Analysis
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max time kernel
182s -
max time network
257s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
21/08/2023, 04:51
Static task
static1
Behavioral task
behavioral1
Sample
x8853503.exe
Resource
win7-20230712-en
General
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Target
x8853503.exe
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Size
276KB
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MD5
85c90b73b7d195f12c378ce15f17e578
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SHA1
82abc3a66de7177f38e9012aa9446d1dab7dc4fe
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SHA256
5dea54208bf19d1836986367e73fdeabeffc9f8d989f87d85a3e9b6651e5fbcd
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SHA512
1c245089fcf294f5df084eafa4a69210411c5ad6d03e0b4cdc449eaf6055c305a7e616571d00b2b97b07f569bd71b7bc0f2f9208bb17317978fc3ae263771d9c
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SSDEEP
6144:KOy+bnr+1p0yN90QEcrKEP3ve7yRfsK6KRFjEXtaBv7DihH:SMrJy90+KU/e7RK6KRdEXYp7OhH
Malware Config
Extracted
amadey
S-%lu-
77.91.68.18/nice/index.php
3.87/nice/index.php
Signatures
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Detects Healer an antivirus disabler dropper 3 IoCs
resource yara_rule behavioral2/files/0x000700000001b041-136.dat healer behavioral2/files/0x000700000001b041-137.dat healer behavioral2/memory/3596-138-0x00000000008E0000-0x00000000008EA000-memory.dmp healer -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" h5930565.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" h5930565.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" h5930565.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" h5930565.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" h5930565.exe -
Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
pid Process 4932 g0447863.exe 4812 saves.exe 3596 h5930565.exe 316 saves.exe -
Loads dropped DLL 1 IoCs
pid Process 3804 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" h5930565.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process 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\\\"" x8853503.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 1116 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3596 h5930565.exe 3596 h5930565.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3596 h5930565.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 4896 wrote to memory of 4932 4896 x8853503.exe 70 PID 4896 wrote to memory of 4932 4896 x8853503.exe 70 PID 4896 wrote to memory of 4932 4896 x8853503.exe 70 PID 4932 wrote to memory of 4812 4932 g0447863.exe 71 PID 4932 wrote to memory of 4812 4932 g0447863.exe 71 PID 4932 wrote to memory of 4812 4932 g0447863.exe 71 PID 4896 wrote to memory of 3596 4896 x8853503.exe 72 PID 4896 wrote to memory of 3596 4896 x8853503.exe 72 PID 4812 wrote to memory of 1116 4812 saves.exe 73 PID 4812 wrote to memory of 1116 4812 saves.exe 73 PID 4812 wrote to memory of 1116 4812 saves.exe 73 PID 4812 wrote to memory of 1180 4812 saves.exe 74 PID 4812 wrote to memory of 1180 4812 saves.exe 74 PID 4812 wrote to memory of 1180 4812 saves.exe 74 PID 1180 wrote to memory of 2052 1180 cmd.exe 77 PID 1180 wrote to memory of 2052 1180 cmd.exe 77 PID 1180 wrote to memory of 2052 1180 cmd.exe 77 PID 1180 wrote to memory of 4108 1180 cmd.exe 78 PID 1180 wrote to memory of 4108 1180 cmd.exe 78 PID 1180 wrote to memory of 4108 1180 cmd.exe 78 PID 1180 wrote to memory of 4572 1180 cmd.exe 79 PID 1180 wrote to memory of 4572 1180 cmd.exe 79 PID 1180 wrote to memory of 4572 1180 cmd.exe 79 PID 1180 wrote to memory of 3840 1180 cmd.exe 80 PID 1180 wrote to memory of 3840 1180 cmd.exe 80 PID 1180 wrote to memory of 3840 1180 cmd.exe 80 PID 1180 wrote to memory of 5044 1180 cmd.exe 81 PID 1180 wrote to memory of 5044 1180 cmd.exe 81 PID 1180 wrote to memory of 5044 1180 cmd.exe 81 PID 1180 wrote to memory of 3628 1180 cmd.exe 82 PID 1180 wrote to memory of 3628 1180 cmd.exe 82 PID 1180 wrote to memory of 3628 1180 cmd.exe 82 PID 4812 wrote to memory of 3804 4812 saves.exe 84 PID 4812 wrote to memory of 3804 4812 saves.exe 84 PID 4812 wrote to memory of 3804 4812 saves.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\x8853503.exe"C:\Users\Admin\AppData\Local\Temp\x8853503.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g0447863.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\g0447863.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F4⤵
