Analysis
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max time kernel
133s -
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
08/02/2023, 23:31
Static task
static1
Behavioral task
behavioral1
Sample
6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.exe
Resource
win10-20220812-en
General
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Target
6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.exe
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Size
568KB
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MD5
43c902cc8ccaf59636d5acc24a547120
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SHA1
c09e99f4b0fcfd03e689f7abfdf8c50f6f7acaf3
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SHA256
6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c
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SHA512
36c69b88d825ee4b6324f5419c47138d82e2d74c36fbf4bb2fb35077d746d53795e4d29b0e236d36093c98899f774383bf09fdad2edd496e28f91a6753eb2622
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SSDEEP
12288:TMroy90zFhtbbGxu4dBu8QflC6cRxetouYTOJdlEkcKN47Yin3:vyChZbGxZBu8AlCDxeGuTlEWSUi3
Malware Config
Extracted
amadey
3.66
62.204.41.5/Bu58Ngs/index.php
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" afKx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" mika.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\DisableScanOnRealtimeEnable = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" afKx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" afKx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" afKx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" afKx.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 -
Executes dropped EXE 7 IoCs
pid Process 5032 cfKu.exe 1776 afKx.exe 4352 mika.exe 4148 vona.exe 3188 mnolyk.exe 4660 mnolyk.exe 2148 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 3624 rundll32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features afKx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" afKx.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
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce cfKu.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\\\"" cfKu.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.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\\\"" 6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.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.
pid Process 1100 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1776 afKx.exe 1776 afKx.exe 4352 mika.exe 4352 mika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1776 afKx.exe Token: SeDebugPrivilege 4352 mika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 2984 wrote to memory of 5032 2984 6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.exe 67 PID 2984 wrote to memory of 5032 2984 6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.exe 67 PID 2984 wrote to memory of 5032 2984 6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.exe 67 PID 5032 wrote to memory of 1776 5032 cfKu.exe 68 PID 5032 wrote to memory of 1776 5032 cfKu.exe 68 PID 5032 wrote to memory of 1776 5032 cfKu.exe 68 PID 5032 wrote to memory of 4352 5032 cfKu.exe 69 PID 5032 wrote to memory of 4352 5032 cfKu.exe 69 PID 2984 wrote to memory of 4148 2984 6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.exe 70 PID 2984 wrote to memory of 4148 2984 6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.exe 70 PID 2984 wrote to memory of 4148 2984 6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.exe 70 PID 4148 wrote to memory of 3188 4148 vona.exe 71 PID 4148 wrote to memory of 3188 4148 vona.exe 71 PID 4148 wrote to memory of 3188 4148 vona.exe 71 PID 3188 wrote to memory of 1100 3188 mnolyk.exe 72 PID 3188 wrote to memory of 1100 3188 mnolyk.exe 72 PID 3188 wrote to memory of 1100 3188 mnolyk.exe 72 PID 3188 wrote to memory of 416 3188 mnolyk.exe 73 PID 3188 wrote to memory of 416 3188 mnolyk.exe 73 PID 3188 wrote to memory of 416 3188 mnolyk.exe 73 PID 416 wrote to memory of 1244 416 cmd.exe 77 PID 416 wrote to memory of 1244 416 cmd.exe 77 PID 416 wrote to memory of 1244 416 cmd.exe 77 PID 416 wrote to memory of 2252 416 cmd.exe 76 PID 416 wrote to memory of 2252 416 cmd.exe 76 PID 416 wrote to memory of 2252 416 cmd.exe 76 PID 416 wrote to memory of 4984 416 cmd.exe 78 PID 416 wrote to memory of 4984 416 cmd.exe 78 PID 416 wrote to memory of 4984 416 cmd.exe 78 PID 416 wrote to memory of 4712 416 cmd.exe 79 PID 416 wrote to memory of 4712 416 cmd.exe 79 PID 416 wrote to memory of 4712 416 cmd.exe 79 PID 416 wrote to memory of 3800 416 cmd.exe 80 PID 416 wrote to memory of 3800 416 cmd.exe 80 PID 416 wrote to memory of 3800 416 cmd.exe 80 PID 416 wrote to memory of 3744 416 cmd.exe 81 PID 416 wrote to memory of 3744 416 cmd.exe 81 PID 416 wrote to memory of 3744 416 cmd.exe 81 PID 3188 wrote to memory of 3624 3188 mnolyk.exe 83 PID 3188 wrote to memory of 3624 3188 mnolyk.exe 83 PID 3188 wrote to memory of 3624 3188 mnolyk.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.exe"C:\Users\Admin\AppData\Local\Temp\6dbc5d49fe7bb3f2c71881717c6dd4ff25b48498672cb4ff6ea969205d06c86c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cfKu.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cfKu.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\afKx.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\afKx.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1776
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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:4352
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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:4148 -
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:3188 -
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:1100
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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:416 -
C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:2252
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:1244
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:4984
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:4712
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5eb6b96734" /P "Admin:N"5⤵PID:3800
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5eb6b96734" /P "Admin:R" /E5⤵PID:3744
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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:3624
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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:4660
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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:2148
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
381KB
MD5e47f30d690e606aab30a5f33f70b1f1c
SHA15d8614eca676acceb6c79a8ec354e47a784f9ea3
SHA256f6234904b2abceb371a78a8f5f6652cf5d190a4ab4a91250007ac8cc90e38ef7
SHA51287aabe14c0e5bb0b277fcd65e46bd63e81023439d871d317cd141afeed4114f0b07947727955584cce9639aed9a1c95507da6f8eee99d3cb7026fc0caf5036d0
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Filesize
381KB
MD5e47f30d690e606aab30a5f33f70b1f1c
SHA15d8614eca676acceb6c79a8ec354e47a784f9ea3
SHA256f6234904b2abceb371a78a8f5f6652cf5d190a4ab4a91250007ac8cc90e38ef7
SHA51287aabe14c0e5bb0b277fcd65e46bd63e81023439d871d317cd141afeed4114f0b07947727955584cce9639aed9a1c95507da6f8eee99d3cb7026fc0caf5036d0
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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
364KB
MD51aadaad190fccea93eb99b00116a59a8
SHA1a29ca5f563e18be26aea348ec66a3a5303af95d0
SHA25645c9a91715d3894ef1c4992ca1d09949140db32b3c79f032a1cabe8521e62db8
SHA5124b0fea67bdb55afca120e5f5261489813c433b6521d6c8d20093cf6e01b6c6e5c3c9627e0a0a15b9fc593906aca2e47e2cf1221a9e634671b68272ed87520f9a
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Filesize
364KB
MD51aadaad190fccea93eb99b00116a59a8
SHA1a29ca5f563e18be26aea348ec66a3a5303af95d0
SHA25645c9a91715d3894ef1c4992ca1d09949140db32b3c79f032a1cabe8521e62db8
SHA5124b0fea67bdb55afca120e5f5261489813c433b6521d6c8d20093cf6e01b6c6e5c3c9627e0a0a15b9fc593906aca2e47e2cf1221a9e634671b68272ed87520f9a
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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