Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 00:35
Static task
static1
Behavioral task
behavioral1
Sample
79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe
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Size
276KB
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MD5
50c4998878e39bd2ec3999d925369034
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SHA1
7f866cd137fdcc2dad7535f1d041dd1d6e1324b3
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SHA256
79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783
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SHA512
96306ebc010bb597e66142bf8c8cbc68baf0e11063544cd3b515da61a1c395245bfa6f310d76e4b4d42ca50a4504cdba2c5f36b8b68c61e0ecd0e1658c4fd1eb
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SSDEEP
3072:0fvtsFVUvzaqBwEQslNTl8Kmmo4xTbWI+QV7irN/qxn8UAeBuUBce5m:EtwExplrxbWI+rNSBtdFceo
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" 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zaamid.exe -
Executes dropped EXE 1 IoCs
pid Process 1948 zaamid.exe -
Loads dropped DLL 2 IoCs
pid Process 1376 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe 1376 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.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\zaamid = "C:\\Users\\Admin\\zaamid.exe /w" 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /r" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /h" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /m" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /t" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /a" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /b" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /z" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /u" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /j" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /w" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /l" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /i" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /v" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /f" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /y" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /k" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /q" zaamid.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /g" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /e" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /x" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /c" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /d" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /n" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /s" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /o" zaamid.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaamid = "C:\\Users\\Admin\\zaamid.exe /p" zaamid.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 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe 1948 zaamid.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1376 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe 1948 zaamid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1376 wrote to memory of 1948 1376 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe 26 PID 1376 wrote to memory of 1948 1376 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe 26 PID 1376 wrote to memory of 1948 1376 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe 26 PID 1376 wrote to memory of 1948 1376 79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.exe"C:\Users\Admin\AppData\Local\Temp\79784f69f902f7afd45c080ed70b7e861b9ad1b2a88798ccc91421e5ce969783.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\zaamid.exe"C:\Users\Admin\zaamid.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
276KB
MD58ed0c795d556a3d5fcf545161061cdf8
SHA15e820528f7b10e49721358f768090515c78c69e5
SHA25684dce65418d13ccd55edf98b2b3902773cb1e3db2500d60c13ecdd51130c6ac1
SHA5121243c542b17c3cefe11b2f6301edb32f0c202e59ba636fb7b091561948272dbaaff84d9fda6fb681759172ec00bbabea65a45a3601716889949d6c82de2af660
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Filesize
276KB
MD58ed0c795d556a3d5fcf545161061cdf8
SHA15e820528f7b10e49721358f768090515c78c69e5
SHA25684dce65418d13ccd55edf98b2b3902773cb1e3db2500d60c13ecdd51130c6ac1
SHA5121243c542b17c3cefe11b2f6301edb32f0c202e59ba636fb7b091561948272dbaaff84d9fda6fb681759172ec00bbabea65a45a3601716889949d6c82de2af660
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Filesize
276KB
MD58ed0c795d556a3d5fcf545161061cdf8
SHA15e820528f7b10e49721358f768090515c78c69e5
SHA25684dce65418d13ccd55edf98b2b3902773cb1e3db2500d60c13ecdd51130c6ac1
SHA5121243c542b17c3cefe11b2f6301edb32f0c202e59ba636fb7b091561948272dbaaff84d9fda6fb681759172ec00bbabea65a45a3601716889949d6c82de2af660
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Filesize
276KB
MD58ed0c795d556a3d5fcf545161061cdf8
SHA15e820528f7b10e49721358f768090515c78c69e5
SHA25684dce65418d13ccd55edf98b2b3902773cb1e3db2500d60c13ecdd51130c6ac1
SHA5121243c542b17c3cefe11b2f6301edb32f0c202e59ba636fb7b091561948272dbaaff84d9fda6fb681759172ec00bbabea65a45a3601716889949d6c82de2af660