Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
09/05/2024, 03:26
Behavioral task
behavioral1
Sample
a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe
Resource
win7-20240221-en
6 signatures
150 seconds
General
- Target a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe
- Size 109KB
- Sample240509-dzah5aah47
- SHA256 a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3
- MD5 cd46dcff3ac03fd8f55ec90fcfe35bb5
- SHA1 0720befbacd39abc9e7258fc300c18756a22ddb0
- SHA512 aeaa6710fd9505f4b88a50a1ae0caa05a6eb9e535a03caffd2feab3422d56d0a3b77bcb43687c9d458f9145e8c10b9aa8ab07da7a829ffeb5cacf51aa672115d
- SSDEEP 3072:Uk4/L3EPTOdNHM9g54vnM8FD1Lsm1Mn75kT:OEPKdNsDvnDUmT
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x00080000000233e8-8.dat acprotect - Loads dropped DLL 2 IoCs
pid Process 2044 a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe 2044 a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe -
resource yara_rule behavioral2/memory/2044-0-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/2044-1-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/2044-2-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/files/0x00080000000233e8-8.dat upx behavioral2/memory/2044-11-0x0000000000430000-0x000000000046C000-memory.dmp upx behavioral2/memory/2044-12-0x0000000000430000-0x000000000046C000-memory.dmp upx behavioral2/memory/2044-13-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/2044-15-0x0000000000430000-0x000000000046C000-memory.dmp upx - Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A91F8EF7-3F96-4025-B082-5591535F0462} a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe - Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A91F8EF7-3F96-4025-B082-5591535F0462} a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A91F8EF7-3F96-4025-B082-5591535F0462}\InprocServer32\ = "C:\\Windows\\SysWow64\\AuthFWG.dll" a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A91F8EF7-3F96-4025-B082-5591535F0462}\InprocServer32\ThreadingModel = "apartment" a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A91F8EF7-3F96-4025-B082-5591535F0462}\InprocServer32 a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2044 a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe 2044 a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe"C:\Users\Admin\AppData\Local\Temp\a1b12da4949b7d32a534d3277d55bb699ac5bcfb75e023af0b5d25b83a097ff3.exe"1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2044
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\AuthFWG.dll
- Size 86KB
- SHA256 3ca90dd82678eb01d38cee4397b395709ecea7b02c8e1af358a8d42161f67c3b
- MD5 b95c02005b1f87e3939ce538d9b3903d
- SHA1 12857a88cc2caf6e387e686d9e6cd73d1d3865cd
- SHA512 731503a1081afa475f1524e45a17309fe92898a7f594cb0be8f0f575bd60b203c41d3f498345591bec67fa7c4795eb8e9b100128e2127495285d8994af708658
- SSDEEP 1536:MYvynn+A2VBxI5LiV4Xu7HKJd6P5X+/jZgrWfvN+E5DmqZG:Zv4+AkxsLy4eLKJd6hGNgrWfIK
- MD5 SHA1 SHA512 SSDEEP