Analysis
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max time kernel
148s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
10-10-2023 17:33
Static task
static1
Behavioral task
behavioral1
Sample
47ac55851c62e30f0553a5d32f2b6a128f532b9904fbf5e100b53895ec8a86ca_JC.js
Resource
win7-20230831-en
General
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Target
47ac55851c62e30f0553a5d32f2b6a128f532b9904fbf5e100b53895ec8a86ca_JC.js
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Size
453KB
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MD5
811a102d237ae380b2d9517fa79f2c6d
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SHA1
17ff05d6c71c7c3f27be24cfd46b9653de9f67f2
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SHA256
47ac55851c62e30f0553a5d32f2b6a128f532b9904fbf5e100b53895ec8a86ca
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SHA512
3fcd5e98e5dbe0fb529ca77592bc012bc8560173114dfa754d363fe621b9336485a74fa48bd8bca4f676bfc91c2dc8ad5bc69c9a3b275b02722ec4e932688680
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SSDEEP
6144:N5gPKUmu6hIe4UhL60X4dOvNJ38QJfJiDzh8qQESvpWvnR4Rt1Prz2fLFh2WR:N56fmu6mUhZVJ1J8DnRvAtlf2
Malware Config
Signatures
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Blocklisted process makes network request 18 IoCs
flow pid Process 4 2660 wscript.exe 6 2660 wscript.exe 7 2660 wscript.exe 9 2660 wscript.exe 10 2660 wscript.exe 11 2660 wscript.exe 15 2660 wscript.exe 20 2660 wscript.exe 24 2660 wscript.exe 28 2660 wscript.exe 34 2660 wscript.exe 38 2660 wscript.exe 44 2660 wscript.exe 48 2660 wscript.exe 53 2660 wscript.exe 58 2660 wscript.exe 63 2660 wscript.exe 68 2660 wscript.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ECqEVMhpHV.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ECqEVMhpHV.js wscript.exe -
Executes dropped EXE 1 IoCs
pid Process 2780 bin.exe -
Loads dropped DLL 1 IoCs
pid Process 2408 ktmutil.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2780 set thread context of 1216 2780 bin.exe 15 PID 2780 set thread context of 2408 2780 bin.exe 33 PID 2408 set thread context of 1216 2408 ktmutil.exe 15 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \Registry\User\S-1-5-21-3849525425-30183055-657688904-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 ktmutil.exe -
Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 2780 bin.exe 2780 bin.exe 2780 bin.exe 2780 bin.exe 2780 bin.exe 2780 bin.exe 2780 bin.exe 2780 bin.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1216 Explorer.EXE -
Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 2780 bin.exe 1216 Explorer.EXE 1216 Explorer.EXE 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe 2408 ktmutil.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2864 wrote to memory of 2660 2864 wscript.exe 28 PID 2864 wrote to memory of 2660 2864 wscript.exe 28 PID 2864 wrote to memory of 2660 2864 wscript.exe 28 PID 2864 wrote to memory of 2780 2864 wscript.exe 29 PID 2864 wrote to memory of 2780 2864 wscript.exe 29 PID 2864 wrote to memory of 2780 2864 wscript.exe 29 PID 2864 wrote to memory of 2780 2864 wscript.exe 29 PID 1216 wrote to memory of 2408 1216 Explorer.EXE 33 PID 1216 wrote to memory of 2408 1216 Explorer.EXE 33 PID 1216 wrote to memory of 2408 1216 Explorer.EXE 33 PID 1216 wrote to memory of 2408 1216 Explorer.EXE 33 PID 2408 wrote to memory of 1680 2408 ktmutil.exe 38 PID 2408 wrote to memory of 1680 2408 ktmutil.exe 38 PID 2408 wrote to memory of 1680 2408 ktmutil.exe 38 PID 2408 wrote to memory of 1680 2408 ktmutil.exe 38 PID 2408 wrote to memory of 1680 2408 ktmutil.exe 38
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\47ac55851c62e30f0553a5d32f2b6a128f532b9904fbf5e100b53895ec8a86ca_JC.js2⤵
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ECqEVMhpHV.js"3⤵
- Blocklisted process makes network request
- Drops startup file
PID:2660
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C:\Users\Admin\AppData\Roaming\bin.exe"C:\Users\Admin\AppData\Roaming\bin.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2780
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C:\Windows\SysWOW64\ktmutil.exe"C:\Windows\SysWOW64\ktmutil.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:1680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
486KB
MD51e73cacce02ae20026a81f1e56416aa3
SHA1f491a7301ce11cf11a92c0245c7e03d927422286
SHA2560dd0dd38cde5a14e7d6d0830db62cc7037e521fd042b0b8da0763128b2c0b3f2
SHA512afe77facd8b16cc744ac2277414ffaf83436999d15eb8ac707f8098e2f8ed4cb29b430392ebe46b7fa65b20730615bc33dee9416f7141da5032a630894980a0a
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Filesize
7KB
MD5d7f1bd09dc54cdb298d18b01c350daad
SHA114389215c04486782b191d7e717604d47b4855f5
SHA2561d15ca695084184b5e58a8ea3776bb5c8d2972c1d22d8ba0ded53b00bae8807b
SHA5124fc09bf5626f1ce47a6b66b64bf9c3f22545ce481161f9b2c5e9fdc302d4d5b3e7acfd549bb24ec1405e4d93b3727abd301d957f32d44ed8d6d5cb3af7f8d976
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Filesize
244KB
MD5191c89bfc7613125182be0c6f7dc0828
SHA11f856de98621182f9885f5ceb5017806a48a19f6
SHA2560b5a9848fa4433d737febc05dafaa4f8db69d2605c8014a616fac6c4abc69c53
SHA512a1d22bfe1716682d00ae6dce97d2da37c33fcfc40a10da745f23abd837042e0016e651cabd9e12979dd2a0eb055c7f41c0d7ad8bafefb07e8203d3d4ef1f6550
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Filesize
244KB
MD5191c89bfc7613125182be0c6f7dc0828
SHA11f856de98621182f9885f5ceb5017806a48a19f6
SHA2560b5a9848fa4433d737febc05dafaa4f8db69d2605c8014a616fac6c4abc69c53
SHA512a1d22bfe1716682d00ae6dce97d2da37c33fcfc40a10da745f23abd837042e0016e651cabd9e12979dd2a0eb055c7f41c0d7ad8bafefb07e8203d3d4ef1f6550
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Filesize
244KB
MD5191c89bfc7613125182be0c6f7dc0828
SHA11f856de98621182f9885f5ceb5017806a48a19f6
SHA2560b5a9848fa4433d737febc05dafaa4f8db69d2605c8014a616fac6c4abc69c53
SHA512a1d22bfe1716682d00ae6dce97d2da37c33fcfc40a10da745f23abd837042e0016e651cabd9e12979dd2a0eb055c7f41c0d7ad8bafefb07e8203d3d4ef1f6550
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Filesize
927KB
MD57fd80b1cc72dc580c02ca4cfbfb2592d
SHA118da905af878b27151b359cf1a7d0a650764e8a1
SHA2561e6dccbdf8527abb53c289da920463b7895300d0d984cc7e91a3ecda4e673190
SHA51213f7f29b5ed31c551aa5f27742557aa4d026a226087d6fcbca094819759ecc753a2c33b7422ae88dc6a4a0a966edb8485a18e59a0283ba2686cae5d78e0190a3