Analysis
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max time kernel
145s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
07-02-2023 00:00
Static task
static1
Behavioral task
behavioral1
Sample
eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe
Resource
win10-20220812-en
General
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Target
eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe
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Size
558KB
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MD5
24d66ef57fc8316cc362372b6ecea4a2
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SHA1
7a0d5d2b0dbd598b10e152e104a5b621c5cea7af
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SHA256
eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10
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SHA512
ac398e7cbae218a27a0e592643159433457e22c58909d73bee173eff8f9c19565e19313f5446336e8fb3ee636aa72a9abe0a19d10c51ed68867b6a8065c7b204
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SSDEEP
12288:7Mr7y90XmYyrTDPKRzOqj6HRG07ZqeMA6ySr/Ihb:Yyg96Tz1qje7ZWzS
Malware Config
Extracted
amadey
3.66
62.204.41.5/Bu58Ngs/index.php
Signatures
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Processes:
ayrx.exemika.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" ayrx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" ayrx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" ayrx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" ayrx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" ayrx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" mika.exe -
Executes dropped EXE 7 IoCs
Processes:
cyrn.exeayrx.exemika.exevona.exemnolyk.exemnolyk.exemnolyk.exepid process 3892 cyrn.exe 4668 ayrx.exe 4736 mika.exe 3952 vona.exe 4224 mnolyk.exe 5072 mnolyk.exe 5000 mnolyk.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 4124 rundll32.exe -
Processes:
ayrx.exemika.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features ayrx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" ayrx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" mika.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.execyrn.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce cyrn.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" cyrn.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
ayrx.exemika.exepid process 4668 ayrx.exe 4668 ayrx.exe 4736 mika.exe 4736 mika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
ayrx.exemika.exedescription pid process Token: SeDebugPrivilege 4668 ayrx.exe Token: SeDebugPrivilege 4736 mika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
Processes:
eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.execyrn.exevona.exemnolyk.execmd.exedescription pid process target process PID 2364 wrote to memory of 3892 2364 eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe cyrn.exe PID 2364 wrote to memory of 3892 2364 eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe cyrn.exe PID 2364 wrote to memory of 3892 2364 eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe cyrn.exe PID 3892 wrote to memory of 4668 3892 cyrn.exe ayrx.exe PID 3892 wrote to memory of 4668 3892 cyrn.exe ayrx.exe PID 3892 wrote to memory of 4668 3892 cyrn.exe ayrx.exe PID 3892 wrote to memory of 4736 3892 cyrn.exe mika.exe PID 3892 wrote to memory of 4736 3892 cyrn.exe mika.exe PID 2364 wrote to memory of 3952 2364 eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe vona.exe PID 2364 wrote to memory of 3952 2364 eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe vona.exe PID 2364 wrote to memory of 3952 2364 eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe vona.exe PID 3952 wrote to memory of 4224 3952 vona.exe mnolyk.exe PID 3952 wrote to memory of 4224 3952 vona.exe mnolyk.exe PID 3952 wrote to memory of 4224 3952 vona.exe mnolyk.exe PID 4224 wrote to memory of 4576 4224 mnolyk.exe schtasks.exe PID 4224 wrote to memory of 4576 4224 mnolyk.exe schtasks.exe PID 4224 wrote to memory of 4576 4224 mnolyk.exe schtasks.exe PID 4224 wrote to memory of 4344 4224 mnolyk.exe cmd.exe PID 4224 wrote to memory of 4344 4224 mnolyk.exe cmd.exe PID 4224 wrote to memory of 4344 4224 mnolyk.exe cmd.exe PID 4344 wrote to memory of 3280 4344 cmd.exe cmd.exe PID 4344 wrote to memory of 3280 4344 cmd.exe cmd.exe PID 4344 wrote to memory of 3280 4344 cmd.exe cmd.exe PID 4344 wrote to memory of 208 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 208 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 208 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 3788 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 3788 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 3788 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 2788 4344 cmd.exe cmd.exe PID 4344 wrote to memory of 2788 4344 cmd.exe cmd.exe PID 4344 wrote to memory of 2788 4344 cmd.exe cmd.exe PID 4344 wrote to memory of 2772 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 2772 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 2772 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 2700 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 2700 4344 cmd.exe cacls.exe PID 4344 wrote to memory of 2700 4344 cmd.exe cacls.exe PID 4224 wrote to memory of 4124 4224 mnolyk.exe rundll32.exe PID 4224 wrote to memory of 4124 4224 mnolyk.exe rundll32.exe PID 4224 wrote to memory of 4124 4224 mnolyk.