6a44019b2f0063b7da511aa7c58bf26f949d1b2bf646223ccebee144e406b6ce

General

Target
Document.scr
Size 419KB
Sample200624-j6vb85vwva
SHA256 6a44019b2f0063b7da511aa7c58bf26f949d1b2bf646223ccebee144e406b6ce
MD5 fa563704a07815bdf2898441e13338f5
SHA1 d35ba3958d913efac25895e45125e773b1edbf3f
SHA512 f6c9ba933443b678904742c8e49b96e9e5b3558bda7c80e522ce87d848ccf574315a3495a75be275169f52e52a20c989fe7b90391060749a4346be2f859925d9
MD5 SHA1 SHA512

Score

7^/10

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 2176	908	Document.scr	72
PID 908 wrote to memory of 2176	908	Document.scr	72
PID 908 wrote to memory of 2176	908	Document.scr	72
PID 908 wrote to memory of 2804	908	Document.scr	74
PID 908 wrote to memory of 2804	908	Document.scr	74
PID 908 wrote to memory of 2804	908	Document.scr	74
PID 908 wrote to memory of 2804	908	Document.scr	74
PID 908 wrote to memory of 2804	908	Document.scr	74
PID 908 wrote to memory of 2804	908	Document.scr	74
PID 908 wrote to memory of 2804	908	Document.scr	74
PID 908 wrote to memory of 2804	908	Document.scr	74

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 908 set thread context of 2804	908	Document.scr	74

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	Document.scr
Token: SeDebugPrivilege	2804	Document.scr

Adds Run entry to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\Window Updater = "C:\\Users\\Admin\\AppData\\Roaming\\Window Updater\\Window Updater.exe"	Document.scr

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

Data from Local System
T1005

Credentials in Files
T1081
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious behavior: EnumeratesProcesses 3 IoCs

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2804	Document.scr

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
8	checkip.amazonaws.com

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
2176	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Document.scr
"C:\Users\Admin\AppData\Local\Temp\Document.scr" /S
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:908
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NdofAgTf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp869B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2176
- C:\Users\Admin\AppData\Local\Temp\Document.scr
  "{path}"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Adds Run entry to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2804