vipkeylogger | c5b76fe73e687fb53adc1e5a6c3c8bee508645a8bcd1fc81e0b373bfd473f31e

Analysis

max time kernel
130s
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 12:02

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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
3512	powershell.exe
4020	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-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FAT67890000.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FAT67890000.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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
23	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

FAT67890000.exe

description	pid	Process	procid_target
PID 1760 set thread context of 5112	1760	FAT67890000.exe	104

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:

FAT67890000.exepowershell.exepowershell.exeschtasks.exeFAT67890000.exe

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

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
1876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

FAT67890000.exepowershell.exepowershell.exeFAT67890000.exe

pid	Process
1760	FAT67890000.exe
4020	powershell.exe
3512	powershell.exe
1760	FAT67890000.exe
5112	FAT67890000.exe
4020	powershell.exe
3512	powershell.exe
5112	FAT67890000.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

FAT67890000.exepowershell.exepowershell.exeFAT67890000.exe

description	pid	Process
Token: SeDebugPrivilege	1760	FAT67890000.exe
Token: SeDebugPrivilege	3512	powershell.exe
Token: SeDebugPrivilege	4020	powershell.exe
Token: SeDebugPrivilege	5112	FAT67890000.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

FAT67890000.exe

description	pid	Process	procid_target
PID 1760 wrote to memory of 3512	1760	FAT67890000.exe	98
PID 1760 wrote to memory of 3512	1760	FAT67890000.exe	98
PID 1760 wrote to memory of 3512	1760	FAT67890000.exe	98
PID 1760 wrote to memory of 4020	1760	FAT67890000.exe	100
PID 1760 wrote to memory of 4020	1760	FAT67890000.exe	100
PID 1760 wrote to memory of 4020	1760	FAT67890000.exe	100
PID 1760 wrote to memory of 1876	1760	FAT67890000.exe	102
PID 1760 wrote to memory of 1876	1760	FAT67890000.exe	102
PID 1760 wrote to memory of 1876	1760	FAT67890000.exe	102
PID 1760 wrote to memory of 5112	1760	FAT67890000.exe	104
PID 1760 wrote to memory of 5112	1760	FAT67890000.exe	104
PID 1760 wrote to memory of 5112	1760	FAT67890000.exe	104
PID 1760 wrote to memory of 5112	1760	FAT67890000.exe	104
PID 1760 wrote to memory of 5112	1760	FAT67890000.exe	104
PID 1760 wrote to memory of 5112	1760	FAT67890000.exe	104
PID 1760 wrote to memory of 5112	1760	FAT67890000.exe	104
PID 1760 wrote to memory of 5112	1760	FAT67890000.exe	104
PID 1760 wrote to memory of 5112	1760	FAT67890000.exe	104

outlook_office_path 1 IoCs

Processes:

FAT67890000.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\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:1760
- 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:3512
- 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:4020
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SZUzCEysgk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE57E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1876
- 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:5112

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\Temp\__PSScriptPolicyTest_3jw5tk31.h2n.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE57E.tmp

Filesize
1KB

MD5
f832e1d3d92bc99e821209c67c9637a7

SHA1
4b815a16e3708520398345475b3f634e199fbe26

SHA256
1a87978b34172506388d37d1eba2f50904b48d091a4848afdc0499228f3ab905

SHA512
aa1a8365469b819b1332cdcf632f82c423d65897e4d5f079f9606dcc0efdea375b59eb30ecb55b58f796fb9aff0f19f70b516df273893ac3f0e585b1ca49aa6b

Download Submit
memory/1760-8-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/1760-4-0x00000000061D0000-0x0000000006524000-memory.dmp

Filesize
3.3MB

Download
memory/1760-5-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-6-0x0000000005870000-0x000000000587A000-memory.dmp

Filesize
40KB

Download
memory/1760-7-0x0000000005BF0000-0x0000000005C08000-memory.dmp

Filesize
96KB

Download
memory/1760-3-0x0000000005670000-0x0000000005702000-memory.dmp

Filesize
584KB

Download
memory/1760-9-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-10-0x0000000008800000-0x000000000887E000-memory.dmp

Filesize
504KB

Download
memory/1760-11-0x000000000AFC0000-0x000000000B05C000-memory.dmp

Filesize
624KB

Download
memory/1760-51-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/1760-2-0x0000000005C20000-0x00000000061C4000-memory.dmp

Filesize
5.6MB

Download
memory/1760-1-0x0000000000B30000-0x0000000000BEE000-memory.dmp

Filesize
760KB

Download
memory/3512-18-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3512-89-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3512-85-0x0000000007D60000-0x0000000007D68000-memory.dmp

Filesize
32KB

Download
memory/3512-24-0x0000000006040000-0x00000000060A6000-memory.dmp

Filesize
408KB

Download
memory/3512-25-0x0000000006120000-0x0000000006186000-memory.dmp

Filesize
408KB

Download
memory/3512-83-0x0000000007C80000-0x0000000007C94000-memory.dmp

Filesize
80KB

Download
memory/3512-26-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3512-19-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3512-77-0x0000000008090000-0x000000000870A000-memory.dmp

Filesize
6.5MB

Download
memory/3512-78-0x0000000007A40000-0x0000000007A5A000-memory.dmp

Filesize
104KB

Download
memory/3512-17-0x0000000005800000-0x0000000005E28000-memory.dmp

Filesize
6.2MB

Download
memory/3512-65-0x0000000071000000-0x000000007104C000-memory.dmp

Filesize
304KB

Download
memory/3512-16-0x0000000002E30000-0x0000000002E66000-memory.dmp

Filesize
216KB

Download
memory/4020-66-0x00000000064F0000-0x000000000650E000-memory.dmp

Filesize
120KB

Download
memory/4020-22-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-53-0x0000000005FD0000-0x000000000601C000-memory.dmp

Filesize
304KB

Download
memory/4020-88-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-55-0x0000000071000000-0x000000007104C000-memory.dmp

Filesize
304KB

Download
memory/4020-54-0x0000000006ED0000-0x0000000006F02000-memory.dmp

Filesize
200KB

Download
memory/4020-20-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-76-0x0000000007110000-0x00000000071B3000-memory.dmp

Filesize
652KB

Download
memory/4020-52-0x0000000005F40000-0x0000000005F5E000-memory.dmp

Filesize
120KB

Download
memory/4020-84-0x00000000075A0000-0x00000000075BA000-memory.dmp

Filesize
104KB

Download
memory/4020-79-0x00000000072D0000-0x00000000072DA000-memory.dmp

Filesize
40KB

Download
memory/4020-80-0x00000000074E0000-0x0000000007576000-memory.dmp

Filesize
600KB

Download
memory/4020-81-0x0000000007460000-0x0000000007471000-memory.dmp

Filesize
68KB

Download
memory/4020-82-0x0000000007490000-0x000000000749E000-memory.dmp

Filesize
56KB

Download
memory/4020-23-0x0000000005170000-0x0000000005192000-memory.dmp

Filesize
136KB

Download
memory/5112-38-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/5112-37-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/5112-49-0x0000000002B70000-0x0000000002BC0000-memory.dmp

Filesize
320KB

Download
memory/5112-50-0x00000000051C0000-0x000000000520E000-memory.dmp

Filesize
312KB

Download
memory/5112-90-0x0000000006840000-0x0000000006A02000-memory.dmp

Filesize
1.8MB

Download
memory/5112-91-0x00000000066E0000-0x0000000006730000-memory.dmp

Filesize
320KB

Download