vipkeylogger | 6c9e54f7f42bd5c8c7e8dc0c34ba0961d95513db27c854ce83e8206d6f4c1b9b

General

Target

tmp1u2e_efl.exe
Size

803KB
MD5

4123e0b7da19f26d9e99e29e7a618911
SHA1

430b1daf4bb38220b3dc85a1b34c0b1b532a1f01
SHA256

6c9e54f7f42bd5c8c7e8dc0c34ba0961d95513db27c854ce83e8206d6f4c1b9b
SHA512

c5b588612b4d58231e74b10fb2bdf1369aa03752333950ef8b61a43f2e2b64bed8da52a1ec68c63030a6f3686a21c43eccb0562d873fa05e6780d24242f58aa8
SSDEEP

24576:61MqxjvCNra98jjW4wYOI5fHsAbXWgaoOz:6mqIMQDjOCTWg

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.hgdijitalbaski.com
Port:
587
Username:
[email protected]
Password:
05310325799habil
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

Processes:

powershell.exe

pid	Process
2816	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

Processes:

tmp1u2e_efl.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp1u2e_efl.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp1u2e_efl.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp1u2e_efl.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp1u2e_efl.exe

description	pid	Process	procid_target
PID 2876 set thread context of 2724	2876	tmp1u2e_efl.exe	32

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

Processes:

tmp1u2e_efl.exetmp1u2e_efl.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp1u2e_efl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp1u2e_efl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

tmp1u2e_efl.exetmp1u2e_efl.exepowershell.exe

pid	Process
2876	tmp1u2e_efl.exe
2876	tmp1u2e_efl.exe
2724	tmp1u2e_efl.exe
2816	powershell.exe
2724	tmp1u2e_efl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp1u2e_efl.exetmp1u2e_efl.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2876	tmp1u2e_efl.exe
Token: SeDebugPrivilege	2724	tmp1u2e_efl.exe
Token: SeDebugPrivilege	2816	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

tmp1u2e_efl.exe

description	pid	Process	procid_target
PID 2876 wrote to memory of 2816	2876	tmp1u2e_efl.exe	30
PID 2876 wrote to memory of 2816	2876	tmp1u2e_efl.exe	30
PID 2876 wrote to memory of 2816	2876	tmp1u2e_efl.exe	30
PID 2876 wrote to memory of 2816	2876	tmp1u2e_efl.exe	30
PID 2876 wrote to memory of 2724	2876	tmp1u2e_efl.exe	32
PID 2876 wrote to memory of 2724	2876	tmp1u2e_efl.exe	32
PID 2876 wrote to memory of 2724	2876	tmp1u2e_efl.exe	32
PID 2876 wrote to memory of 2724	2876	tmp1u2e_efl.exe	32
PID 2876 wrote to memory of 2724	2876	tmp1u2e_efl.exe	32
PID 2876 wrote to memory of 2724	2876	tmp1u2e_efl.exe	32
PID 2876 wrote to memory of 2724	2876	tmp1u2e_efl.exe	32
PID 2876 wrote to memory of 2724	2876	tmp1u2e_efl.exe	32
PID 2876 wrote to memory of 2724	2876	tmp1u2e_efl.exe	32

outlook_office_path 1 IoCs

Processes:

tmp1u2e_efl.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp1u2e_efl.exe

outlook_win_path 1 IoCs

Processes:

tmp1u2e_efl.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp1u2e_efl.exe

C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
"C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876
- 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\tmp1u2e_efl.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2816
- C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp1u2e_efl.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:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

memory/2724-10-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2724-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-18-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2724-24-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2724-15-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2724-20-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2724-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2724-13-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2724-25-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2724-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2724-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2724-19-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-5-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-23-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-6-0x00000000061E0000-0x000000000626E000-memory.dmp

Filesize
568KB

Download
memory/2876-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2876-1-0x0000000000CB0000-0x0000000000D80000-memory.dmp

Filesize
832KB

Download
memory/2876-4-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

Filesize
4KB

Download
memory/2876-3-0x0000000000920000-0x0000000000938000-memory.dmp

Filesize
96KB

Download
memory/2876-2-0x0000000074CC0000-0x00000000753AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads