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Analysis
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max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
04/10/2023, 14:58
Behavioral task
behavioral1
Sample
China-Linked Cyber Actors Hide in Router Firmware.pdf
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
China-Linked Cyber Actors Hide in Router Firmware.pdf
Resource
win10v2004-20230915-en
General
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Target
China-Linked Cyber Actors Hide in Router Firmware.pdf
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Size
651KB
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MD5
25a175cc62c22b8246f2c7f7f2230757
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SHA1
e2c8bde5a7ba2ea24174ff309e0647525bea1605
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SHA256
c98a3d79bda15c171adfc6d364937f9d64bde017df5282e7f99bc56ba93fcbfe
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SHA512
a31aa76d35af21d3429bd3042037fdc7991568ce887e133f66397ee949a5fabfa426e4192a74b4b2fceafc5c55a220b642d05a059217860b8a76cdfdc1a96824
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SSDEEP
12288:HOvoQ/p22rj2Oh6z+U6Rlr9pr45X7COVjNI8Ld05y0NuIMiRoqmZW3dw/wn+5VOZ:HOvJBF2OEyDjydtdq2qmENl+nOojCBfJ
Malware Config
Signatures
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1724 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1724 AcroRd32.exe 1724 AcroRd32.exe 1724 AcroRd32.exe
Processes
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C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\China-Linked Cyber Actors Hide in Router Firmware.pdf"1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1724
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
3KB
MD5611bcc6e6f5fb3ea49aa5587a54921ba
SHA1052d60ab76eecff9b360007866f1c7fdc5e4f1c1
SHA256bd7be99cd6cf9e978e048fb2de305eb94181d01c7931af2916c863eaa5ffe07b
SHA512abe647c6aa07afb8b6c5e4c0acb07d72ec8d4ec6b81d6b58fbd8e1edb8782dc7201df28a77eb6535d43e18fc63d9e3e090bd0e53876f2e464fc572dcf9bc06c8