Analysis
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max time kernel
144s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
06/02/2023, 21:51
Static task
static1
Behavioral task
behavioral1
Sample
bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.exe
Resource
win10-20220901-en
General
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Target
bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.exe
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Size
558KB
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MD5
8b7d822e3691b3bd9096abfcae9d837b
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SHA1
2db3f0d006dcf7eb2059d409d83e51158170d133
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SHA256
bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811
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SHA512
0ee655ad4878c22dceeffe595d3d59841b30c9260e8803cea7f94b91348319d66c2c4c06af0dbb8783e57097158ecc7798495fb9fc234c5a071cfe5ebc7e198f
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SSDEEP
12288:pMrVy90d503cb1ke/T/+CsF+8MaTDmNRnvquX12Ir2+:QyA503QxwHTDmNRnvquF2m
Malware Config
Extracted
amadey
3.66
62.204.41.4/Gol478Ns/index.php
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" ajcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" ajcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" ajcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" ajcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" ajcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" nika.exe -
Executes dropped EXE 7 IoCs
pid Process 4412 bjcg.exe 5052 ajcf.exe 5032 nika.exe 4028 xriv.exe 4736 mnolyk.exe 4468 mnolyk.exe 4420 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 5064 rundll32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features ajcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" ajcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" nika.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bjcg.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\\\"" bjcg.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.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\\\"" bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.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 632 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5052 ajcf.exe 5052 ajcf.exe 5032 nika.exe 5032 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5052 ajcf.exe Token: SeDebugPrivilege 5032 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 3500 wrote to memory of 4412 3500 bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.exe 67 PID 3500 wrote to memory of 4412 3500 bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.exe 67 PID 3500 wrote to memory of 4412 3500 bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.exe 67 PID 4412 wrote to memory of 5052 4412 bjcg.exe 66 PID 4412 wrote to memory of 5052 4412 bjcg.exe 66 PID 4412 wrote to memory of 5052 4412 bjcg.exe 66 PID 4412 wrote to memory of 5032 4412 bjcg.exe 68 PID 4412 wrote to memory of 5032 4412 bjcg.exe 68 PID 3500 wrote to memory of 4028 3500 bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.exe 69 PID 3500 wrote to memory of 4028 3500 bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.exe 69 PID 3500 wrote to memory of 4028 3500 bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.exe 69 PID 4028 wrote to memory of 4736 4028 xriv.exe 70 PID 4028 wrote to memory of 4736 4028 xriv.exe 70 PID 4028 wrote to memory of 4736 4028 xriv.exe 70 PID 4736 wrote to memory of 632 4736 mnolyk.exe 71 PID 4736 wrote to memory of 632 4736 mnolyk.exe 71 PID 4736 wrote to memory of 632 4736 mnolyk.exe 71 PID 4736 wrote to memory of 880 4736 mnolyk.exe 72 PID 4736 wrote to memory of 880 4736 mnolyk.exe 72 PID 4736 wrote to memory of 880 4736 mnolyk.exe 72 PID 880 wrote to memory of 3248 880 cmd.exe 75 PID 880 wrote to memory of 3248 880 cmd.exe 75 PID 880 wrote to memory of 3248 880 cmd.exe 75 PID 880 wrote to memory of 4516 880 cmd.exe 76 PID 880 wrote to memory of 4516 880 cmd.exe 76 PID 880 wrote to memory of 4516 880 cmd.exe 76 PID 880 wrote to memory of 4728 880 cmd.exe 77 PID 880 wrote to memory of 4728 880 cmd.exe 77 PID 880 wrote to memory of 4728 880 cmd.exe 77 PID 880 wrote to memory of 328 880 cmd.exe 78 PID 880 wrote to memory of 328 880 cmd.exe 78 PID 880 wrote to memory of 328 880 cmd.exe 78 PID 880 wrote to memory of 4448 880 cmd.exe 79 PID 880 wrote to memory of 4448 880 cmd.exe 79 PID 880 wrote to memory of 4448 880 cmd.exe 79 PID 880 wrote to memory of 1300 880 cmd.exe 80 PID 880 wrote to memory of 1300 880 cmd.exe 80 PID 880 wrote to memory of 1300 880 cmd.exe 80 PID 4736 wrote to memory of 5064 4736 mnolyk.exe 82 PID 4736 wrote to memory of 5064 4736 mnolyk.exe 82 PID 4736 wrote to memory of 5064 4736 mnolyk.