Analysis
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max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 02:32
Static task
static1
Behavioral task
behavioral1
Sample
87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe
Resource
win10v2004-20240226-en
General
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Target
87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe
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Size
912KB
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MD5
489e1fae49f440d756e8a9909ebb216e
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SHA1
1ba4b116c5a6522f119072a73f22296bf480a9a6
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SHA256
87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324
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SHA512
8b84cb877d00063b654412ab2c9ed05f510976b35e01cc11d7281baaf017f14129cf6f25fc81fa40d65494ea951411e74c27c4dae42df53763942b58abb13750
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SSDEEP
12288:5vo5RPxfakFRlrm1rPmytG3fJgYjVDa/ZS9anFY:sNacjjCOa/ZSUnK
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exepid process 2596 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe -
Executes dropped EXE 1 IoCs
Processes:
87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exepid process 2596 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe -
Loads dropped DLL 4 IoCs
Processes:
87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exeWerFault.exepid process 2380 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe 2944 WerFault.exe 2944 WerFault.exe 2944 WerFault.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2944 2596 WerFault.exe 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exepid process 2380 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exepid process 2596 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exedescription pid process target process PID 2380 wrote to memory of 2596 2380 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe PID 2380 wrote to memory of 2596 2380 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe PID 2380 wrote to memory of 2596 2380 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe PID 2380 wrote to memory of 2596 2380 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe PID 2596 wrote to memory of 2944 2596 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe WerFault.exe PID 2596 wrote to memory of 2944 2596 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe WerFault.exe PID 2596 wrote to memory of 2944 2596 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe WerFault.exe PID 2596 wrote to memory of 2944 2596 87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe"C:\Users\Admin\AppData\Local\Temp\87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exeC:\Users\Admin\AppData\Local\Temp\87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 1443⤵
- Loads dropped DLL
- Program crash
PID:2944
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\87dcd2c96c98903abb87ed3a8616f00d01be07a6a0c4c47fa3eb7f26fd9f6324.exe
Filesize912KB
MD547bd4eeb3ad749f0087bd78251332781
SHA18323c1779347b75aacd8f83689bbe5e525c35cdd
SHA2561b5e582255a80217c1c06667cf69693a1a9de0a4d4c6344dc364ab285d55fb1d
SHA512b8966de87a45894a84e6f450bedb7544f23aa375b6eaea909254d4b0042636f48f9ff855e3f8731993b22e3a480468b09dc3bc57f30654c9742fb17beed1f76f