Analysis
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max time kernel
182s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/12/2022, 03:42
Static task
static1
Behavioral task
behavioral1
Sample
133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe
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Size
148KB
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MD5
0a1f47c7d214d33292c0c6f7bc927a21
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SHA1
e6982cb98a851364b288772a03649fa6e5975821
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SHA256
133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b
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SHA512
b2332fb76c715cd3e10bc1848cfea2f2ae7626fb45292a0d2c2325ad2c1b07437530c0042d9b155ef1e35bdf1d416bb1baf05cb8286fa3a08ee81616bc138cc9
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SSDEEP
3072:xC5BVnzPVigj6G7gW1lktdVbKPkKE9qKIu64oQZiEkHsLfM:aBVz9Fj7b1eDvXI3WY4k
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tuuyi.exe -
Executes dropped EXE 1 IoCs
pid Process 1608 tuuyi.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /p" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /k" tuuyi.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /g" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /v" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /T" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /y" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /G" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /j" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /M" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /K" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /c" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /o" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /Z" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /O" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /F" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /e" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /x" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /L" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /z" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /h" tuuyi.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /w" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /Y" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /I" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /a" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /A" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /H" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /J" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /V" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /Q" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /B" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /D" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /U" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /l" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /f" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /E" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /C" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /q" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /d" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /r" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /R" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /X" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /N" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /S" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /n" 133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /i" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /s" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /m" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /t" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /b" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /W" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /u" tuuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuuyi = "C:\\Users\\Admin\\tuuyi.exe /P" tuuyi.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 1256 133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe 1256 133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe 1608 tuuyi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1256 133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe 1608 tuuyi.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1256 wrote to memory of 1608 1256 133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe 80 PID 1256 wrote to memory of 1608 1256 133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe 80 PID 1256 wrote to memory of 1608 1256 133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe"C:\Users\Admin\AppData\Local\Temp\133ee7d1468f388f0163ad4971500e1453ad5ad04f8dcc159d41c8bdf28c833b.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Users\Admin\tuuyi.exe"C:\Users\Admin\tuuyi.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:1608
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
148KB
MD5a8509e02f0a842c9ee83d389bc39a559
SHA17f7f4fa8a13ec6d509aab7450bc34f3d7f058b71
SHA2563f2915917cd0ac5e2454cd41d532ef007547578a3d97af7ec87858e1fad48c77
SHA512e5394e49963d662ca1febe4bf27ec8521f2b4cee57d10ab7dc9e182e74ba5a376d1fe226580e6c7e3764f67734f8837aba5e594348a8b1b229e4381c18388fbc
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Filesize
148KB
MD5a8509e02f0a842c9ee83d389bc39a559
SHA17f7f4fa8a13ec6d509aab7450bc34f3d7f058b71
SHA2563f2915917cd0ac5e2454cd41d532ef007547578a3d97af7ec87858e1fad48c77
SHA512e5394e49963d662ca1febe4bf27ec8521f2b4cee57d10ab7dc9e182e74ba5a376d1fe226580e6c7e3764f67734f8837aba5e594348a8b1b229e4381c18388fbc