Analysis
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max time kernel
164s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2022 03:44
Static task
static1
Behavioral task
behavioral1
Sample
e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe
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Size
192KB
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MD5
52554b0e8cb628b525f25032bcebd820
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SHA1
dd9b64039fd084edf2ba49fb4e25be9d253a0f1b
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SHA256
e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f
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SHA512
1c4c68a0c355d75350c18744a5b32f2b1a1817cdeb340757393dd9c538ceab695ab04d3a041496c6511e6456db841f5ef2a5e2a9794f1fa3ae9c068b6d2a7ae7
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SSDEEP
1536:BSc62Oa40WFaaaaat031AdQWB5kCFrWszRUOHFlQhzyLwVKftfVBiZHAPloFp5Ar:nOP0UW3kCFrWsF2eLbqx20HFs89
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" coarup.exe -
Executes dropped EXE 1 IoCs
pid Process 4768 coarup.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /u" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /d" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /f" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /g" coarup.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /l" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /p" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /v" coarup.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /e" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /m" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /b" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /s" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /y" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /w" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /t" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /o" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /q" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /a" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /n" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /r" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /c" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /i" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /s" e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /z" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /x" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /k" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /j" coarup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coarup = "C:\\Users\\Admin\\coarup.exe /h" coarup.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 968 e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe 968 e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe 4768 coarup.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 968 e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe 4768 coarup.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 968 wrote to memory of 4768 968 e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe 80 PID 968 wrote to memory of 4768 968 e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe 80 PID 968 wrote to memory of 4768 968 e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe"C:\Users\Admin\AppData\Local\Temp\e050a4a89609cd2015763f5aca43d5cf64f5442314e7a5b521147981ad96868f.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Users\Admin\coarup.exe"C:\Users\Admin\coarup.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4768
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
192KB
MD5bee51a862b719c0eb4b2729c8588a127
SHA1353a0f0687123e252e05fe26bc0eae653e14b928
SHA256b065b6094f160a751d98028e377c5b37c82f9f920fe2407c4abc4aeaaa9a6ebb
SHA512e5e0e5abf9a128a539f482d327cd725bd50a87b604fb67bfcea151e4d8acaac29a192631befb0f2b57ff998196282fae879656f988b9b2980cc35d9f435119c9
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Filesize
192KB
MD5bee51a862b719c0eb4b2729c8588a127
SHA1353a0f0687123e252e05fe26bc0eae653e14b928
SHA256b065b6094f160a751d98028e377c5b37c82f9f920fe2407c4abc4aeaaa9a6ebb
SHA512e5e0e5abf9a128a539f482d327cd725bd50a87b604fb67bfcea151e4d8acaac29a192631befb0f2b57ff998196282fae879656f988b9b2980cc35d9f435119c9