Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
22-07-2023 01:07
Behavioral task
behavioral1
Sample
e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exe
Resource
win10v2004-20230703-en
General
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Target
e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exe
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Size
37KB
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MD5
25ce3e5e7542494839e7af1037d01b75
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SHA1
a0a429037733f0d952d10fe2b17e86bfc91fad8e
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SHA256
e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de
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SHA512
565398f500601bf5942897987414315bc4ddc0b980df24d672bfc0c2987ba7d1c4562e0cbb022bc8dce481202096d086d056987ba2b4c8fd66c262f8cbd7c0ce
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SSDEEP
384:6IDIUiFubK7FmpE8QyEfeyfZOfnSFtrAF+rMRTyN/0L+EcoinblneHQM3epzXiNw:9d2n8LEfeygvS3rM+rMRa8NuwKt
Malware Config
Extracted
njrat
im523
lox
6.tcp.eu.ngrok.io:16154
bf3a4c0ea202ee07bb0bc0988c661a2a
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reg_key
bf3a4c0ea202ee07bb0bc0988c661a2a
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bf3a4c0ea202ee07bb0bc0988c661a2a.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bf3a4c0ea202ee07bb0bc0988c661a2a.exe svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 2024 svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exepid process 1976 e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Windows\CurrentVersion\Run\bf3a4c0ea202ee07bb0bc0988c661a2a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\bf3a4c0ea202ee07bb0bc0988c661a2a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." svchost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
svchost.exepid process 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe 2024 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
svchost.exepid process 2024 svchost.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
Processes:
svchost.exedescription pid process Token: SeDebugPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe Token: 33 2024 svchost.exe Token: SeIncBasePriorityPrivilege 2024 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exesvchost.exedescription pid process target process PID 1976 wrote to memory of 2024 1976 e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exe svchost.exe PID 1976 wrote to memory of 2024 1976 e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exe svchost.exe PID 1976 wrote to memory of 2024 1976 e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exe svchost.exe PID 1976 wrote to memory of 2024 1976 e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exe svchost.exe PID 2024 wrote to memory of 2568 2024 svchost.exe netsh.exe PID 2024 wrote to memory of 2568 2024 svchost.exe netsh.exe PID 2024 wrote to memory of 2568 2024 svchost.exe netsh.exe PID 2024 wrote to memory of 2568 2024 svchost.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exe"C:\Users\Admin\AppData\Local\Temp\e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\svchost.exeFilesize
37KB
MD525ce3e5e7542494839e7af1037d01b75
SHA1a0a429037733f0d952d10fe2b17e86bfc91fad8e
SHA256e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de
SHA512565398f500601bf5942897987414315bc4ddc0b980df24d672bfc0c2987ba7d1c4562e0cbb022bc8dce481202096d086d056987ba2b4c8fd66c262f8cbd7c0ce
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C:\Users\Admin\AppData\Local\Temp\svchost.exeFilesize
37KB
MD525ce3e5e7542494839e7af1037d01b75
SHA1a0a429037733f0d952d10fe2b17e86bfc91fad8e
SHA256e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de
SHA512565398f500601bf5942897987414315bc4ddc0b980df24d672bfc0c2987ba7d1c4562e0cbb022bc8dce481202096d086d056987ba2b4c8fd66c262f8cbd7c0ce
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bf3a4c0ea202ee07bb0bc0988c661a2a.exeFilesize
37KB
MD525ce3e5e7542494839e7af1037d01b75
SHA1a0a429037733f0d952d10fe2b17e86bfc91fad8e
SHA256e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de
SHA512565398f500601bf5942897987414315bc4ddc0b980df24d672bfc0c2987ba7d1c4562e0cbb022bc8dce481202096d086d056987ba2b4c8fd66c262f8cbd7c0ce
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\Users\Admin\AppData\Local\Temp\svchost.exeFilesize
37KB
MD525ce3e5e7542494839e7af1037d01b75
SHA1a0a429037733f0d952d10fe2b17e86bfc91fad8e
SHA256e5540cffba128c0d852016d11e6e154445f83b146aee17a82e9f45ac876d10de
SHA512565398f500601bf5942897987414315bc4ddc0b980df24d672bfc0c2987ba7d1c4562e0cbb022bc8dce481202096d086d056987ba2b4c8fd66c262f8cbd7c0ce
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memory/1976-64-0x0000000074490000-0x0000000074A3B000-memory.dmpFilesize
5.7MB
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memory/1976-56-0x0000000000570000-0x00000000005B0000-memory.dmpFilesize
256KB
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memory/1976-54-0x0000000074490000-0x0000000074A3B000-memory.dmpFilesize
5.7MB
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memory/1976-55-0x0000000074490000-0x0000000074A3B000-memory.dmpFilesize
5.7MB
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memory/2024-65-0x0000000074490000-0x0000000074A3B000-memory.dmpFilesize
5.7MB
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memory/2024-66-0x0000000074490000-0x0000000074A3B000-memory.dmpFilesize
5.7MB
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memory/2024-67-0x0000000002320000-0x0000000002360000-memory.dmpFilesize
256KB
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memory/2024-69-0x0000000074490000-0x0000000074A3B000-memory.dmpFilesize
5.7MB
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memory/2024-70-0x0000000002320000-0x0000000002360000-memory.dmpFilesize
256KB