Analysis
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max time kernel
151s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 23:48
Static task
static1
Behavioral task
behavioral1
Sample
c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe
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Size
244KB
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MD5
dd3295f36b65c22f59615443390a8637
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SHA1
9405910f2b2a380f29630ad35996c0922607ea9f
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SHA256
c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541
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SHA512
53b6b912fa8f5ec3bfaa90bb8c6d811ffa0b178ae8de74e1b840254ae872aedb8979095751f5ad894ec20cca08488a76241d959622414e876d0e6755ab7707ec
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SSDEEP
3072:qjD2lWO5hcy1imsW7A0g3XDYHYTvZm3ov5Q4/cMIVH5bEvhSSqeLSqnj+v:kKMCyy1imdJgc4s2QRhH5IX
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" neiob.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe -
Executes dropped EXE 1 IoCs
pid Process 2044 neiob.exe -
Loads dropped DLL 2 IoCs
pid Process 868 c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe 868 c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /p" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /b" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /x" c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /e" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /f" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /x" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /g" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /h" neiob.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /d" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /c" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /o" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /q" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /a" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /s" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /v" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /j" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /n" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /y" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /t" neiob.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /i" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /k" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /r" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /m" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /w" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /z" neiob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\neiob = "C:\\Users\\Admin\\neiob.exe /u" neiob.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 868 c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe 2044 neiob.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 868 c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe 2044 neiob.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 868 wrote to memory of 2044 868 c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe 27 PID 868 wrote to memory of 2044 868 c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe 27 PID 868 wrote to memory of 2044 868 c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe 27 PID 868 wrote to memory of 2044 868 c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe"C:\Users\Admin\AppData\Local\Temp\c8d7ac5bfef71ef826e1d5c51eacce5e95b3e2e195ff3db58014f6e3b233c541.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Users\Admin\neiob.exe"C:\Users\Admin\neiob.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2044
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
244KB
MD5e00df91cca9413367aaf0b94f2973666
SHA1b6bf52dbce71102c568b5e5e9c684785bc2dd799
SHA2568ba51aae61a45e57d92dcf8841f9bacff4e1e43c9284bac591c766326d4a3fba
SHA512143e793b47e6127075e822f62c6c71aa7b2ca3c438e04c7e44e5cbc7bbecb5477117f9bb8bbc1a240969c5cb8eef3d5fbdbfcd6575fcd26d3bf54ef2a5ddd021
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Filesize
244KB
MD5e00df91cca9413367aaf0b94f2973666
SHA1b6bf52dbce71102c568b5e5e9c684785bc2dd799
SHA2568ba51aae61a45e57d92dcf8841f9bacff4e1e43c9284bac591c766326d4a3fba
SHA512143e793b47e6127075e822f62c6c71aa7b2ca3c438e04c7e44e5cbc7bbecb5477117f9bb8bbc1a240969c5cb8eef3d5fbdbfcd6575fcd26d3bf54ef2a5ddd021
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Filesize
244KB
MD5e00df91cca9413367aaf0b94f2973666
SHA1b6bf52dbce71102c568b5e5e9c684785bc2dd799
SHA2568ba51aae61a45e57d92dcf8841f9bacff4e1e43c9284bac591c766326d4a3fba
SHA512143e793b47e6127075e822f62c6c71aa7b2ca3c438e04c7e44e5cbc7bbecb5477117f9bb8bbc1a240969c5cb8eef3d5fbdbfcd6575fcd26d3bf54ef2a5ddd021
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Filesize
244KB
MD5e00df91cca9413367aaf0b94f2973666
SHA1b6bf52dbce71102c568b5e5e9c684785bc2dd799
SHA2568ba51aae61a45e57d92dcf8841f9bacff4e1e43c9284bac591c766326d4a3fba
SHA512143e793b47e6127075e822f62c6c71aa7b2ca3c438e04c7e44e5cbc7bbecb5477117f9bb8bbc1a240969c5cb8eef3d5fbdbfcd6575fcd26d3bf54ef2a5ddd021