Analysis
-
max time kernel
173s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2022 18:01
Static task
static1
Behavioral task
behavioral1
Sample
947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe
Resource
win7-20220812-en
General
-
Target
947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe
-
Size
207KB
-
MD5
15fadd4c98f375e135c1a8b68f4f18aa
-
SHA1
69d48006b3397a3d8d6627de975b7869fd9ebcca
-
SHA256
947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
-
SHA512
d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
-
SSDEEP
3072:TFjTRNZeAmkSn5nxXub/RJhYsHmVJRKn/7rB8zv35jP7tXXnM7Wt:9TRuAmkAXm/vUVJeSVbBXXMu
Malware Config
Extracted
amadey
3.50
31.41.244.17/hfk3vK9/index.php
Signatures
-
Downloads MZ/PE file
-
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 2272 gntuud.exe 1972 gntuud.exe 2196 gntuud.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exegntuud.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation gntuud.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 2188 4616 WerFault.exe 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe 3124 1972 WerFault.exe gntuud.exe 3744 2196 WerFault.exe gntuud.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exegntuud.exedescription pid process target process PID 4616 wrote to memory of 2272 4616 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe gntuud.exe PID 4616 wrote to memory of 2272 4616 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe gntuud.exe PID 4616 wrote to memory of 2272 4616 947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe gntuud.exe PID 2272 wrote to memory of 4440 2272 gntuud.exe schtasks.exe PID 2272 wrote to memory of 4440 2272 gntuud.exe schtasks.exe PID 2272 wrote to memory of 4440 2272 gntuud.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe"C:\Users\Admin\AppData\Local\Temp\947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F3⤵
- Creates scheduled task(s)
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 11362⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4616 -ip 46161⤵
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 4162⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1972 -ip 19721⤵
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 4242⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2196 -ip 21961⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD515fadd4c98f375e135c1a8b68f4f18aa
SHA169d48006b3397a3d8d6627de975b7869fd9ebcca
SHA256947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
SHA512d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD515fadd4c98f375e135c1a8b68f4f18aa
SHA169d48006b3397a3d8d6627de975b7869fd9ebcca
SHA256947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
SHA512d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD515fadd4c98f375e135c1a8b68f4f18aa
SHA169d48006b3397a3d8d6627de975b7869fd9ebcca
SHA256947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
SHA512d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeFilesize
207KB
MD515fadd4c98f375e135c1a8b68f4f18aa
SHA169d48006b3397a3d8d6627de975b7869fd9ebcca
SHA256947b2d0ca3e4a3d4eefed3239382fb52c87893e7c0d1035307f172e82fe04bd9
SHA512d915a5df147656e1e5ed6d951c5a887df4898711f62f970e1a1edee137e8831cfcc13b60898a07563c8043fe96c4199edd03f3e726453f85b74e8fa0f2239ef7
-
memory/1972-147-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
-
memory/1972-146-0x0000000000CA0000-0x0000000000CBF000-memory.dmpFilesize
124KB
-
memory/2196-150-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
-
memory/2196-149-0x0000000000DA0000-0x0000000000DBF000-memory.dmpFilesize
124KB
-
memory/2272-144-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
-
memory/2272-143-0x0000000000D8C000-0x0000000000DAB000-memory.dmpFilesize
124KB
-
memory/2272-139-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
-
memory/2272-138-0x0000000000D8C000-0x0000000000DAB000-memory.dmpFilesize
124KB
-
memory/2272-135-0x0000000000000000-mapping.dmp
-
memory/4440-142-0x0000000000000000-mapping.dmp
-
memory/4616-141-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
-
memory/4616-132-0x0000000000BAE000-0x0000000000BCD000-memory.dmpFilesize
124KB
-
memory/4616-140-0x0000000000BAE000-0x0000000000BCD000-memory.dmpFilesize
124KB
-
memory/4616-134-0x0000000000400000-0x0000000000AE6000-memory.dmpFilesize
6.9MB
-
memory/4616-133-0x0000000002840000-0x000000000287E000-memory.dmpFilesize
248KB