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Analysis
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max time kernel
151s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 17:02
Static task
static1
Behavioral task
behavioral1
Sample
cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe
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Size
108KB
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MD5
af043140a3fea6487413027b04c8f1f8
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SHA1
c83ef91ccf8a33018f151d44924617eb9c4e876c
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SHA256
cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a
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SHA512
4df3d452a9aea20024498cae09ade2938e1de7d91d20d3358f6a04df48f77b34d12653525c8cc742d901ddf6bdf863060b0085b1721b8ca570ed56348d344afd
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SSDEEP
1536:M6CZKiB6oQ7Lh5+sXmNt0ttJPXLq0zTrkC:7ImoIeZt0XTzToC
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nbwaz.exe -
Executes dropped EXE 1 IoCs
pid Process 1480 nbwaz.exe -
Loads dropped DLL 2 IoCs
pid Process 112 cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe 112 cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /n" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /b" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /k" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /a" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /h" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /p" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /r" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /d" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /f" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /e" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /o" nbwaz.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /l" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /x" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /u" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /w" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /z" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /v" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /m" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /q" cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /i" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /t" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /y" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /s" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /c" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /g" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /j" nbwaz.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\nbwaz = "C:\\Users\\Admin\\nbwaz.exe /q" nbwaz.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 112 cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe 1480 nbwaz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 112 cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe 1480 nbwaz.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 112 wrote to memory of 1480 112 cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe 27 PID 112 wrote to memory of 1480 112 cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe 27 PID 112 wrote to memory of 1480 112 cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe 27 PID 112 wrote to memory of 1480 112 cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.exe"C:\Users\Admin\AppData\Local\Temp\cba1c4ad11d46e8a54e7ef3a412a0b983f45f30c7907cd2edb8dacfa00a7975a.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:112 -
C:\Users\Admin\nbwaz.exe"C:\Users\Admin\nbwaz.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:1480
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
108KB
MD5e9c850eadd5430e6f626789c36835dc5
SHA1dc3b6bf28a8e97c4498b2254edfc556a13e9979b
SHA256e8682f18ae0d00da9562ecdb4d95bd96ddaf5bac99871f643398fcc6527d0868
SHA51259d59bdc1d4677e5e4c0c76fb645a31916098fbcbbd669b5280b6dda5344bb5e8e13e1fe2e9cb152abf9020dad46ff282c1b6688892c55ac7796e609d9ad8c0e
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Filesize
108KB
MD5e9c850eadd5430e6f626789c36835dc5
SHA1dc3b6bf28a8e97c4498b2254edfc556a13e9979b
SHA256e8682f18ae0d00da9562ecdb4d95bd96ddaf5bac99871f643398fcc6527d0868
SHA51259d59bdc1d4677e5e4c0c76fb645a31916098fbcbbd669b5280b6dda5344bb5e8e13e1fe2e9cb152abf9020dad46ff282c1b6688892c55ac7796e609d9ad8c0e
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Filesize
108KB
MD5e9c850eadd5430e6f626789c36835dc5
SHA1dc3b6bf28a8e97c4498b2254edfc556a13e9979b
SHA256e8682f18ae0d00da9562ecdb4d95bd96ddaf5bac99871f643398fcc6527d0868
SHA51259d59bdc1d4677e5e4c0c76fb645a31916098fbcbbd669b5280b6dda5344bb5e8e13e1fe2e9cb152abf9020dad46ff282c1b6688892c55ac7796e609d9ad8c0e
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Filesize
108KB
MD5e9c850eadd5430e6f626789c36835dc5
SHA1dc3b6bf28a8e97c4498b2254edfc556a13e9979b
SHA256e8682f18ae0d00da9562ecdb4d95bd96ddaf5bac99871f643398fcc6527d0868
SHA51259d59bdc1d4677e5e4c0c76fb645a31916098fbcbbd669b5280b6dda5344bb5e8e13e1fe2e9cb152abf9020dad46ff282c1b6688892c55ac7796e609d9ad8c0e