Analysis
-
max time kernel
154s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2022 21:14
Static task
static1
Behavioral task
behavioral1
Sample
cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a.exe
Resource
win7-20220812-en
General
-
Target
cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a.exe
-
Size
205KB
-
MD5
7b0685897c65b060494c91b0b701fa71
-
SHA1
4f597320790d71cf000e4b03dcae8a11b6946410
-
SHA256
cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a
-
SHA512
17e1e8821eec0c8aeb70551d833c0afc9805543997f98cd4430a254e2d51ca9b710a252fabc2d35beb4c338972955d4393e011f56dcf661f4526cce2796df197
-
SSDEEP
6144:WSIWTqzmgoJlS5Oz4BS9sqLFuV8hHaB+:Wi4mgoJlS5OsGQ8
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
bozoveleye@gmail.com - Password:
iyikalpli_3303
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
Windows Update.exepid process 2544 Windows Update.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a.exe -
Drops startup file 2 IoCs
Processes:
Windows Update.exedescription ioc process File opened for modification C:\users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsUpdate.exe Windows Update.exe File created C:\users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsUpdate.exe Windows Update.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Windows Update.exepid process 2544 Windows Update.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Windows Update.exedescription pid process Token: SeDebugPrivilege 2544 Windows Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Windows Update.exepid process 2544 Windows Update.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a.exedescription pid process target process PID 936 wrote to memory of 2544 936 cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a.exe Windows Update.exe PID 936 wrote to memory of 2544 936 cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a.exe Windows Update.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a.exe"C:\Users\Admin\AppData\Local\Temp\cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\SysInfo.txtFilesize
102B
MD5e6767e3c7681fdcca1e5600415fecf77
SHA114d9453abb2c7626099489adae2dc01cd1008a20
SHA256d391b2c64d86d0c4614bc0459a651bed7b1b3f1eebfeff6335a1e8a98958ed13
SHA512096056807259133f451a83f4e7a6944e4f5d27fe1a0d783791a2b36c9dd13ade5d93b9d2be9bdef4d9fbffdf9bff17c438b0aa807daa3b8a35212f35ab61a3e3
-
C:\Users\Admin\AppData\Roaming\Windows Update.exeFilesize
205KB
MD57b0685897c65b060494c91b0b701fa71
SHA14f597320790d71cf000e4b03dcae8a11b6946410
SHA256cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a
SHA51217e1e8821eec0c8aeb70551d833c0afc9805543997f98cd4430a254e2d51ca9b710a252fabc2d35beb4c338972955d4393e011f56dcf661f4526cce2796df197
-
C:\Users\Admin\AppData\Roaming\Windows Update.exeFilesize
205KB
MD57b0685897c65b060494c91b0b701fa71
SHA14f597320790d71cf000e4b03dcae8a11b6946410
SHA256cdb39fc581b72b36c079abec9e2bfefa9a03e5dc00589a5889406f0647b0901a
SHA51217e1e8821eec0c8aeb70551d833c0afc9805543997f98cd4430a254e2d51ca9b710a252fabc2d35beb4c338972955d4393e011f56dcf661f4526cce2796df197
-
memory/936-135-0x00007FFB3BBF0000-0x00007FFB3C626000-memory.dmpFilesize
10.2MB
-
memory/2544-136-0x0000000000000000-mapping.dmp
-
memory/2544-139-0x00007FFB3BBF0000-0x00007FFB3C626000-memory.dmpFilesize
10.2MB