Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
13/02/2024, 18:14
Behavioral task
behavioral1
Sample
99ce3bdc622121d6659d28cc39daf5b3.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
99ce3bdc622121d6659d28cc39daf5b3.exe
Resource
win10v2004-20231222-en
General
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Target
99ce3bdc622121d6659d28cc39daf5b3.exe
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Size
1.5MB
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MD5
99ce3bdc622121d6659d28cc39daf5b3
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SHA1
8baf1bde8d3b2e290055d5428ebeb539e04bdafb
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SHA256
181bed91b6b493f02e5473c37e38e48a6f0c3fbb2d9d725f21f4f5089eae92f0
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SHA512
4d1ce27a7ad80e7bd5c1cc6b8a572087bda525e1a08b150c7cfb50a5996b371e0fb23dcbefaa4ef827914bb52bbf9044d3ede62182eec6fc491e9c5a95ffb5a1
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SSDEEP
24576:auuRniEJhMVVhO7olEcBxNbaC99I8bKL6t+qrl4cq2jV0/tu7L30EGvXHnnXkX8y:aV1fMU75sxp19pY6tQ2Yu7L30EkHXkX
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2660 99ce3bdc622121d6659d28cc39daf5b3.exe -
Executes dropped EXE 1 IoCs
pid Process 2660 99ce3bdc622121d6659d28cc39daf5b3.exe -
Loads dropped DLL 1 IoCs
pid Process 1488 99ce3bdc622121d6659d28cc39daf5b3.exe -
resource yara_rule behavioral1/memory/1488-0-0x0000000000400000-0x00000000008EF000-memory.dmp upx behavioral1/files/0x000800000001223f-10.dat upx behavioral1/memory/2660-16-0x0000000000400000-0x00000000008EF000-memory.dmp upx -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1488 99ce3bdc622121d6659d28cc39daf5b3.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 1488 99ce3bdc622121d6659d28cc39daf5b3.exe 2660 99ce3bdc622121d6659d28cc39daf5b3.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1488 wrote to memory of 2660 1488 99ce3bdc622121d6659d28cc39daf5b3.exe 28 PID 1488 wrote to memory of 2660 1488 99ce3bdc622121d6659d28cc39daf5b3.exe 28 PID 1488 wrote to memory of 2660 1488 99ce3bdc622121d6659d28cc39daf5b3.exe 28 PID 1488 wrote to memory of 2660 1488 99ce3bdc622121d6659d28cc39daf5b3.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exe"C:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exeC:\Users\Admin\AppData\Local\Temp\99ce3bdc622121d6659d28cc39daf5b3.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:2660
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.5MB
MD5264463cc4d7425bd9067967d5483700a
SHA1b78bafa9f9de7e6832758aa6abc796ddf032bd95
SHA25611008e68a6ece583e7ff7de0d72473037a1b05d1dadb01bf0052015c580b3945
SHA5121b25c54a81fbe939fd598393d46c657bf7d248996f074f0124f4ecd22c1329e36f8f47d1b40ca65d4dcbc74dd1f6c5716c9a78d47c35ec241d4b31265b11d6a4