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.exe"C:\Users\Admin\AppData\Local\Temp\bfd668a62053caf09ef559b9310c1888074ceef8c8d88d11beb60b5209f3b811.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3500 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bjcg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bjcg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nika.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nika.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5032
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xriv.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xriv.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe"C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4736 -
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\4b9a106e76\mnolyk.exe" /F4⤵
- Creates scheduled task(s)
PID:632
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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 "..\4b9a106e76" /P "Admin:N"&&CACLS "..\4b9a106e76" /P "Admin:R" /E&&Exit4⤵
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3248
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:4516
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:4728
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:328
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:4448
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:1300
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main4⤵
- Loads dropped DLL
PID:5064
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ajcf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ajcf.exe1⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5052
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C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exeC:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe1⤵
- Executes dropped EXE
PID:4468
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C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exeC:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe1⤵
- Executes dropped EXE
PID:4420
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
371KB
MD52da7ec7084cdde26dfc804f46d7c674d
SHA12faa921ebdb7b0b37bab7194a3ee0f1af1cc100b
SHA256b352b820f7a05e8da4cde9c96d2c1557a98887c6187fc340553f9996dc2b4829
SHA5121cca678565dd68d684878b9a49e6f2cf7b3e359607ad896a1cb0d9bc2349add543c7fd5a9104219720e1dba34c33529dcafce25dfd7255214b4b639d9f356908
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Filesize
371KB
MD52da7ec7084cdde26dfc804f46d7c674d
SHA12faa921ebdb7b0b37bab7194a3ee0f1af1cc100b
SHA256b352b820f7a05e8da4cde9c96d2c1557a98887c6187fc340553f9996dc2b4829
SHA5121cca678565dd68d684878b9a49e6f2cf7b3e359607ad896a1cb0d9bc2349add543c7fd5a9104219720e1dba34c33529dcafce25dfd7255214b4b639d9f356908
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
342KB
MD5680f717ad65a351559fd678bbe7318fb
SHA1fd5aa89b668eed10b58890caedaf5ae0f0dd5c52
SHA256ea71bb62482bb375c517988a0fe8688c962d6fe90761a3b43216466315d40ae9
SHA51202c21e30c1c0e3e2449c0611baafb04af1c1c9273ee7e831a4cfbc53a11c3ac65ad3feb8b732e8c1db3fba9f7e79c607f6ec279003ecfb7fa5dcc927337d0e99
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Filesize
342KB
MD5680f717ad65a351559fd678bbe7318fb
SHA1fd5aa89b668eed10b58890caedaf5ae0f0dd5c52
SHA256ea71bb62482bb375c517988a0fe8688c962d6fe90761a3b43216466315d40ae9
SHA51202c21e30c1c0e3e2449c0611baafb04af1c1c9273ee7e831a4cfbc53a11c3ac65ad3feb8b732e8c1db3fba9f7e79c607f6ec279003ecfb7fa5dcc927337d0e99
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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
MD5c79b74d8fec5e7e2ba2f1789fd582a15
SHA178a1e5d99dbaccc5e07b125e1dfb280112cb3128
SHA256b5bd049d32f0faeea6ce65a0f0d326de5bc4427a7c1ad24bfb0ea050c1dec7d3
SHA5120debfc54904fd538cfb1fc648d18f90a991337200b3decf74b28ac2f341843fb3bab4f45bc92cfec333b18dfff9cc136854462e79054a39926a7bd8ee2e057ba
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Filesize
89KB
MD5c79b74d8fec5e7e2ba2f1789fd582a15
SHA178a1e5d99dbaccc5e07b125e1dfb280112cb3128
SHA256b5bd049d32f0faeea6ce65a0f0d326de5bc4427a7c1ad24bfb0ea050c1dec7d3
SHA5120debfc54904fd538cfb1fc648d18f90a991337200b3decf74b28ac2f341843fb3bab4f45bc92cfec333b18dfff9cc136854462e79054a39926a7bd8ee2e057ba