Analysis
-
max time kernel
94s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-09-2024 20:48
Static task
static1
Behavioral task
behavioral1
Sample
5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe
Resource
win10v2004-20240802-en
General
-
Target
5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe
-
Size
400KB
-
MD5
423962a98abc4f72ce92334104e829b7
-
SHA1
2016d38b8b2231fddb03fd9e17fb291f05247d77
-
SHA256
5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530
-
SHA512
c3963fd5e7948da7c5e28a76879f6f113cdef07c6c0abde873b2466dee35c2adc5fa7be2eda650c0d289b28444651d64767d3c5c09d44525b330e1030f08c603
-
SSDEEP
6144:O0MVHdfDeX7V9TFpBx8KSX3w/fdobFq5cyX7yb/zgOEdNw:O0MVHdfiX7vrBxVWbEY/i
Malware Config
Extracted
gcleaner
80.66.75.114
45.91.200.135
Signatures
-
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 10 IoCs
pid pid_target Process procid_target 3380 756 WerFault.exe 82 4324 756 WerFault.exe 82 2408 756 WerFault.exe 82 4836 756 WerFault.exe 82 4784 756 WerFault.exe 82 2468 756 WerFault.exe 82 4884 756 WerFault.exe 82 2764 756 WerFault.exe 82 1232 756 WerFault.exe 82 1664 756 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe -
Kills process with taskkill 1 IoCs
pid Process 1184 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1184 taskkill.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 756 wrote to memory of 5024 756 5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe 114 PID 756 wrote to memory of 5024 756 5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe 114 PID 756 wrote to memory of 5024 756 5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe 114
Processes
-
C:\Users\Admin\AppData\Local\Temp\5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe"C:\Users\Admin\AppData\Local\Temp\5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 4562⤵
- Program crash
PID:3380
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 7642⤵
- Program crash
PID:4324
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 8042⤵
- Program crash
PID:2408
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 7962⤵
- Program crash
PID:4836
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 8042⤵
- Program crash
PID:4784
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 9282⤵
- Program crash
PID:2468
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 10042⤵
- Program crash
PID:4884
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 10882⤵
- Program crash
PID:2764
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 13282⤵
- Program crash
PID:1232
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe" & exit2⤵
- System Location Discovery: System Language Discovery
PID:5024 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1184
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 4922⤵
- Program crash
PID:1664
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 756 -ip 7561⤵PID:224
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 756 -ip 7561⤵PID:4968
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 756 -ip 7561⤵PID:3760
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 756 -ip 7561⤵PID:4456
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 756 -ip 7561⤵PID:2828
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 756 -ip 7561⤵PID:1800
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 756 -ip 7561⤵PID:5068
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 756 -ip 7561⤵PID:3856
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 756 -ip 7561⤵PID:1688
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 756 -ip 7561⤵PID:4372
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99