Analysis
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max time kernel
81s -
max time network
85s -
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 09:39
Static task
static1
Behavioral task
behavioral1
Sample
cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
Resource
win10v2004-20240802-en
General
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Target
cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
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Size
277KB
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MD5
8ff1a02c7c96c93cc812e7106ecf2fe6
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SHA1
6dc570c9f59867bc0451d839e3b761f5b24df7a0
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SHA256
cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae
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SHA512
2c4392b207fdcae45e867045186a981494affe3261ae049b0dca9c4c0924aa24d1df026efbab0cea6173f762944916ea0906f757df8f4fe5ab26817450d2c907
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SSDEEP
6144:pBoUgpj8IR8spQ/krnpobL4A3LWmCj0hTi4Q6IjRtIw:ToUgp8spHs4AbW4hTikI
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 3848 4948 WerFault.exe 78 4068 4948 WerFault.exe 78 692 4948 WerFault.exe 78 4712 4948 WerFault.exe 78 4388 4948 WerFault.exe 78 868 4948 WerFault.exe 78 2388 4948 WerFault.exe 78 1156 4948 WerFault.exe 78 2844 4948 WerFault.exe 78 2908 4948 WerFault.exe 78 900 4948 WerFault.exe 78 -
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 cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.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 4724 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4724 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4948 wrote to memory of 3796 4948 cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe 100 PID 4948 wrote to memory of 3796 4948 cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe 100 PID 4948 wrote to memory of 3796 4948 cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe 100 PID 3796 wrote to memory of 4724 3796 cmd.exe 104 PID 3796 wrote to memory of 4724 3796 cmd.exe 104 PID 3796 wrote to memory of 4724 3796 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe"C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 4762⤵
- Program crash
PID:3848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 5002⤵
- Program crash
PID:4068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 7802⤵
- Program crash
PID:692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 8202⤵
- Program crash
PID:4712
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 7802⤵
- Program crash
PID:4388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 8722⤵
- Program crash
PID:868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 9602⤵
- Program crash
PID:2388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 9642⤵
- Program crash
PID:1156
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 13562⤵
- Program crash
PID:2844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 16442⤵
- Program crash
PID:2908
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3796 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4724
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 17202⤵
- Program crash
PID:900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4948 -ip 49481⤵PID:1352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4948 -ip 49481⤵PID:1360
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4948 -ip 49481⤵PID:1340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4948 -ip 49481⤵PID:2628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4948 -ip 49481⤵PID:1440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4948 -ip 49481⤵PID:2452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4948 -ip 49481⤵PID:2372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4948 -ip 49481⤵PID:4272
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4948 -ip 49481⤵PID:4160
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4948 -ip 49481⤵PID:2304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4948 -ip 49481⤵PID:2340
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99