Analysis
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max time kernel
144s -
max time network
159s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 09:06
Static task
static1
Behavioral task
behavioral1
Sample
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe
Resource
win10v2004-20221111-en
General
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Target
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe
-
Size
374KB
-
MD5
510b4db9aa400583e7927afa5f956179
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SHA1
145c82caa303bd141fd6069ab92fefdfac3568bc
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SHA256
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc
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SHA512
fccbea767c2ff85830d98f64aaddbb2a9bd7cb676a5460419a03b57dab4a9805f634b65626ed9b02008bcf1f37a35d40809fd760baeea9b7b71581349d217705
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SSDEEP
6144:zxcJWXoLrDdMpwZtem0mipnQ6qSW1UfzGJNATRsAjSIrMgXgHePZY7rrvFly:zxcJWXovGaZtY57/7GJWRsAmiMR+PMr/
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
alter.exepid process 952 alter.exe -
Deletes itself 1 IoCs
Processes:
alter.exepid process 952 alter.exe -
Loads dropped DLL 1 IoCs
Processes:
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exepid process 900 b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
alter.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run alter.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\alter.exe" alter.exe -
Drops file in Windows directory 2 IoCs
Processes:
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exealter.exedescription ioc process File opened for modification C:\Windows\b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.INI b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe File opened for modification C:\Windows\alter.INI alter.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
alter.exepid process 952 alter.exe 952 alter.exe 952 alter.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
alter.exepid process 952 alter.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
alter.exedescription pid process Token: SeDebugPrivilege 952 alter.exe Token: SeDebugPrivilege 1296 -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
pid process 1296 1296 -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
pid process 1296 1296 -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exealter.exepid process 900 b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe 900 b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe 952 alter.exe 952 alter.exe -
Suspicious use of UnmapMainImage 2 IoCs
Processes:
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exealter.exepid process 900 b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe 952 alter.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exedescription pid process target process PID 900 wrote to memory of 952 900 b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe alter.exe PID 900 wrote to memory of 952 900 b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe alter.exe PID 900 wrote to memory of 952 900 b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe alter.exe PID 900 wrote to memory of 952 900 b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe alter.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe"C:\Users\Admin\AppData\Local\Temp\b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:900 -
C:\Users\Admin\AppData\Local\alter.exeC:\Users\Admin\AppData\Local\Temp\b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc.exe2⤵
- Executes dropped EXE
- Deletes itself
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
PID:952
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
374KB
MD5510b4db9aa400583e7927afa5f956179
SHA1145c82caa303bd141fd6069ab92fefdfac3568bc
SHA256b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc
SHA512fccbea767c2ff85830d98f64aaddbb2a9bd7cb676a5460419a03b57dab4a9805f634b65626ed9b02008bcf1f37a35d40809fd760baeea9b7b71581349d217705
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Filesize
374KB
MD5510b4db9aa400583e7927afa5f956179
SHA1145c82caa303bd141fd6069ab92fefdfac3568bc
SHA256b018833941eb4d82c9928975ad82626ce8edd7c7f00d8c5a1b3a29fe820a6fbc
SHA512fccbea767c2ff85830d98f64aaddbb2a9bd7cb676a5460419a03b57dab4a9805f634b65626ed9b02008bcf1f37a35d40809fd760baeea9b7b71581349d217705