Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 19:13
Behavioral task
behavioral1
Sample
a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe
Resource
win10v2004-20220901-en
General
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Target
a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe
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Size
372KB
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MD5
32626325b3b5c54be1ff12bf3df0f091
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SHA1
65f4d2dc8c07cdc26029e4fcd3dc9588a7c85081
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SHA256
a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361
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SHA512
0621cb5461c138f332cfe9087dbb3d895364cb2cabb720dc5cee8caf50b00d6f4973a5fb04a7f441a680a9aa27831ead6256303dc2dc4658f45e76665979de8c
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SSDEEP
6144:NoFXtijKVzQstZq5eGIZiI6yaRI0uP62ctloaeH+XzzFqG0sKfpYT:WFdYK2si0GIZR2RJuIoaeH+XzzUG0sMi
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrx64p = "C:\\Users\\Admin\\AppData\\Roaming\\Java Map\\winx64proc.exe" a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrx64p = "\\Java Map\\winx64proc.exe" a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe File created C:\Windows\assembly\Desktop.ini a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2232 set thread context of 4752 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 85 PID 2232 set thread context of 1104 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 84 -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe File opened for modification C:\Windows\assembly\Desktop.ini a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe File opened for modification C:\Windows\assembly a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4752 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4752 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe Token: SeDebugPrivilege 4752 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4752 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2232 wrote to memory of 1104 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 84 PID 2232 wrote to memory of 1104 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 84 PID 2232 wrote to memory of 1104 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 84 PID 2232 wrote to memory of 4752 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 85 PID 2232 wrote to memory of 4752 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 85 PID 2232 wrote to memory of 4752 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 85 PID 2232 wrote to memory of 4752 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 85 PID 2232 wrote to memory of 4752 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 85 PID 2232 wrote to memory of 4752 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 85 PID 2232 wrote to memory of 4752 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 85 PID 2232 wrote to memory of 4752 2232 a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe"C:\Users\Admin\AppData\Local\Temp\a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Users\Admin\AppData\Local\Temp\a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe"C:\Users\Admin\AppData\Local\Temp\a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe"2⤵PID:1104
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C:\Users\Admin\AppData\Local\Temp\a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe"C:\Users\Admin\AppData\Local\Temp\a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe"2⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4752
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\a91147670d04dc3ec65a44a53a025484237456370a21a4215fab94ab56c3a361.exe.log
Filesize223B
MD5cde6529abeea500fb852f29ba0da6115
SHA145f2f48492417ae6a0eade8aaa808d3d1d760743
SHA256d7f4964443470b6729865676d76f5f1f416da633033071c34ea5eb19cdea53b5
SHA512c95fa7faf6a90f32060dba70f79c4d66c68d6eec587306fb98f36fc3ba5d377ebf9dabf47298b71db208fb10f7ccb4e0ed82236c8f26bcc746552588bbb38234