Analysis
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max time kernel
150s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe
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Size
248KB
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MD5
6a7836e7c73d3f27b8fe2a66cde9b982
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SHA1
1d34d33dd16ffa656ae842453cc9c929f73bde3d
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SHA256
2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d
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SHA512
37255b702cf11c5678c5722cb156d9b5a739e3aa33a92902d1f185964ae5ae45bae72b1e67faf0ee540b7ed55202cee785d8fbf501bcdff06477bf4b5cf08e88
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SSDEEP
6144:toULTn7wfoEBRwwCQeqG6dQ+hP3v/eO2mbW0MtYN3fdhpUHvNlbapUutj:tUVBRYlL6dnhP3v/eO2mbW0MtYN3fdhP
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" 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" siuofej.exe -
Executes dropped EXE 1 IoCs
pid Process 112 siuofej.exe -
Loads dropped DLL 2 IoCs
pid Process 1308 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe 1308 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /O" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /w" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /T" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /j" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /K" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /Y" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /m" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /f" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /g" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /H" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /o" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /N" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /U" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /h" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /k" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /z" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /S" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /C" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /P" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /s" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /i" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /R" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /E" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /A" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /M" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /I" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /n" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /p" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /t" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /u" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /J" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /G" siuofej.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /Q" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /x" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /v" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /F" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /q" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /l" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /y" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /d" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /X" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /b" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /Z" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /B" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /b" 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /c" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /W" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /L" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /D" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /e" siuofej.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /a" siuofej.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\siuofej = "C:\\Users\\Admin\\siuofej.exe /r" siuofej.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 1308 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe 112 siuofej.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1308 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe 112 siuofej.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1308 wrote to memory of 112 1308 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe 27 PID 1308 wrote to memory of 112 1308 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe 27 PID 1308 wrote to memory of 112 1308 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe 27 PID 1308 wrote to memory of 112 1308 2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.exe"C:\Users\Admin\AppData\Local\Temp\2e71bb5bdadccefa65bae2dd4baa571540520b6655014c23a4b8675214793a1d.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:1308 -
C:\Users\Admin\siuofej.exe"C:\Users\Admin\siuofej.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:112
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
248KB
MD576dd3f856003837b3beed8f717a0bac3
SHA14629d99a8b224a9514c6aca821fc6e0645f92195
SHA2565eb7a0f27ea07b34fb7b9888454777d37091fb7ac18b655c8750438ae0c5d19f
SHA512ebe598cd2855dab968d2ca9f463aa51bbd6a347aae9fd999147eca02295f448a691cedc2ed57573674ba978cc7c3ff5b4cbe35f0ad1209509b34093490d81250
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Filesize
248KB
MD576dd3f856003837b3beed8f717a0bac3
SHA14629d99a8b224a9514c6aca821fc6e0645f92195
SHA2565eb7a0f27ea07b34fb7b9888454777d37091fb7ac18b655c8750438ae0c5d19f
SHA512ebe598cd2855dab968d2ca9f463aa51bbd6a347aae9fd999147eca02295f448a691cedc2ed57573674ba978cc7c3ff5b4cbe35f0ad1209509b34093490d81250
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Filesize
248KB
MD576dd3f856003837b3beed8f717a0bac3
SHA14629d99a8b224a9514c6aca821fc6e0645f92195
SHA2565eb7a0f27ea07b34fb7b9888454777d37091fb7ac18b655c8750438ae0c5d19f
SHA512ebe598cd2855dab968d2ca9f463aa51bbd6a347aae9fd999147eca02295f448a691cedc2ed57573674ba978cc7c3ff5b4cbe35f0ad1209509b34093490d81250
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Filesize
248KB
MD576dd3f856003837b3beed8f717a0bac3
SHA14629d99a8b224a9514c6aca821fc6e0645f92195
SHA2565eb7a0f27ea07b34fb7b9888454777d37091fb7ac18b655c8750438ae0c5d19f
SHA512ebe598cd2855dab968d2ca9f463aa51bbd6a347aae9fd999147eca02295f448a691cedc2ed57573674ba978cc7c3ff5b4cbe35f0ad1209509b34093490d81250