Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
14-11-2024 06:53
General
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Target
Quote inquiry no#52066 Y166-744850 BW_202341971325 N230_520S4.exe
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Size
242KB
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MD5
bd85503dd4bb3ccd9c6c294d3767d8e6
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SHA1
d98455443474b9aef06f1bff242a52e8bb4ec6d0
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SHA256
28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d
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SHA512
b6eeaa15f7c6573ec15208bc071d1d953404c7bd3cd06e4bd0cb2ab93e7678eb2c7425c7fe317c5f0e7f5fc9145cb14686c8157b5a0ab0b6e8a00bd6b0e2972d
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SSDEEP
6144:oIw3gEzFzShNZA1lZqrq6DHSCf7NVMf/WB/UvuEIN:jA2Ha172xSE7LMXWlUvuES
Malware Config
Signatures
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
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Loads dropped DLL 49 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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: MapViewOfSection 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Quote inquiry no#52066 Y166-744850 BW_202341971325 N230_520S4.exe"C:\Users\Admin\AppData\Local\Temp\Quote inquiry no#52066 Y166-744850 BW_202341971325 N230_520S4.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Users\Admin\AppData\Local\Temp\Quote inquiry no#52066 Y166-744850 BW_202341971325 N230_520S4.exe"2⤵
- Checks QEMU agent file
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD59625d5b1754bc4ff29281d415d27a0fd
SHA180e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SHA256c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
SHA512dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b
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Filesize
13.1MB
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Filesize
1.1MB
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Filesize
13.1MB
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Filesize
4KB
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Filesize
13.1MB
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Filesize
4KB
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Filesize
1.1MB
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Filesize
13.1MB
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Filesize
2.2MB