Analysis
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max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-10-2024 11:29
Behavioral task
behavioral1
Sample
ThunderClient(beta).exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ThunderClient(beta).exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
�ʶIg.pyc
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
�ʶIg.pyc
Resource
win10v2004-20241007-en
General
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Target
ThunderClient(beta).exe
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Size
6.9MB
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MD5
cac0db7518cf5126dc51e4c459ed9974
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SHA1
1f9c02d59f01cd217acbbea3a0f9c3e0750dce02
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SHA256
7fc6e360742fa44307a177c51b68ee12a3dcde79420ae9fe2dcced2591f08299
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SHA512
e8869f0263d331f02609cfbf9a78c08ad9294ea0e11d30b9a8737c0554d8c55caf44d0d9fed42cd05f31587e41b0089adec54e7ec7870718bc6bc8af18c0a708
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SSDEEP
98304:lPDjWM8JEE1FLqamaHl3Ne4i3Tf2PkOpfW9hZMMoVmkzhxIdfXeRpYRJJcGhEIFn:lP0xjeNTfm/pf+xk4dWRpmrbW3jmrP
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2540 ThunderClient(beta).exe -
resource yara_rule behavioral1/files/0x000500000001871c-21.dat upx behavioral1/memory/2540-23-0x000007FEF6010000-0x000007FEF65F8000-memory.dmp upx -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1736 wrote to memory of 2540 1736 ThunderClient(beta).exe 30 PID 1736 wrote to memory of 2540 1736 ThunderClient(beta).exe 30 PID 1736 wrote to memory of 2540 1736 ThunderClient(beta).exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\ThunderClient(beta).exe"C:\Users\Admin\AppData\Local\Temp\ThunderClient(beta).exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Users\Admin\AppData\Local\Temp\ThunderClient(beta).exe"C:\Users\Admin\AppData\Local\Temp\ThunderClient(beta).exe"2⤵
- Loads dropped DLL
PID:2540
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
1.6MB
MD5bb46b85029b543b70276ad8e4c238799
SHA1123bdcd9eebcac1ec0fd2764a37e5e5476bb0c1c
SHA25672c24e1db1ba4df791720a93ca9502d77c3738eebf8b9092a5d82aa8d80121d0
SHA5125e993617509c1cf434938d6a467eb0494e04580ad242535a04937f7c174d429da70a6e71792fc3de69e103ffc5d9de51d29001a4df528cfffefdaa2cef4eaf31