Analysis
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max time kernel
143s -
max time network
137s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
06-02-2023 11:11
Static task
static1
Behavioral task
behavioral1
Sample
54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exe
Resource
win10-20220812-en
General
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Target
54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exe
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Size
585KB
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MD5
adc35fc2df48c38ded312e80c9d52db3
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SHA1
cd123c75b7feb17c03ff0480374dccff98229bf1
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SHA256
54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434
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SHA512
9473652591be8013024dd51381fc51188d97322bf60e3a104bfe0d42383a605f1ee734bed718331ec1f793cc640ea1965286694b3cd22d8afaf795bcf731da21
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SSDEEP
12288:5Mrty90zywJxjPM5P0RHGoQ+NE9AyDPiiI8WXuBgSbio:ky7wJxjA8RHOgE9Akij8BgSb
Malware Config
Extracted
amadey
3.66
62.204.41.4/Gol478Ns/index.php
Signatures
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Processes:
aeXf.exenika.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" aeXf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" aeXf.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\DisableRealtimeMonitoring = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" aeXf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" aeXf.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\DisableOnAccessProtection = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" aeXf.exe -
Executes dropped EXE 7 IoCs
Processes:
beXg.exeaeXf.exenika.exexriv.exemnolyk.exemnolyk.exemnolyk.exepid process 3768 beXg.exe 4252 aeXf.exe 3648 nika.exe 3580 xriv.exe 4200 mnolyk.exe 1076 mnolyk.exe 2040 mnolyk.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 1520 rundll32.exe -
Processes:
aeXf.exenika.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features aeXf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" aeXf.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
Processes:
beXg.exe54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce beXg.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\\\"" beXg.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.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\\\"" 54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.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:
aeXf.exenika.exepid process 4252 aeXf.exe 4252 aeXf.exe 3648 nika.exe 3648 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
aeXf.exenika.exedescription pid process Token: SeDebugPrivilege 4252 aeXf.exe Token: SeDebugPrivilege 3648 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
Processes:
54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exebeXg.exexriv.exemnolyk.execmd.exedescription pid process target process PID 2436 wrote to memory of 3768 2436 54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exe beXg.exe PID 2436 wrote to memory of 3768 2436 54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exe beXg.exe PID 2436 wrote to memory of 3768 2436 54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exe beXg.exe PID 3768 wrote to memory of 4252 3768 beXg.exe aeXf.exe PID 3768 wrote to memory of 4252 3768 beXg.exe aeXf.exe PID 3768 wrote to memory of 4252 3768 beXg.exe aeXf.exe PID 3768 wrote to memory of 3648 3768 beXg.exe nika.exe PID 3768 wrote to memory of 3648 3768 beXg.exe nika.exe PID 2436 wrote to memory of 3580 2436 54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exe xriv.exe PID 2436 wrote to memory of 3580 2436 54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exe xriv.exe PID 2436 wrote to memory of 3580 2436 54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exe xriv.exe PID 3580 wrote to memory of 4200 3580 xriv.exe mnolyk.exe PID 3580 wrote to memory of 4200 3580 xriv.exe mnolyk.exe PID 3580 wrote to memory of 4200 3580 xriv.exe mnolyk.exe PID 4200 wrote to memory of 4424 4200 mnolyk.exe schtasks.exe PID 4200 wrote to memory of 4424 4200 mnolyk.exe schtasks.exe PID 4200 wrote to memory of 4424 4200 mnolyk.exe schtasks.exe PID 4200 wrote to memory of 4436 4200 mnolyk.exe cmd.exe PID 4200 wrote to memory of 4436 4200 mnolyk.exe cmd.exe PID 4200 wrote to memory of 4436 4200 mnolyk.exe cmd.exe PID 4436 wrote to memory of 3280 4436 cmd.exe cmd.exe PID 4436 wrote to memory of 3280 4436 cmd.exe cmd.exe PID 4436 wrote to memory of 3280 4436 cmd.exe cmd.exe PID 4436 wrote to memory of 2268 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 2268 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 2268 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 3832 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 3832 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 3832 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 3748 4436 cmd.exe cmd.exe PID 4436 wrote to memory of 3748 4436 cmd.exe cmd.exe PID 4436 wrote to memory of 3748 4436 cmd.exe cmd.exe PID 4436 wrote to memory of 4620 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 4620 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 4620 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 1952 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 1952 4436 cmd.exe cacls.exe PID 4436 wrote to memory of 1952 4436 cmd.exe cacls.exe PID 4200 wrote to memory of 1520 4200 mnolyk.exe rundll32.exe PID 4200 wrote to memory of 1520 4200 mnolyk.exe rundll32.exe PID 4200 wrote to memory of 1520 4200 mnolyk.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exe"C:\Users\Admin\AppData\Local\Temp\54936d3e797ed7b4649357d91b20b2234f72277e887d10be96ae760882373434.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\beXg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\beXg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3768 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aeXf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aeXf.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4252
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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:3648
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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:3580 -
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:4200 -
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:4424
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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:4436 -
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:2268
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:3832
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3748
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:4620
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:1952
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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:1520
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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:1076
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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:2040
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
398KB
MD510b2ab984f22bb328222f6d0c77ca69e
SHA1386cf396eb59a5fac0b2284326d8b9a35527a9e3
SHA256b85c89d7717f6afe9917e655abcfdef6d15af7a888be31f37d90ae914bcd5f55
SHA512c832102e75455c1f40c211ced590aea1bc2d720f57df7fbc6c4305cb018653318b46e5b9d886c7f19c34a07e4dc42e9345b99a1a53e24d1edce000a7a08259d3
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Filesize
398KB
MD510b2ab984f22bb328222f6d0c77ca69e
SHA1386cf396eb59a5fac0b2284326d8b9a35527a9e3
SHA256b85c89d7717f6afe9917e655abcfdef6d15af7a888be31f37d90ae914bcd5f55
SHA512c832102e75455c1f40c211ced590aea1bc2d720f57df7fbc6c4305cb018653318b46e5b9d886c7f19c34a07e4dc42e9345b99a1a53e24d1edce000a7a08259d3
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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
367KB
MD5e572f01374d14950ab5f926b6bc669c7
SHA1344f0ee2242a74bae4cab535ea1ff957a7248704
SHA2561348f0d2f0edc75fa7063614a223f8d5d3fe1433b9c5c03164a1f6b33c4b8278
SHA512bc6053423a71919547a1483f7b6896598b087afb82768c8b7c958db013c7c25060e5bfaf2da12d48020a04dc239394659be1673672636af9e8bb5cae6a809be9
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Filesize
367KB
MD5e572f01374d14950ab5f926b6bc669c7
SHA1344f0ee2242a74bae4cab535ea1ff957a7248704
SHA2561348f0d2f0edc75fa7063614a223f8d5d3fe1433b9c5c03164a1f6b33c4b8278
SHA512bc6053423a71919547a1483f7b6896598b087afb82768c8b7c958db013c7c25060e5bfaf2da12d48020a04dc239394659be1673672636af9e8bb5cae6a809be9
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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