vipkeylogger | dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531

General

Target

Teklif_PDF.exe
Size

901KB
MD5

fe3c062c09ea9fc35048f708cb95ecb1
SHA1

118dbd2be3e9033b57282cb1c3e188d3c3141364
SHA256

dda809f369a6369d2d26e75ff6cf321d2fe052f3eb0074f227065906bb2af531
SHA512

80eec66e3e4beb210f7e94a4ffcb82f37a1d3ff07e7bd4599676233ed3585e2d51b81359e3f40f55bb7009bde5e9f3cd31624ba0a8f8645f8e31d4de5ebdefad
SSDEEP

12288:GSpgdcAijOeKiMd3CRKoeSW/Z24gvar6iUUJGl3HxIE:GAAMKiO3y98EoLJGJF

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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3032	powershell.exe
1488	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Teklif_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Teklif_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Teklif_PDF.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 2752	2496	Teklif_PDF.exe	36

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

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

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
2724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2496	Teklif_PDF.exe
2496	Teklif_PDF.exe
2752	Teklif_PDF.exe
3032	powershell.exe
1488	powershell.exe
2752	Teklif_PDF.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	Teklif_PDF.exe
Token: SeDebugPrivilege	2752	Teklif_PDF.exe
Token: SeDebugPrivilege	3032	powershell.exe
Token: SeDebugPrivilege	1488	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 3032	2496	Teklif_PDF.exe	30
PID 2496 wrote to memory of 3032	2496	Teklif_PDF.exe	30
PID 2496 wrote to memory of 3032	2496	Teklif_PDF.exe	30
PID 2496 wrote to memory of 3032	2496	Teklif_PDF.exe	30
PID 2496 wrote to memory of 1488	2496	Teklif_PDF.exe	32
PID 2496 wrote to memory of 1488	2496	Teklif_PDF.exe	32
PID 2496 wrote to memory of 1488	2496	Teklif_PDF.exe	32
PID 2496 wrote to memory of 1488	2496	Teklif_PDF.exe	32
PID 2496 wrote to memory of 2724	2496	Teklif_PDF.exe	33
PID 2496 wrote to memory of 2724	2496	Teklif_PDF.exe	33
PID 2496 wrote to memory of 2724	2496	Teklif_PDF.exe	33
PID 2496 wrote to memory of 2724	2496	Teklif_PDF.exe	33
PID 2496 wrote to memory of 2752	2496	Teklif_PDF.exe	36
PID 2496 wrote to memory of 2752	2496	Teklif_PDF.exe	36
PID 2496 wrote to memory of 2752	2496	Teklif_PDF.exe	36
PID 2496 wrote to memory of 2752	2496	Teklif_PDF.exe	36
PID 2496 wrote to memory of 2752	2496	Teklif_PDF.exe	36
PID 2496 wrote to memory of 2752	2496	Teklif_PDF.exe	36
PID 2496 wrote to memory of 2752	2496	Teklif_PDF.exe	36
PID 2496 wrote to memory of 2752	2496	Teklif_PDF.exe	36
PID 2496 wrote to memory of 2752	2496	Teklif_PDF.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Teklif_PDF.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Teklif_PDF.exe

C:\Users\Admin\AppData\Local\Temp\Teklif_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Teklif_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496
- 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\Teklif_PDF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3032
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lFUADIVKfDRpV.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1488
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lFUADIVKfDRpV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC1D9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2724
- C:\Users\Admin\AppData\Local\Temp\Teklif_PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Teklif_PDF.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:2752

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\tmpC1D9.tmp

Filesize
1KB

MD5
7dfca709cbe9170e6149fc579c2198a1

SHA1
24fe1474df9b3aa964ad34adc0c821ca431f54ba

SHA256
0dfa6bb6b4c6b7dcdf94d50c94fb7c9345df63d2dfb344cf0a5b28b9a4433954

SHA512
ac55595ec215c22ec93939bebb69623b82f7b44307d129e537c44ded705754e8d9211152553e604f8e159f87746fc1c08bea6d316e4767b4eb2461bce578e5d2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\UZXEG0CN7BIOTH8I7ISK.temp

Filesize
7KB

MD5
967330aade51407d9a618a9fd33e11e5

SHA1
31546145b2069e079df43b39093b1884bd7f0dcd

SHA256
857d69477b08236222430b777fc5466195914160817cbf5b25f5c947d6bd32c4

SHA512
569a4f57c9061311780c93a0e1e8f52c95b951f2d23c1c6989510c72dfb00c4dccdbbe0820376e7ff40df54760b362b68fd28e9bc13a03046b210e7eaa1cc888

Download Submit
memory/2496-4-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/2496-32-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2496-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/2496-5-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2496-6-0x0000000004FA0000-0x000000000502E000-memory.dmp

Filesize
568KB

Download
memory/2496-2-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2496-1-0x0000000001280000-0x0000000001366000-memory.dmp

Filesize
920KB

Download
memory/2496-3-0x0000000000690000-0x00000000006AC000-memory.dmp

Filesize
112KB

Download
memory/2752-28-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2752-31-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2752-23-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2752-21-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2752-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-25-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2752-19-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2752-29-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads