masslogger | 8eb48dc7cab80734e38199367de43421aebe7c92e036e056c9f7ce69378eef43

General

Target

ttttttt.exe
Size

1.3MB
MD5

5871c56853982658b13619b6beae47da
SHA1

f2dbb57a824853f48a6b16797e9682b328078b93
SHA256

296b2d6c24dd68f7a59ea4388d979bba6572c288ab891cd35ec81e56c602318d
SHA512

5cc16a8c7a76320927f3818845929fe42583a0f6151144e81d2a6afb0d86a6ea3c65efaa6efd54f6b5f40dd5f1d33bf0638089516d75c2819cb8ae4c7606edd1

Score

10^/10

masslogger spyware stealer

Malware Config

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4240-134-0x0000000000BC0000-0x0000000000C68000-memory.dmp	family_masslogger
behavioral2/memory/4240-133-0x0000000000BC0000-0x0000000000C68000-memory.dmp	family_masslogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tttttttttt.vbs	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 4240	2192	ttttttt.exe	83

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2192	ttttttt.exe
2192	ttttttt.exe
4436	powershell.exe
4436	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2192	ttttttt.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4436	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 4400	2192	ttttttt.exe	82
PID 2192 wrote to memory of 4400	2192	ttttttt.exe	82
PID 2192 wrote to memory of 4400	2192	ttttttt.exe	82
PID 2192 wrote to memory of 4400	2192	ttttttt.exe	82
PID 2192 wrote to memory of 4400	2192	ttttttt.exe	82
PID 2192 wrote to memory of 4240	2192	ttttttt.exe	83
PID 2192 wrote to memory of 4240	2192	ttttttt.exe	83
PID 2192 wrote to memory of 4240	2192	ttttttt.exe	83
PID 4240 wrote to memory of 176	4240	ttttttt.exe	90
PID 4240 wrote to memory of 176	4240	ttttttt.exe	90
PID 4240 wrote to memory of 176	4240	ttttttt.exe	90
PID 176 wrote to memory of 4436	176	cmd.exe	92
PID 176 wrote to memory of 4436	176	cmd.exe	92
PID 176 wrote to memory of 4436	176	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\ttttttt.exe
"C:\Users\Admin\AppData\Local\Temp\ttttttt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - Drops startup file
  PID:4400
- C:\Users\Admin\AppData\Local\Temp\ttttttt.exe
  "C:\Users\Admin\AppData\Local\Temp\ttttttt.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4240
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\ttttttt.exe' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:176
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\ttttttt.exe'
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4436

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
1⤵
PID:4600

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2192-130-0x0000000002450000-0x000000000245A000-memory.dmp

Filesize
40KB

Download
memory/4240-134-0x0000000000BC0000-0x0000000000C68000-memory.dmp

Filesize
672KB

Download
memory/4240-133-0x0000000000BC0000-0x0000000000C68000-memory.dmp

Filesize
672KB

Download
memory/4240-135-0x0000000004E20000-0x00000000053C4000-memory.dmp

Filesize
5.6MB

Download
memory/4240-136-0x0000000004CF0000-0x0000000004D8C000-memory.dmp

Filesize
624KB

Download
memory/4240-137-0x00000000054E0000-0x0000000005546000-memory.dmp

Filesize
408KB

Download
memory/4240-138-0x0000000005560000-0x00000000055F2000-memory.dmp

Filesize
584KB

Download
memory/4436-141-0x0000000002370000-0x00000000023A6000-memory.dmp

Filesize
216KB

Download
memory/4436-142-0x0000000004F60000-0x0000000005588000-memory.dmp

Filesize
6.2MB

Download
memory/4436-143-0x0000000004CB0000-0x0000000004CD2000-memory.dmp

Filesize
136KB

Download
memory/4436-144-0x0000000004DD0000-0x0000000004E36000-memory.dmp

Filesize
408KB

Download
memory/4436-145-0x0000000005C60000-0x0000000005C7E000-memory.dmp

Filesize
120KB

Download
memory/4436-146-0x0000000007500000-0x0000000007B7A000-memory.dmp

Filesize
6.5MB

Download
memory/4436-147-0x0000000006130000-0x000000000614A000-memory.dmp

Filesize
104KB

Download
memory/4436-148-0x0000000006F20000-0x0000000006FB6000-memory.dmp

Filesize
600KB

Download
memory/4436-149-0x0000000006210000-0x0000000006232000-memory.dmp

Filesize
136KB

Download

Analysis

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