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Analysis
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max time kernel
150s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 15:59
Static task
static1
Behavioral task
behavioral1
Sample
9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe
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Size
224KB
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MD5
825269921503dbc03e3a58b466064bc2
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SHA1
21ef1a4138aa8c209bd816a6e69ef33161423e1c
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SHA256
9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325
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SHA512
fdcbb3176866a1817e18bbcc66bb8f576a0165218ce6bdca20e3a6e0654c062bbef70d1455d0a99330e088c25b89e0a6144fadd26f4c68127d14ee865b30995e
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SSDEEP
3072:vXyqNsMoBuNMZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax2W:6qN5ep4LnbmlrZ3y
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bieeram.exe -
Executes dropped EXE 1 IoCs
pid Process 1948 bieeram.exe -
Loads dropped DLL 2 IoCs
pid Process 1376 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe 1376 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /d" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /k" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /s" bieeram.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /w" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /i" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /z" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /t" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /r" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /p" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /f" 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /a" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /u" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /c" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /n" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /e" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /m" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /v" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /j" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /g" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /q" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /b" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /f" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /o" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /x" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /y" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /l" bieeram.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieeram = "C:\\Users\\Admin\\bieeram.exe /h" bieeram.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 1376 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe 1948 bieeram.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1376 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe 1948 bieeram.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1376 wrote to memory of 1948 1376 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe 26 PID 1376 wrote to memory of 1948 1376 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe 26 PID 1376 wrote to memory of 1948 1376 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe 26 PID 1376 wrote to memory of 1948 1376 9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.exe"C:\Users\Admin\AppData\Local\Temp\9aa8d3e3215254b3feeac4c57c45c8a75240ede9f8b87ca15ff4175c24ce0325.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:1376 -
C:\Users\Admin\bieeram.exe"C:\Users\Admin\bieeram.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:1948
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD5119d013dfcd1e4acacf8a6ec509e8b37
SHA1261d962466b4dfb7e13c7d27bdc22ad4928993f6
SHA256e6343effaa9bd89e5d0af34ed8642b386ae8657f437da49c17548d98e3ddd362
SHA51292576ded1e53cfddca8556b599ecdc50cce55f83c0cc4c7682e5c6921540c117d27cc0e0f279193dff9421119d56ca1ff1fd0af0d29510a9951b446f2a5f5027
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Filesize
224KB
MD5119d013dfcd1e4acacf8a6ec509e8b37
SHA1261d962466b4dfb7e13c7d27bdc22ad4928993f6
SHA256e6343effaa9bd89e5d0af34ed8642b386ae8657f437da49c17548d98e3ddd362
SHA51292576ded1e53cfddca8556b599ecdc50cce55f83c0cc4c7682e5c6921540c117d27cc0e0f279193dff9421119d56ca1ff1fd0af0d29510a9951b446f2a5f5027
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Filesize
224KB
MD5119d013dfcd1e4acacf8a6ec509e8b37
SHA1261d962466b4dfb7e13c7d27bdc22ad4928993f6
SHA256e6343effaa9bd89e5d0af34ed8642b386ae8657f437da49c17548d98e3ddd362
SHA51292576ded1e53cfddca8556b599ecdc50cce55f83c0cc4c7682e5c6921540c117d27cc0e0f279193dff9421119d56ca1ff1fd0af0d29510a9951b446f2a5f5027
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Filesize
224KB
MD5119d013dfcd1e4acacf8a6ec509e8b37
SHA1261d962466b4dfb7e13c7d27bdc22ad4928993f6
SHA256e6343effaa9bd89e5d0af34ed8642b386ae8657f437da49c17548d98e3ddd362
SHA51292576ded1e53cfddca8556b599ecdc50cce55f83c0cc4c7682e5c6921540c117d27cc0e0f279193dff9421119d56ca1ff1fd0af0d29510a9951b446f2a5f5027