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe"C:\Users\Admin\AppData\Local\Temp\eadcabe5d7c244f95856dbc1b70951dbb294435e23f235df48f661ff9ebf1b10.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cyrn.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cyrn.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ayrx.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ayrx.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4668
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mika.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mika.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4736
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vona.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vona.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exe"C:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4224 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN mnolyk.exe /TR "C:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exe" /F4⤵
- Creates scheduled task(s)
PID:4576
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "mnolyk.exe" /P "Admin:N"&&CACLS "mnolyk.exe" /P "Admin:R" /E&&echo Y|CACLS "..\5eb6b96734" /P "Admin:N"&&CACLS "..\5eb6b96734" /P "Admin:R" /E&&Exit4⤵
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3280
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:208
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:3788
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:2788
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5eb6b96734" /P "Admin:N"5⤵PID:2772
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5eb6b96734" /P "Admin:R" /E5⤵PID:2700
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main4⤵
- Loads dropped DLL
PID:4124
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C:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exeC:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exe1⤵
- Executes dropped EXE
PID:5072
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C:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exeC:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exe1⤵
- Executes dropped EXE
PID:5000
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
371KB
MD5e4088e674143c505a36ec94ab359660e
SHA112f242e132f434723d6bfe5a6bc23affd73d6ff3
SHA25605eb6860ebd9b8094573f6fb310c4ba74b9d538b214a471ffc28ba567f976c0e
SHA51206970e413b0c883286603e12b53d5dd601efb7db9674c6554e2d9a52ca3e00f41b0cc9917cdca642e29e0f22add1d4b4b8b5ad06fed5cbfee0818cca9c28b3d9
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Filesize
371KB
MD5e4088e674143c505a36ec94ab359660e
SHA112f242e132f434723d6bfe5a6bc23affd73d6ff3
SHA25605eb6860ebd9b8094573f6fb310c4ba74b9d538b214a471ffc28ba567f976c0e
SHA51206970e413b0c883286603e12b53d5dd601efb7db9674c6554e2d9a52ca3e00f41b0cc9917cdca642e29e0f22add1d4b4b8b5ad06fed5cbfee0818cca9c28b3d9
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
342KB
MD5afabf6e3f56058c045d2a761979137e6
SHA1bf8d36a2f0498c22f710b36cb1205eb3037b5849
SHA256542722a47ab88cece204c80420d5c4cc30437fd6ee90dcd70d1730f6d87439ea
SHA512560b3b03e5f4b20f9786349ef083006ae8db3746785c69fca81ade1e5e343e6e8fb47edd1dfef54897edb98903b06ca6b6062de750eba0e119c29a4690f4eb6a
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Filesize
342KB
MD5afabf6e3f56058c045d2a761979137e6
SHA1bf8d36a2f0498c22f710b36cb1205eb3037b5849
SHA256542722a47ab88cece204c80420d5c4cc30437fd6ee90dcd70d1730f6d87439ea
SHA512560b3b03e5f4b20f9786349ef083006ae8db3746785c69fca81ade1e5e343e6e8fb47edd1dfef54897edb98903b06ca6b6062de750eba0e119c29a4690f4eb6a
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
89KB
MD59221a421a3e777eb7d4ce55e474bcc4a
SHA1c96d7bd7ccbf9352d50527bff472595b3dc5298e
SHA25610ee53988bcfbb4bb9c8928ea96c4268bd64b9dfd1f28c6233185e695434d2f8
SHA51263ac172cb19c7c020676937cb35e853710d08e99e06e8cdcb410c37e0c9056af409a50fdec0c90a3c532edcf5e0f128fa1e2181063e1208d4fc4643b1b5736f3
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Filesize
89KB
MD59221a421a3e777eb7d4ce55e474bcc4a
SHA1c96d7bd7ccbf9352d50527bff472595b3dc5298e
SHA25610ee53988bcfbb4bb9c8928ea96c4268bd64b9dfd1f28c6233185e695434d2f8
SHA51263ac172cb19c7c020676937cb35e853710d08e99e06e8cdcb410c37e0c9056af409a50fdec0c90a3c532edcf5e0f128fa1e2181063e1208d4fc4643b1b5736f3