- Creates scheduled task(s)
PID:1116
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit4⤵
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:2052
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C:\Windows\SysWOW64\cacls.exeCACLS "saves.exe" /P "Admin:N"5⤵PID:4108
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C:\Windows\SysWOW64\cacls.exeCACLS "saves.exe" /P "Admin:R" /E5⤵PID:4572
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3840
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C:\Windows\SysWOW64\cacls.exeCACLS "..\b40d11255d" /P "Admin:N"5⤵PID:5044
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C:\Windows\SysWOW64\cacls.exeCACLS "..\b40d11255d" /P "Admin:R" /E5⤵PID:3628
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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:3804
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h5930565.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\h5930565.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3596
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:316
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
313KB
MD569b27fe3308bebb904ae9c80c0745ae3
SHA153ab89c8f91f8ece4916747db74b4d22ef6cef95
SHA2561993d56acb6625090a7cb3bf282e4a887a91bd90431df1bc88a873abf71e7c7b
SHA512e4f6d3a2dee21fd4f225df212a64d4fbdb027d3e4e1f00c6c0312dfb7dfa18309ba2b2cdf7f5f8f38bf15ee66374354cf5a26cf4896e3551d47339bf9174fb70
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Filesize
313KB
MD569b27fe3308bebb904ae9c80c0745ae3
SHA153ab89c8f91f8ece4916747db74b4d22ef6cef95
SHA2561993d56acb6625090a7cb3bf282e4a887a91bd90431df1bc88a873abf71e7c7b
SHA512e4f6d3a2dee21fd4f225df212a64d4fbdb027d3e4e1f00c6c0312dfb7dfa18309ba2b2cdf7f5f8f38bf15ee66374354cf5a26cf4896e3551d47339bf9174fb70
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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
313KB
MD569b27fe3308bebb904ae9c80c0745ae3
SHA153ab89c8f91f8ece4916747db74b4d22ef6cef95
SHA2561993d56acb6625090a7cb3bf282e4a887a91bd90431df1bc88a873abf71e7c7b
SHA512e4f6d3a2dee21fd4f225df212a64d4fbdb027d3e4e1f00c6c0312dfb7dfa18309ba2b2cdf7f5f8f38bf15ee66374354cf5a26cf4896e3551d47339bf9174fb70
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Filesize
313KB
MD569b27fe3308bebb904ae9c80c0745ae3
SHA153ab89c8f91f8ece4916747db74b4d22ef6cef95
SHA2561993d56acb6625090a7cb3bf282e4a887a91bd90431df1bc88a873abf71e7c7b
SHA512e4f6d3a2dee21fd4f225df212a64d4fbdb027d3e4e1f00c6c0312dfb7dfa18309ba2b2cdf7f5f8f38bf15ee66374354cf5a26cf4896e3551d47339bf9174fb70
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Filesize
313KB
MD569b27fe3308bebb904ae9c80c0745ae3
SHA153ab89c8f91f8ece4916747db74b4d22ef6cef95
SHA2561993d56acb6625090a7cb3bf282e4a887a91bd90431df1bc88a873abf71e7c7b
SHA512e4f6d3a2dee21fd4f225df212a64d4fbdb027d3e4e1f00c6c0312dfb7dfa18309ba2b2cdf7f5f8f38bf15ee66374354cf5a26cf4896e3551d47339bf9174fb70
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Filesize
313KB
MD569b27fe3308bebb904ae9c80c0745ae3
SHA153ab89c8f91f8ece4916747db74b4d22ef6cef95
SHA2561993d56acb6625090a7cb3bf282e4a887a91bd90431df1bc88a873abf71e7c7b
SHA512e4f6d3a2dee21fd4f225df212a64d4fbdb027d3e4e1f00c6c0312dfb7dfa18309ba2b2cdf7f5f8f38bf15ee66374354cf5a26cf4896e3551d47339bf9174fb70
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Filesize
89KB
MD55bc0153d2973241b72a38c51a2f72116
SHA1cd9c689663557452631d9f8ff609208b01884a32
SHA25668ec0ef5c26d0204c713ec50f6ad66f8029063c6a9dbd51836f4942bacace554
SHA5122eef4cc2568b18559f2a2a87d1fcde1f3b77f7aba23dc4483be409cb2c4722ebf89bd1316f785cbb9a21e8d017446e0d876442aec77bf8f28b198aead2b9a55b
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Filesize
89KB
MD55bc0153d2973241b72a38c51a2f72116
SHA1cd9c689663557452631d9f8ff609208b01884a32
SHA25668ec0ef5c26d0204c713ec50f6ad66f8029063c6a9dbd51836f4942bacace554
SHA5122eef4cc2568b18559f2a2a87d1fcde1f3b77f7aba23dc4483be409cb2c4722ebf89bd1316f785cbb9a21e8d017446e0d876442aec77bf8f28b198aead2b9a55b
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Filesize
89KB
MD55bc0153d2973241b72a38c51a2f72116
SHA1cd9c689663557452631d9f8ff609208b01884a32
SHA25668ec0ef5c26d0204c713ec50f6ad66f8029063c6a9dbd51836f4942bacace554
SHA5122eef4cc2568b18559f2a2a87d1fcde1f3b77f7aba23dc4483be409cb2c4722ebf89bd1316f785cbb9a21e8d017446e0d876442aec77bf8f28b198aead2b9a55b