Analysis
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max time kernel
93s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-09-2024 05:30
Static task
static1
Behavioral task
behavioral1
Sample
34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
Resource
win10v2004-20240802-en
General
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Target
34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
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Size
277KB
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MD5
17037f31f735004a34795e61ec3404ef
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SHA1
215734fc9f8e2aa0207006526906f7787fc7b3ce
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SHA256
34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef
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SHA512
299ba9d6db4757716b084fd4b86b029daa09e57cf5af9279b92dad8348d98390b2228045effe71e8c2a3157f6e3f9e59819d47ca28a46bdb8aa8e59cc2217a8c
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SSDEEP
6144:aBoUgpj8IR8E04aheIVjEyn5N4vBpLmww4:koUgp8E04aEIVwy3KaV
Malware Config
Extracted
gcleaner
80.66.75.114
45.91.200.135
Signatures
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Downloads MZ/PE file
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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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 10 IoCs
pid pid_target Process procid_target 3784 2072 WerFault.exe 82 2976 2072 WerFault.exe 82 4876 2072 WerFault.exe 82 220 2072 WerFault.exe 82 1016 2072 WerFault.exe 82 2944 2072 WerFault.exe 82 4956 2072 WerFault.exe 82 3240 2072 WerFault.exe 82 2788 2072 WerFault.exe 82 2728 2072 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe -
Kills process with taskkill 1 IoCs
pid Process 4888 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4888 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2072 wrote to memory of 2288 2072 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe 114 PID 2072 wrote to memory of 2288 2072 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe 114 PID 2072 wrote to memory of 2288 2072 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe 114 PID 2288 wrote to memory of 4888 2288 cmd.exe 118 PID 2288 wrote to memory of 4888 2288 cmd.exe 118 PID 2288 wrote to memory of 4888 2288 cmd.exe 118
Processes
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C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe"C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 4522⤵
- Program crash
PID:3784
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 4522⤵
- Program crash
PID:2976
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 7482⤵
- Program crash
PID:4876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 7882⤵
- Program crash
PID:220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 8082⤵
- Program crash
PID:1016
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 7482⤵
- Program crash
PID:2944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 9122⤵
- Program crash
PID:4956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 9882⤵
- Program crash
PID:3240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 15442⤵
- Program crash
PID:2788
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 15122⤵
- Program crash
PID:2728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2072 -ip 20721⤵PID:2540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2072 -ip 20721⤵PID:4028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2072 -ip 20721⤵PID:4688
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2072 -ip 20721⤵PID:1472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2072 -ip 20721⤵PID:4784
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2072 -ip 20721⤵PID:3988
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2072 -ip 20721⤵PID:5080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2072 -ip 20721⤵PID:3480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2072 -ip 20721⤵PID:4504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2072 -ip 20721⤵PID:4348
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99