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Analysis
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max time kernel
140s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
24/03/2025, 02:40
General
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Target
2025-03-24_c126134648ccd1408fb868b240d68695_.exe
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Size
627KB
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MD5
c126134648ccd1408fb868b240d68695
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SHA1
693870838334230ea02d0606d253696567b8a669
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SHA256
d16e0cf61accda34b867910b529794f438a41231f9c2451f44e3dfdd83721ad3
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SHA512
c121a1d0d8940a1e10d7956f2628f28cf13c0d2b332be6b25ac5579ec64eb609e2b1f1dd5be5ee9f03e90a3ea0f9122d2154c16df22255ddf0f5deab23658f66
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SSDEEP
12288:GTTEy2R/8MnxERV8bpUt+AC0/KVFBMuwE:GTcRUVKpticFBM8
Malware Config
Extracted
buer
https://bankcreditsign.com/
Signatures
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Buer
Buer is a new modular loader first seen in August 2019.
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Buer family
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Buer Loader 3 IoCs
Detects Buer loader in memory or disk.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-03-24_c126134648ccd1408fb868b240d68695_.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-24_c126134648ccd1408fb868b240d68695_.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -Command "& {Add-MpPreference -ExclusionPath C:\ProgramData\27f93cf607171ddc3bbe}"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
372KB
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Filesize
384KB
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Filesize
376KB
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Filesize
700KB