Analysis
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max time kernel
142s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
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submitted
05-02-2025 08:47
General
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Target
Swift Copy_pdf.exe
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Size
841KB
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MD5
cc86a2d1aa5d4ce697fef188fb594387
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SHA1
a493d0379440276a412338956e25831656c66027
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SHA256
3d35fbba35ef81091a6e0e39044429f852ff55314095081f2f9a8f10feca026e
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SHA512
3e1b90486bd1f437a56b7a30fc6ebf2689fa11e26d88ae5ef1a546942a3109bf53a9a1214907ff0390108007efb31afea36d204324821070fd3b12c2bd7deda3
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SSDEEP
24576:Q4nbY9dZZZZZZZZZZyB9LvHZsU0T1c53evvV3HQmhQ436/zO:Q+qZZZZZZZZZZANvHZtZevv1wzq6i
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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Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
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Disables Task Manager via registry modification
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Loads dropped DLL 2 IoCs
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 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: EnumeratesProcesses 1 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Swift Copy_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Swift Copy_pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Swift Copy_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Swift Copy_pdf.exe"2⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11KB
MD593066b05f4d44458fca79ae8f224eb61
SHA153aed2782bdced333a43b4ba2e44626be9523a7d
SHA256d201c46604ea15c19901f24f0effc0e0c1092b20a979ddbbf44775aea7114400
SHA51212d6f4cb1f2a5f6ac4dd4994317ca3020bedd4f51b2ed8cc5a2a1bd684d9b8a1914f0645754578ca8c45ae531cab09ab9b21b9d471481eab42e283ce172044db
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Filesize
12KB
MD5d6f54d2cefdf58836805796f55bfc846
SHA1b980addc1a755b968dd5799179d3b4f1c2de9d2d
SHA256f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9
SHA512ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db
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Filesize
18.3MB
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Filesize
60.8MB
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Filesize
7.7MB
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Filesize
60.8MB
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Filesize
4KB
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Filesize
4KB
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Filesize
18.3MB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
4KB
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Filesize
120KB
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Filesize
40KB
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Filesize
5.6MB
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Filesize
624KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
320KB
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Filesize
1.8MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
4KB
