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Analysis
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max time kernel
258s -
max time network
336s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 21:05
Static task
static1
Behavioral task
behavioral1
Sample
02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe
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Size
240KB
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MD5
f75dcfd3c312d8cbed4f3a2d765b4882
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SHA1
5a605f179baa2fd58b0f37065839b5c16f82455d
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SHA256
02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b
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SHA512
55902edd1a72f830e855c357f38f8768c77ba4e31d2e4552ac2e3139d531c33ae69da08f67da0525b35f146b5a9b3c8abecc93c4200111f0e572c96a481cbab4
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SSDEEP
6144:koJ5UtO7RQjX7XN1kd9JbSDviiopNDa/N08i1/W:I4xNTW
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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" douoye.exe -
Executes dropped EXE 1 IoCs
pid Process 592 douoye.exe -
Loads dropped DLL 2 IoCs
pid Process 556 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe 556 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe -
Adds Run key to start application 2 TTPs 50 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /O" 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /g" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /N" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /P" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /o" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /Q" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /Y" douoye.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /C" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /W" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /a" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /k" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /I" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /e" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /u" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /f" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /b" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /p" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /y" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /M" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /w" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /A" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /E" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /K" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /X" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /i" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /s" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /c" douoye.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /L" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /V" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /J" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /U" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /F" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /R" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /S" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /n" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /m" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /l" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /Z" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /O" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /x" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /B" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /h" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /r" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /H" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /T" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /d" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /z" douoye.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\douoye = "C:\\Users\\Admin\\douoye.exe /j" douoye.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 556 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe 592 douoye.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 556 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe 592 douoye.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 556 wrote to memory of 592 556 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe 28 PID 556 wrote to memory of 592 556 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe 28 PID 556 wrote to memory of 592 556 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe 28 PID 556 wrote to memory of 592 556 02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.exe"C:\Users\Admin\AppData\Local\Temp\02c57b6c3ef2c319f6f82e855400a5d5891e5bc187161f11aa985003727b874b.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:556 -
C:\Users\Admin\douoye.exe"C:\Users\Admin\douoye.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:592
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
240KB
MD57c53abc33f424e525ae30e632306be76
SHA1e77c99d0fbbbbd81de2666ffa97c9d206dea3e37
SHA256f393df3418be9122a838c6ecc2ae3e030d983269e21bf9fe5c16b8c1fbc62cb6
SHA512787fae759b64d9c4471e9f74223ca827ca6f367d41a1788f26fe490861f0ac57c4048dfea271998dfda83cf6875b2224e917999f4dca84f4f1c502e91a99f058
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Filesize
240KB
MD57c53abc33f424e525ae30e632306be76
SHA1e77c99d0fbbbbd81de2666ffa97c9d206dea3e37
SHA256f393df3418be9122a838c6ecc2ae3e030d983269e21bf9fe5c16b8c1fbc62cb6
SHA512787fae759b64d9c4471e9f74223ca827ca6f367d41a1788f26fe490861f0ac57c4048dfea271998dfda83cf6875b2224e917999f4dca84f4f1c502e91a99f058
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Filesize
240KB
MD57c53abc33f424e525ae30e632306be76
SHA1e77c99d0fbbbbd81de2666ffa97c9d206dea3e37
SHA256f393df3418be9122a838c6ecc2ae3e030d983269e21bf9fe5c16b8c1fbc62cb6
SHA512787fae759b64d9c4471e9f74223ca827ca6f367d41a1788f26fe490861f0ac57c4048dfea271998dfda83cf6875b2224e917999f4dca84f4f1c502e91a99f058
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Filesize
240KB
MD57c53abc33f424e525ae30e632306be76
SHA1e77c99d0fbbbbd81de2666ffa97c9d206dea3e37
SHA256f393df3418be9122a838c6ecc2ae3e030d983269e21bf9fe5c16b8c1fbc62cb6
SHA512787fae759b64d9c4471e9f74223ca827ca6f367d41a1788f26fe490861f0ac57c4048dfea271998dfda83cf6875b2224e917999f4dca84f4f1c502e91a99f058