masslogger | f0176393025bb51cbf9ac3e0d457ab89e129d90583fa103ff9db794687787715

General

Target
Oypy7XYBTMuI7M2.exe
Size 702KB
Sample200624-fydfp4bb4e
SHA256 f0176393025bb51cbf9ac3e0d457ab89e129d90583fa103ff9db794687787715
MD5 fcada174c3065750b2fbf81594987216
SHA1 6aabb9ad9424b5be363fed86ad528b190a9bcc24
SHA512 14c5277eac5996f5a6660a434c9884279a34b383f87f603708b9faba03abb20802ff5a316d065a90987e0a4e674f5fb0e5fecf9618d53eb50fdb7361215ec035
MD5 SHA1 SHA512

Score

10^/10

Path

Ransom Note

################################################################# MassLogger v2.0.0.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 6/24/2020 3:38:08 PM MassLogger Started: 6/24/2020 3:37:56 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Oypy7XYBTMuI7M2.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
756	Oypy7XYBTMuI7M2.exe
756	Oypy7XYBTMuI7M2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
756	Oypy7XYBTMuI7M2.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
1792	schtasks.exe

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

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
5	api.ipify.org

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 1792	1404	Oypy7XYBTMuI7M2.exe	26
PID 1404 wrote to memory of 1792	1404	Oypy7XYBTMuI7M2.exe	26
PID 1404 wrote to memory of 1792	1404	Oypy7XYBTMuI7M2.exe	26
PID 1404 wrote to memory of 1792	1404	Oypy7XYBTMuI7M2.exe	26
PID 1404 wrote to memory of 756	1404	Oypy7XYBTMuI7M2.exe	28
PID 1404 wrote to memory of 756	1404	Oypy7XYBTMuI7M2.exe	28
PID 1404 wrote to memory of 756	1404	Oypy7XYBTMuI7M2.exe	28
PID 1404 wrote to memory of 756	1404	Oypy7XYBTMuI7M2.exe	28
PID 1404 wrote to memory of 756	1404	Oypy7XYBTMuI7M2.exe	28
PID 1404 wrote to memory of 756	1404	Oypy7XYBTMuI7M2.exe	28
PID 1404 wrote to memory of 756	1404	Oypy7XYBTMuI7M2.exe	28
PID 1404 wrote to memory of 756	1404	Oypy7XYBTMuI7M2.exe	28
PID 1404 wrote to memory of 756	1404	Oypy7XYBTMuI7M2.exe	28

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1404 set thread context of 756	1404	Oypy7XYBTMuI7M2.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	Oypy7XYBTMuI7M2.exe

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
756	Oypy7XYBTMuI7M2.exe

C:\Users\Admin\AppData\Local\Temp\Oypy7XYBTMuI7M2.exe
"C:\Users\Admin\AppData\Local\Temp\Oypy7XYBTMuI7M2.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1404
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cdXoLuWnjLxPxP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6096.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1792
- C:\Users\Admin\AppData\Local\Temp\Oypy7XYBTMuI7M2.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: AddClipboardFormatListener
  PID:756