Analysis
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max time kernel
122s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-09-2024 01:12
Static task
static1
Behavioral task
behavioral1
Sample
37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe
Resource
win7-20240903-en
General
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Target
37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe
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Size
272KB
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MD5
49a530d2755b919dee5bdd26d931925c
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SHA1
59440163bfd8c6af7e61a0b19f86a91e99c01d98
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SHA256
37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa
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SHA512
79c89aac0dc0f40fde34e7228554982312ab10b04cfcedead34ace4a9c366aa027251a60c73a1815c3770fd87b2bc49b5c89ecfcc3e7815222bba8bd1a3ceed7
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SSDEEP
6144:+DfD5BQnup57iPyrbaM33dAq6EuA72Igq:+7Qnu+yrbaMD6EuA7
Malware Config
Extracted
gcleaner
80.66.75.114
Signatures
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Deletes itself 1 IoCs
pid Process 2700 cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe -
Kills process with taskkill 1 IoCs
pid Process 2536 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2536 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3052 wrote to memory of 2700 3052 37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe 32 PID 3052 wrote to memory of 2700 3052 37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe 32 PID 3052 wrote to memory of 2700 3052 37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe 32 PID 3052 wrote to memory of 2700 3052 37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe 32 PID 2700 wrote to memory of 2536 2700 cmd.exe 34 PID 2700 wrote to memory of 2536 2700 cmd.exe 34 PID 2700 wrote to memory of 2536 2700 cmd.exe 34 PID 2700 wrote to memory of 2536 2700 cmd.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe"C:\Users\Admin\AppData\Local\Temp\37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe" & exit2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\D6V88JEY\download[1].htm
Filesize1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99