Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-09-2024 23:16
Static task
static1
Behavioral task
behavioral1
Sample
a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe
Resource
win10v2004-20240802-en
General
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Target
a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe
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Size
423KB
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MD5
c7a3775cbc45c5fb06468404eba0bf61
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SHA1
38df1fe93c42515051b6e82c1e3c88d64015c969
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SHA256
a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae
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SHA512
d460e27ee6775353ee291811a8428f07b5b7e15b34033c42ae3b52797fe4d32c3a44ca1e6c368ec5748834e2be46475ef73154b87c42484bfc1b87999c8d64bd
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SSDEEP
6144:EstNUDvKsWwGx8wDBl006djfP/+NqZNFQFmPEREv:EONUDvDWwG/lwjWi2mP
Malware Config
Extracted
gcleaner
80.66.75.114
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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 9 IoCs
pid pid_target Process procid_target 3124 3996 WerFault.exe 83 1776 3996 WerFault.exe 83 1740 3996 WerFault.exe 83 4932 3996 WerFault.exe 83 536 3996 WerFault.exe 83 3504 3996 WerFault.exe 83 2080 3996 WerFault.exe 83 736 3996 WerFault.exe 83 3008 3996 WerFault.exe 83 -
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 a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.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 2604 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2604 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3996 wrote to memory of 3608 3996 a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe 112 PID 3996 wrote to memory of 3608 3996 a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe 112 PID 3996 wrote to memory of 3608 3996 a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe 112 PID 3608 wrote to memory of 2604 3608 cmd.exe 116 PID 3608 wrote to memory of 2604 3608 cmd.exe 116 PID 3608 wrote to memory of 2604 3608 cmd.exe 116
Processes
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C:\Users\Admin\AppData\Local\Temp\a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe"C:\Users\Admin\AppData\Local\Temp\a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 4562⤵
- Program crash
PID:3124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 7642⤵
- Program crash
PID:1776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 7722⤵
- Program crash
PID:1740
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 8162⤵
- Program crash
PID:4932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 8722⤵
- Program crash
PID:536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 9282⤵
- Program crash
PID:3504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 10042⤵
- Program crash
PID:2080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 15602⤵
- Program crash
PID:736
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "a3847825c493b4b76addda43b65194253f4e66a0eb3e9912514afa7b4e4aabae.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2604
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 4922⤵
- Program crash
PID:3008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3996 -ip 39961⤵PID:3092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3996 -ip 39961⤵PID:4204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3996 -ip 39961⤵PID:1628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3996 -ip 39961⤵PID:3488
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3996 -ip 39961⤵PID:4160
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3996 -ip 39961⤵PID:4460
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3996 -ip 39961⤵PID:2916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3996 -ip 39961⤵PID:4928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3996 -ip 39961⤵PID:4152
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99