Analysis
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max time kernel
91s -
max time network
94s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-09-2024 20:45
Static task
static1
Behavioral task
behavioral1
Sample
134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe
Resource
win10v2004-20240802-en
General
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Target
134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe
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Size
422KB
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MD5
2fa023187ddc468439db40086c1a7460
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SHA1
028ca13565678497f7f1638bdcf7af81a28cac8f
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SHA256
134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119
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SHA512
9112fde9371c82305ca1122de52cbf6d742667c96191425f8468876ee75712a48da5b74209c8aa0bfb9d8365b017f2c10db9c24d3a233d0cb25b2ee71be37257
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SSDEEP
6144:vspWxDxtsNSiSRRDpOshFzcDt60aYVaVTSx1P8e/o:vuWxDxGKpMshF4M7Yqex1z
Malware Config
Extracted
gcleaner
80.66.75.114
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 12 IoCs
pid pid_target Process procid_target 2288 2568 WerFault.exe 79 1156 2568 WerFault.exe 79 3136 2568 WerFault.exe 79 4888 2568 WerFault.exe 79 1580 2568 WerFault.exe 79 1508 2568 WerFault.exe 79 852 2568 WerFault.exe 79 4716 2568 WerFault.exe 79 828 2568 WerFault.exe 79 2864 2568 WerFault.exe 79 2404 2568 WerFault.exe 79 428 2568 WerFault.exe 79 -
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 134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.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 3076 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3076 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2568 wrote to memory of 3020 2568 134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe 101 PID 2568 wrote to memory of 3020 2568 134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe 101 PID 2568 wrote to memory of 3020 2568 134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe 101 PID 3020 wrote to memory of 3076 3020 cmd.exe 103 PID 3020 wrote to memory of 3076 3020 cmd.exe 103 PID 3020 wrote to memory of 3076 3020 cmd.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe"C:\Users\Admin\AppData\Local\Temp\134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 4842⤵
- Program crash
PID:2288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 8042⤵
- Program crash
PID:1156
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 8442⤵
- Program crash
PID:3136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 8642⤵
- Program crash
PID:4888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 8962⤵
- Program crash
PID:1580
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 9762⤵
- Program crash
PID:1508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 11082⤵
- Program crash
PID:852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 13962⤵
- Program crash
PID:4716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 16602⤵
- Program crash
PID:828
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 16802⤵
- Program crash
PID:2864
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 17202⤵
- Program crash
PID:2404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 4722⤵
- Program crash
PID:428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2568 -ip 25681⤵PID:3708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2568 -ip 25681⤵PID:2040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2568 -ip 25681⤵PID:3528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2568 -ip 25681⤵PID:3832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2568 -ip 25681⤵PID:4912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2568 -ip 25681⤵PID:2340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2568 -ip 25681⤵PID:2020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2568 -ip 25681⤵PID:1736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 380 -p 2568 -ip 25681⤵PID:1664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2568 -ip 25681⤵PID:2668
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 380 -p 2568 -ip 25681⤵PID:3440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 2568 -ip 25681⤵PID:3412
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99