vipkeylogger | 643bad4b8c1ea719d13aab26abb093c5dba260a2803b2403ef8310e6e9c09c13

General

Target

DHL- CBJ520818836689.pdf.bat.exe
Size

910KB
MD5

a98de8b5c59ed89c8a9d8b57b579bb89
SHA1

bba4c3c658be2995b52c4561a032cd12de5cf3a9
SHA256

643bad4b8c1ea719d13aab26abb093c5dba260a2803b2403ef8310e6e9c09c13
SHA512

07ac5792b03b14142ff4918444d70eddb6d887f278f1b188bb4770b21a6d685b8e3fbc04042c557099e4e9cb9ea5aab1aaea76b333492bae23eac790bb3e5242
SSDEEP

12288:QNLMj6YeXY/e1O0qHnd8Jml7ApFeFKFCYu7OMiqhA1DZUz/whvhNBGv+7yxxNKLR:Ao0q685Y6kyOMiqAewO1DKLRYI

Score

10^/10

vipkeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7649026968:AAH75HT18WhN7hgOztGp3nInPClk-j5c1Yw/sendMessage?chat_id=1128973051

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
2972	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
9	reallyfreegeoip.org
4	checkip.dyndns.org
8	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2404 set thread context of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DHL- CBJ520818836689.pdf.bat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2404	DHL- CBJ520818836689.pdf.bat.exe
2404	DHL- CBJ520818836689.pdf.bat.exe
2404	DHL- CBJ520818836689.pdf.bat.exe
2404	DHL- CBJ520818836689.pdf.bat.exe
2812	RegSvcs.exe
2972	powershell.exe
2812	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	DHL- CBJ520818836689.pdf.bat.exe
Token: SeDebugPrivilege	2812	RegSvcs.exe
Token: SeDebugPrivilege	2972	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2972	2404	DHL- CBJ520818836689.pdf.bat.exe	31
PID 2404 wrote to memory of 2972	2404	DHL- CBJ520818836689.pdf.bat.exe	31
PID 2404 wrote to memory of 2972	2404	DHL- CBJ520818836689.pdf.bat.exe	31
PID 2404 wrote to memory of 2972	2404	DHL- CBJ520818836689.pdf.bat.exe	31
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33
PID 2404 wrote to memory of 2812	2404	DHL- CBJ520818836689.pdf.bat.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DHL- CBJ520818836689.pdf.bat.exe
"C:\Users\Admin\AppData\Local\Temp\DHL- CBJ520818836689.pdf.bat.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404
- 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\DHL- CBJ520818836689.pdf.bat.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2972
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2812

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

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

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2404-0-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2404-1-0x0000000000960000-0x0000000000A46000-memory.dmp

Filesize
920KB

Download
memory/2404-2-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2404-3-0x00000000007E0000-0x00000000007F8000-memory.dmp

Filesize
96KB

Download
memory/2404-4-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2404-5-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2404-6-0x0000000005F10000-0x0000000005F9E000-memory.dmp

Filesize
568KB

Download
memory/2404-23-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-19-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-17-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-13-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2812-22-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

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