vipkeylogger | c5b76fe73e687fb53adc1e5a6c3c8bee508645a8bcd1fc81e0b373bfd473f31e

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 11:58

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General

Target

FAT67890000.exe
Size

734KB
MD5

6130fea8d605e639b6bbe21a0769a09a
SHA1

b5392133c960cad99cfa21c56d4b946022759466
SHA256

73298a0854979b419d3178e21ad507fe32df379d5d710426b40d67925d7b70bf
SHA512

d31dda1691fa55344cb4ee40378ac65b649da564fd4364854788a851b5a9e9fcc2c6e4b1e052c24b97df88b460fd92bc2c41a1dad450c960eaf7580320f9a80f
SSDEEP

12288:f2iNCd/06PkU8ymBkbSd292ovKHLoyuintyaYZ4DcZABzJNRXPW4Gsyo9e+sv+Ss:f1MdpRft9suig/4DiAZgTo9eOxj

Score

10^/10

vipkeylogger collection discovery 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 2 IoCs

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

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exe

pid	Process
4424	powershell.exe
2404	powershell.exe

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

Processes:

FAT67890000.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	FAT67890000.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

Processes:

FAT67890000.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FAT67890000.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FAT67890000.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FAT67890000.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
19	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

FAT67890000.exe

description	pid	Process	procid_target
PID 4544 set thread context of 2328	4544	FAT67890000.exe	102

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 5 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:

powershell.exeschtasks.exeFAT67890000.exeFAT67890000.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FAT67890000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FAT67890000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
2784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

FAT67890000.exepowershell.exepowershell.exeFAT67890000.exe

pid	Process
4544	FAT67890000.exe
4424	powershell.exe
2404	powershell.exe
4544	FAT67890000.exe
2404	powershell.exe
2328	FAT67890000.exe
4424	powershell.exe
2328	FAT67890000.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

FAT67890000.exepowershell.exepowershell.exeFAT67890000.exe

description	pid	Process
Token: SeDebugPrivilege	4544	FAT67890000.exe
Token: SeDebugPrivilege	2404	powershell.exe
Token: SeDebugPrivilege	4424	powershell.exe
Token: SeDebugPrivilege	2328	FAT67890000.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

FAT67890000.exe

description	pid	Process	procid_target
PID 4544 wrote to memory of 4424	4544	FAT67890000.exe	96
PID 4544 wrote to memory of 4424	4544	FAT67890000.exe	96
PID 4544 wrote to memory of 4424	4544	FAT67890000.exe	96
PID 4544 wrote to memory of 2404	4544	FAT67890000.exe	98
PID 4544 wrote to memory of 2404	4544	FAT67890000.exe	98
PID 4544 wrote to memory of 2404	4544	FAT67890000.exe	98
PID 4544 wrote to memory of 2784	4544	FAT67890000.exe	100
PID 4544 wrote to memory of 2784	4544	FAT67890000.exe	100
PID 4544 wrote to memory of 2784	4544	FAT67890000.exe	100
PID 4544 wrote to memory of 2328	4544	FAT67890000.exe	102
PID 4544 wrote to memory of 2328	4544	FAT67890000.exe	102
PID 4544 wrote to memory of 2328	4544	FAT67890000.exe	102
PID 4544 wrote to memory of 2328	4544	FAT67890000.exe	102
PID 4544 wrote to memory of 2328	4544	FAT67890000.exe	102
PID 4544 wrote to memory of 2328	4544	FAT67890000.exe	102
PID 4544 wrote to memory of 2328	4544	FAT67890000.exe	102
PID 4544 wrote to memory of 2328	4544	FAT67890000.exe	102
PID 4544 wrote to memory of 2328	4544	FAT67890000.exe	102

outlook_office_path 1 IoCs

Processes:

FAT67890000.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FAT67890000.exe

outlook_win_path 1 IoCs

Processes:

FAT67890000.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FAT67890000.exe

C:\Users\Admin\AppData\Local\Temp\FAT67890000.exe
"C:\Users\Admin\AppData\Local\Temp\FAT67890000.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4544
- 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\FAT67890000.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4424
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SZUzCEysgk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2404
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SZUzCEysgk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB98.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2784
- C:\Users\Admin\AppData\Local\Temp\FAT67890000.exe
  "C:\Users\Admin\AppData\Local\Temp\FAT67890000.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:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FAT67890000.exe.log

Filesize
1KB

MD5
b7b9acb869ccc7f7ecb5304ec0384dee

SHA1
6a90751c95817903ee833d59a0abbef425a613b3

SHA256
8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

SHA512
7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
98ea266cd271f46f0442f59a2e962e37

SHA1
fca8c97a30ce1a26bb2654e3c85afe73b4556531

SHA256
fc695bbc2ae9f63d97c5858d6b207ed4fee105546b25a7aebe4abb2aeeddf7e8

SHA512
472faeebc269ab6b92ffda6fd1a4425a9612a5f424b742ece3c750ad7a096cf3462e631f3290b03827796ec57eee5027d437924b1f3f2830f37600527ef8b5b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ajl1o2j.1n5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEB98.tmp

Filesize
1KB

MD5
14d213cbd7ecadf8c736768842dbfb33

SHA1
6ddb02290746808dd700ad737fb79b41dcee0cbe

SHA256
7fc796e27f209ce9535498787197e3c37ca8d6abee805b3adbf7dc6ab22546bf

SHA512
38505f48ce641c1be2ad5ac7be6b559161e4b19d06d991bf6afb1ac15cf038548790f1cb4bf2ce74904a013c3076f93e60eb0cba945ad0c25e7e9a9b85b47437

Download Submit
memory/2328-43-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2328-51-0x0000000005850000-0x000000000589E000-memory.dmp

Filesize
312KB

Download
memory/2328-94-0x0000000006D50000-0x0000000006DA0000-memory.dmp

Filesize
320KB

Download
memory/2328-38-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2328-93-0x0000000006EC0000-0x0000000007082000-memory.dmp

Filesize
1.8MB

Download
memory/2328-50-0x0000000003250000-0x00000000032A0000-memory.dmp

Filesize
320KB

Download
memory/2404-52-0x0000000005EB0000-0x0000000005ECE000-memory.dmp

Filesize
120KB

Download
memory/2404-92-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2404-53-0x0000000005F50000-0x0000000005F9C000-memory.dmp

Filesize
304KB

Download
memory/2404-75-0x0000000006E80000-0x0000000006E9E000-memory.dmp

Filesize
120KB

Download
memory/2404-24-0x0000000004F90000-0x0000000004FF6000-memory.dmp

Filesize
408KB

Download
memory/2404-20-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2404-54-0x0000000006490000-0x00000000064C2000-memory.dmp

Filesize
200KB

Download
memory/2404-25-0x0000000005000000-0x0000000005066000-memory.dmp

Filesize
408KB

Download
memory/2404-35-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/2404-56-0x0000000071100000-0x000000007114C000-memory.dmp

Filesize
304KB

Download
memory/2404-76-0x0000000006EB0000-0x0000000006F53000-memory.dmp

Filesize
652KB

Download
memory/4424-17-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/4424-85-0x0000000007F80000-0x0000000007F88000-memory.dmp

Filesize
32KB

Download
memory/4424-23-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/4424-19-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/4424-18-0x0000000005B60000-0x0000000006188000-memory.dmp

Filesize
6.2MB

Download
memory/4424-91-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/4424-16-0x0000000003020000-0x0000000003056000-memory.dmp

Filesize
216KB

Download
memory/4424-84-0x0000000007FA0000-0x0000000007FBA000-memory.dmp

Filesize
104KB

Download
memory/4424-22-0x00000000059F0000-0x0000000005A12000-memory.dmp

Filesize
136KB

Download
memory/4424-83-0x0000000007EA0000-0x0000000007EB4000-memory.dmp

Filesize
80KB

Download
memory/4424-82-0x0000000007E90000-0x0000000007E9E000-memory.dmp

Filesize
56KB

Download
memory/4424-81-0x0000000007E60000-0x0000000007E71000-memory.dmp

Filesize
68KB

Download
memory/4424-80-0x0000000007EE0000-0x0000000007F76000-memory.dmp

Filesize
600KB

Download
memory/4424-79-0x0000000007CD0000-0x0000000007CDA000-memory.dmp

Filesize
40KB

Download
memory/4424-55-0x0000000071100000-0x000000007114C000-memory.dmp

Filesize
304KB

Download
memory/4424-78-0x0000000007C60000-0x0000000007C7A000-memory.dmp

Filesize
104KB

Download
memory/4424-77-0x00000000082B0000-0x000000000892A000-memory.dmp

Filesize
6.5MB

Download
memory/4544-48-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/4544-7-0x0000000006AE0000-0x0000000006AF8000-memory.dmp

Filesize
96KB

Download
memory/4544-8-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/4544-9-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/4544-10-0x00000000083A0000-0x000000000841E000-memory.dmp

Filesize
504KB

Download
memory/4544-11-0x000000000ABA0000-0x000000000AC3C000-memory.dmp

Filesize
624KB

Download
memory/4544-6-0x0000000005760000-0x000000000576A000-memory.dmp

Filesize
40KB

Download
memory/4544-5-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/4544-4-0x0000000005200000-0x0000000005554000-memory.dmp

Filesize
3.3MB

Download
memory/4544-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/4544-3-0x0000000005130000-0x00000000051C2000-memory.dmp

Filesize
584KB

Download
memory/4544-2-0x00000000057B0000-0x0000000005D54000-memory.dmp

Filesize
5.6MB

Download
memory/4544-1-0x00000000007E0000-0x000000000089E000-memory.dmp

Filesize
760KB

Download