Analysis
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max time kernel
150s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
03-11-2024 19:53
General
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Target
Spec_Tender_3003_850-07-November-2024_PDF.exe
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Size
851KB
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MD5
629be165860d2336755de85467756639
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SHA1
af1da57d01a00bf942e127cce60fb4208bfd9795
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SHA256
e9617a78c93e6d5cdc1087dfa6e9bf9d63406e05b6b01135c189242a7c33718c
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SHA512
418f56a804212158033b1ae592cafeb8fa1c5a0d9506eb541beb7762c23ebfe5c61dbac8588c350816c229e9f6d77457e361423146874695976c1b8d9267cbff
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SSDEEP
24576:ZNAsPMh+Cdd8509puHmATonQ1htKzWbGWO:dPMvA509pkonAhtHbnO
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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Loads dropped DLL 2 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 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: EnumeratesProcesses 2 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Spec_Tender_3003_850-07-November-2024_PDF.exe"C:\Users\Admin\AppData\Local\Temp\Spec_Tender_3003_850-07-November-2024_PDF.exe"1⤵
- 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:\Users\Admin\AppData\Local\Temp\Spec_Tender_3003_850-07-November-2024_PDF.exe"C:\Users\Admin\AppData\Local\Temp\Spec_Tender_3003_850-07-November-2024_PDF.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD5be2621a78a13a56cf09e00dd98488360
SHA175f0539dc6af200a07cdb056cddddec595c6cfd2
SHA256852047023ba0cae91c7a43365878613cfb4e64e36ff98c460e113d5088d68ef5
SHA512b80cf1f678e6885276b9a1bfd9227374b2eb9e38bb20446d52ebe2c3dba89764aa50cb4d49df51a974478f3364b5dbcbc5b4a16dc8f1123b40c89c01725be3d1
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Filesize
21.6MB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
21.6MB
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Filesize
18.3MB
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Filesize
21.6MB
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Filesize
4KB
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Filesize
21.6MB
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Filesize
4KB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
1.1MB
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Filesize
18.3MB
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Filesize
18.3MB