Analysis
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max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
21-05-2024 05:49
Behavioral task
behavioral1
Sample
fish_bot.dll
Resource
win7-20240508-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
fish_bot.dll
Resource
win10v2004-20240226-en
4 signatures
150 seconds
General
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Target
fish_bot.dll
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Size
5.9MB
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MD5
f9c79c85b4b3c19cb79dfd3a0dc57ad6
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SHA1
b90eb71b76d21bbf9f2e423e73c3740e8f0fdfcb
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SHA256
e9b99fe11deed4c076fd2f176d6c7c1dc180752b843a084c5baed87a8a71f771
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SHA512
d658936b63c9ef61510dc4a8028e09c8d7f22b0bc87a4e4b3fc5ca4c9eac0cf8e3ce6292a2cd40b3afad3702b5b0f5b2225f7a24b79184fbecbf69ed24322097
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SSDEEP
98304:96NYNpvKBmNvn+n0YW+G+v5U2nTV8UKlLMqe0c0rgKh1e+QCNEKNih+yUs1y:xpL1+nforUaV5+las0
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2056-1-0x0000000073070000-0x0000000073ACE000-memory.dmp vmprotect behavioral1/memory/2056-12-0x0000000073070000-0x0000000073ACE000-memory.dmp vmprotect behavioral1/memory/2056-15-0x0000000073070000-0x0000000073ACE000-memory.dmp vmprotect -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2056 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2056 rundll32.exe 2056 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2488 wrote to memory of 2056 2488 rundll32.exe 28 PID 2488 wrote to memory of 2056 2488 rundll32.exe 28 PID 2488 wrote to memory of 2056 2488 rundll32.exe 28 PID 2488 wrote to memory of 2056 2488 rundll32.exe 28 PID 2488 wrote to memory of 2056 2488 rundll32.exe 28 PID 2488 wrote to memory of 2056 2488 rundll32.exe 28 PID 2488 wrote to memory of 2056 2488 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\fish_bot.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\fish_bot.dll,#12⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2056
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