Analysis
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max time kernel
92s -
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
04-09-2024 11:44
Static task
static1
Behavioral task
behavioral1
Sample
c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe
Resource
win7-20240903-en
General
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Target
c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe
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Size
423KB
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MD5
1e574c803a9a0fa1d042b3aeff1cb2b8
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SHA1
9c0f34945f89aa5c2a8db2c9269d507e17e09ede
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SHA256
c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92
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SHA512
6d1a82469a29f3a309054ebd3d55f033cd9fbe5391b9347e7be901ef6e0672fae29c845e2e9de383e1420653ee25e77ec413810e394fb3ab040a6a417d03a5fe
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SSDEEP
6144:m92HcDLKsEmssotEup5AfWJXQJSFUK07gOR:mMHcDLDnssotbqfwdFQJR
Malware Config
Extracted
gcleaner
80.66.75.114
Signatures
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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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.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 1988 4116 WerFault.exe 82 2008 4116 WerFault.exe 82 4224 4116 WerFault.exe 82 1264 4116 WerFault.exe 82 3400 4116 WerFault.exe 82 4940 4116 WerFault.exe 82 4456 4116 WerFault.exe 82 2324 4116 WerFault.exe 82 4560 4116 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 c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.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 4124 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4124 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4116 wrote to memory of 3356 4116 c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe 111 PID 4116 wrote to memory of 3356 4116 c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe 111 PID 4116 wrote to memory of 3356 4116 c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe 111 PID 3356 wrote to memory of 4124 3356 cmd.exe 115 PID 3356 wrote to memory of 4124 3356 cmd.exe 115 PID 3356 wrote to memory of 4124 3356 cmd.exe 115
Processes
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C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe"C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 7482⤵
- Program crash
PID:1988
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 7402⤵
- Program crash
PID:2008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 7482⤵
- Program crash
PID:4224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 8322⤵
- Program crash
PID:1264
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 9042⤵
- Program crash
PID:3400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 9762⤵
- Program crash
PID:4940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 11202⤵
- Program crash
PID:4456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 13322⤵
- Program crash
PID:2324
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3356 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "c886b2aa58d852a95d3e9e1f68ba7913278ac3fa31cde2b4947e93e6f751ad92.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 12962⤵
- Program crash
PID:4560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4116 -ip 41161⤵PID:3280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4116 -ip 41161⤵PID:4532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4116 -ip 41161⤵PID:2776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4116 -ip 41161⤵PID:2712
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4116 -ip 41161⤵PID:4752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4116 -ip 41161⤵PID:5032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4116 -ip 41161⤵PID:1500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4116 -ip 41161⤵PID:3144
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4116 -ip 41161⤵PID:4756
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99