-0x0000000070090000-0x00000000700DC000-memory.dmp

Filesize
304KB

Download
memory/8-37-0x0000000006BE0000-0x0000000006C12000-memory.dmp

Filesize
200KB

Download
memory/8-36-0x00000000066B0000-0x00000000066FC000-memory.dmp

Filesize
304KB

Download
memory/8-22-0x00000000055F0000-0x0000000005612000-memory.dmp

Filesize
136KB

Download
memory/8-30-0x0000000006000000-0x0000000006354000-memory.dmp

Filesize
3.3MB

Download
memory/756-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/756-14-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/756-64-0x00000000063E0000-0x0000000006430000-memory.dmp

Filesize
320KB

Download
memory/756-63-0x00000000066A0000-0x0000000006862000-memory.dmp

Filesize
1.8MB

Download
memory/756-21-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/756-62-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/4744-10-0x0000000002CE0000-0x0000000002D6E000-memory.dmp

Filesize
568KB

Download
memory/4744-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/4744-2-0x0000000005AE0000-0x0000000006084000-memory.dmp

Filesize
5.6MB

Download
memory/4744-1-0x0000000000970000-0x0000000000A54000-memory.dmp

Filesize
912KB

Download
memory/4744-9-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/4744-8-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/4744-7-0x0000000006EF0000-0x0000000006F16000-memory.dmp

Filesize
152KB

Download
memory/4744-6-0x00000000056A0000-0x00000000056AA000-memory.dmp

Filesize
40KB

Download
memory/4744-5-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/4744-3-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/4744-15-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/4744-11-0x000000000DC20000-0x000000000DCBC000-memory.dmp

Filesize
624KB

Download
memory/4744-4-0x0000000005710000-0x0000000005A64000-memory.dmp

Filesize
3.3MB

Download