vipkeylogger | 200b44430ea0ef05c0a7162928602b95e4526633ab9f5bf79a8d41bf940a08d4

General

Target

Purchase Contract.exe
Size

834KB
MD5

10f72e53a2c9f106093c233b56a3a819
SHA1

e8a63836ff90493559b69a1bc6d6080ba9370a99
SHA256

84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2
SHA512

cd83c1b9c6128b852f36f97a387c4c89b781f0b0b52702540b12c5878129a0352c3edc2c12e2fb13e8f159256272338833715c3d78d98c4a195b8e50bd1ebce2
SSDEEP

24576:XsJN+UVsa/olYFjQyPIoqtpGFjcrpTZ6q6U7jbHXM:83+UfxFsyPIoqcETHFXX

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.htcp.homes
Port:
587
Username:
[email protected]
Password:
7213575aceACE@@
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

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
2236	powershell.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Contract.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Contract.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Contract.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1568 set thread context of 2740	1568	Purchase Contract.exe	35

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 4 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Contract.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Contract.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

pid	Process
2616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1568	Purchase Contract.exe
1568	Purchase Contract.exe
2740	Purchase Contract.exe
2236	powershell.exe
2740	Purchase Contract.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1568	Purchase Contract.exe
Token: SeDebugPrivilege	2740	Purchase Contract.exe
Token: SeDebugPrivilege	2236	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 2236	1568	Purchase Contract.exe	31
PID 1568 wrote to memory of 2236	1568	Purchase Contract.exe	31
PID 1568 wrote to memory of 2236	1568	Purchase Contract.exe	31
PID 1568 wrote to memory of 2236	1568	Purchase Contract.exe	31
PID 1568 wrote to memory of 2616	1568	Purchase Contract.exe	33
PID 1568 wrote to memory of 2616	1568	Purchase Contract.exe	33
PID 1568 wrote to memory of 2616	1568	Purchase Contract.exe	33
PID 1568 wrote to memory of 2616	1568	Purchase Contract.exe	33
PID 1568 wrote to memory of 2740	1568	Purchase Contract.exe	35
PID 1568 wrote to memory of 2740	1568	Purchase Contract.exe	35
PID 1568 wrote to memory of 2740	1568	Purchase Contract.exe	35
PID 1568 wrote to memory of 2740	1568	Purchase Contract.exe	35
PID 1568 wrote to memory of 2740	1568	Purchase Contract.exe	35
PID 1568 wrote to memory of 2740	1568	Purchase Contract.exe	35
PID 1568 wrote to memory of 2740	1568	Purchase Contract.exe	35
PID 1568 wrote to memory of 2740	1568	Purchase Contract.exe	35
PID 1568 wrote to memory of 2740	1568	Purchase Contract.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Contract.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Contract.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Contract.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Contract.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FzXKnGk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2236
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FzXKnGk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB78.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2616
- C:\Users\Admin\AppData\Local\Temp\Purchase Contract.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Contract.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:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEB78.tmp

Filesize
1KB

MD5
045b38a164fab07eaa08af53084ce98a

SHA1
a54fbd4ffb39a59481fda947a4a58dda8d4da56f

SHA256
a1df6b05aa64668d737a842ccfe07e943a031622939e0b42f81bfcc390ca1ce4

SHA512
58aeb9beaa59ffaaf500ea71104158f60669ccc015daa273977391e2473f4eb25f3f3404e50885ac59a2f635d1c5b35219a20a25a7b0272ab0951f388abe3cc7

Download Submit
memory/1568-24-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1568-1-0x0000000000320000-0x00000000003F6000-memory.dmp

Filesize
856KB

Download
memory/1568-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1568-3-0x0000000000590000-0x00000000005B6000-memory.dmp

Filesize
152KB

Download
memory/1568-4-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/1568-5-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1568-6-0x0000000000280000-0x000000000030E000-memory.dmp

Filesize
568KB

Download
memory/1568-0-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/2740-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2740-18-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2740-22-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2740-25-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2740-21-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2740-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-14-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2740-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads