Analysis
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max time kernel
151s -
max time network
190s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 03:27
Static task
static1
Behavioral task
behavioral1
Sample
67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe
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Size
128KB
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MD5
2de484facb120f5554b05c58ad00f563
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SHA1
1775e2f4f63dd225be4fc872d4adffbe14259c0d
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SHA256
67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122
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SHA512
6427c38ea73ce30a5e05fa7a9ca6e16e84b07e8afbf93b271d96918c697823adb9f820f65463bb95e7a64cadefcfe0a18aec781ecd020ca6fd306ab20d6a1380
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SSDEEP
1536:aLkkbuIXVHKTU097h9Z1SFlc4IE3IezPoVtTqtFyUoHnkHUS65Bciu+HnXtk:SkkbugKTU0bz1mWAojqbdB+HS
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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nerah.exe -
Executes dropped EXE 1 IoCs
pid Process 824 nerah.exe -
Loads dropped DLL 2 IoCs
pid Process 1200 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe 1200 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe -
Adds Run key to start application 2 TTPs 58 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /m" 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /s" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /g" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /h" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /k" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /t" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /a" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /h" nerah.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /b" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /p" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /y" nerah.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /u" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /x" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /v" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /l" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /e" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /y" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /n" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /o" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /q" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /t" 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /l" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /j" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /c" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /q" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /c" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /w" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /i" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /p" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /z" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /o" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /a" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /e" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /d" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /w" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /u" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /k" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /i" nerah.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /r" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /f" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /m" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /s" nerah.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /v" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /z" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /m" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /d" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /r" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /x" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /g" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /t" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /b" nerah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /f" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /n" nerah.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nerah = "C:\\Users\\Admin\\nerah.exe /j" nerah.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 1200 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe 824 nerah.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1200 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe 824 nerah.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1200 wrote to memory of 824 1200 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe 28 PID 1200 wrote to memory of 824 1200 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe 28 PID 1200 wrote to memory of 824 1200 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe 28 PID 1200 wrote to memory of 824 1200 67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.exe"C:\Users\Admin\AppData\Local\Temp\67cce9a25d65adb0d9b3cb88cde24590790ca7a2f8c83f0730a244f5b150e122.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:1200 -
C:\Users\Admin\nerah.exe"C:\Users\Admin\nerah.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:824
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
128KB
MD5aecdaa4dd6d7528ca118f9105eed2293
SHA1daa23925e1c8e005e28a3cf601fd2518d54f30f1
SHA256e8b13ce9494d20b653fa535e37026bea3a3582818b8ca3ba13c5634ba6a0811b
SHA512c2d6172784b8b02a2f40133bc40796cd8d8a490d0ca9c1a246d4e380975a8c2beb9f0b49b1a1b6c90f408182f3d8fcddd567852715d05ea43686bd3a7ba526fa
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Filesize
128KB
MD5aecdaa4dd6d7528ca118f9105eed2293
SHA1daa23925e1c8e005e28a3cf601fd2518d54f30f1
SHA256e8b13ce9494d20b653fa535e37026bea3a3582818b8ca3ba13c5634ba6a0811b
SHA512c2d6172784b8b02a2f40133bc40796cd8d8a490d0ca9c1a246d4e380975a8c2beb9f0b49b1a1b6c90f408182f3d8fcddd567852715d05ea43686bd3a7ba526fa
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Filesize
128KB
MD5aecdaa4dd6d7528ca118f9105eed2293
SHA1daa23925e1c8e005e28a3cf601fd2518d54f30f1
SHA256e8b13ce9494d20b653fa535e37026bea3a3582818b8ca3ba13c5634ba6a0811b
SHA512c2d6172784b8b02a2f40133bc40796cd8d8a490d0ca9c1a246d4e380975a8c2beb9f0b49b1a1b6c90f408182f3d8fcddd567852715d05ea43686bd3a7ba526fa
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Filesize
128KB
MD5aecdaa4dd6d7528ca118f9105eed2293
SHA1daa23925e1c8e005e28a3cf601fd2518d54f30f1
SHA256e8b13ce9494d20b653fa535e37026bea3a3582818b8ca3ba13c5634ba6a0811b
SHA512c2d6172784b8b02a2f40133bc40796cd8d8a490d0ca9c1a246d4e380975a8c2beb9f0b49b1a1b6c90f408182f3d8fcddd567852715d05ea43686bd3a7ba526fa