Analysis
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max time kernel
91s -
max time network
93s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 11 IoCs
pid pid_target Process procid_target 1680 3560 WerFault.exe 77 3688 3560 WerFault.exe 77 4092 3560 WerFault.exe 77 4028 3560 WerFault.exe 77 4772 3560 WerFault.exe 77 4980 3560 WerFault.exe 77 2956 3560 WerFault.exe 77 4960 3560 WerFault.exe 77 3620 3560 WerFault.exe 77 4992 3560 WerFault.exe 77 5048 3560 WerFault.exe 77 -
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 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.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 2660 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2660 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3560 wrote to memory of 980 3560 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe 99 PID 3560 wrote to memory of 980 3560 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe 99 PID 3560 wrote to memory of 980 3560 34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe 99 PID 980 wrote to memory of 2660 980 cmd.exe 103 PID 980 wrote to memory of 2660 980 cmd.exe 103 PID 980 wrote to memory of 2660 980 cmd.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe"C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3560 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 4722⤵
- Program crash
PID:1680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 4842⤵
- Program crash
PID:3688
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 7802⤵
- Program crash
PID:4092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 7802⤵
- Program crash
PID:4028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 8322⤵
- Program crash
PID:4772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 8722⤵
- Program crash
PID:4980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 9602⤵
- Program crash
PID:2956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 10682⤵
- Program crash
PID:4960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 11042⤵
- Program crash
PID:3620
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 17562⤵
- Program crash
PID:4992
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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:980 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 17842⤵
- Program crash
PID:5048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3560 -ip 35601⤵PID:2964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3560 -ip 35601⤵PID:4856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3560 -ip 35601⤵PID:3580
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3560 -ip 35601⤵PID:3932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3560 -ip 35601⤵PID:4264
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3560 -ip 35601⤵PID:1892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3560 -ip 35601⤵PID:1516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3560 -ip 35601⤵PID:2360
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3560 -ip 35601⤵PID:4404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3560 -ip 35601⤵PID:2088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3560 -ip 35601⤵PID:1456
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99