Analysis
- max time kernel
140s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system - submitted
07/09/2023, 06:07
Behavioral task
behavioral1
Sample
b87a8c88ccee7bcdd33e3a217756b07f.exe
Resource
win7-20230831-en
6 signatures
150 seconds
General
- Target b87a8c88ccee7bcdd33e3a217756b07f.exe
- Size 220KB
- Sample230907-gva6msfa27
- SHA256 d4463b448b1d6850d136f4ddf5e7a04db78fa3a64b57dfdb04e1bdd1f27faa4d
- MD5 b87a8c88ccee7bcdd33e3a217756b07f
- SHA1 8c0ac5d5ca8616ef1bb78d7a10f25673cc8bfe23
- SHA512 34492489646f7cf2cff799198ce52310f21f3b3a3e0d4442eb8041451570f15cf41b29357eee2ab43d5a79c4c9a552e43874e1261ee5c4a72c3f3946f0e98537
- SSDEEP 6144:V7Vj3uVUn27+6qQx41QPF2nnugMeS2SpY:xwYfQx9FOnugMeS2
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
3.89
C2
-
77.91.68.52/mac/index.php
Attributes
-
install_dir
fefffe8cea
-
install_file
explonde.exe
-
strings_key
916aae73606d7a9e02a1d3b47c199688
rc4.plain
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\Control Panel\International\Geo\Nation b87a8c88ccee7bcdd33e3a217756b07f.exe Key value queried \REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\Control Panel\International\Geo\Nation explonde.exe - Executes dropped EXE 3 IoCs
pid Process 4736 explonde.exe 4968 explonde.exe 3384 explonde.exe - Loads dropped DLL 1 IoCs
pid Process 4360 rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 400 schtasks.exe - Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1160 wrote to memory of 4736 1160 b87a8c88ccee7bcdd33e3a217756b07f.exe 84 PID 1160 wrote to memory of 4736 1160 b87a8c88ccee7bcdd33e3a217756b07f.exe 84 PID 1160 wrote to memory of 4736 1160 b87a8c88ccee7bcdd33e3a217756b07f.exe 84 PID 4736 wrote to memory of 400 4736 explonde.exe 85 PID 4736 wrote to memory of 400 4736 explonde.exe 85 PID 4736 wrote to memory of 400 4736 explonde.exe 85 PID 4736 wrote to memory of 4872 4736 explonde.exe 87 PID 4736 wrote to memory of 4872 4736 explonde.exe 87 PID 4736 wrote to memory of 4872 4736 explonde.exe 87 PID 4872 wrote to memory of 4840 4872 cmd.exe 89 PID 4872 wrote to memory of 4840 4872 cmd.exe 89 PID 4872 wrote to memory of 4840 4872 cmd.exe 89 PID 4872 wrote to memory of 4448 4872 cmd.exe 90 PID 4872 wrote to memory of 4448 4872 cmd.exe 90 PID 4872 wrote to memory of 4448 4872 cmd.exe 90 PID 4872 wrote to memory of 5008 4872 cmd.exe 91 PID 4872 wrote to memory of 5008 4872 cmd.exe 91 PID 4872 wrote to memory of 5008 4872 cmd.exe 91 PID 4872 wrote to memory of 920 4872 cmd.exe 92 PID 4872 wrote to memory of 920 4872 cmd.exe 92 PID 4872 wrote to memory of 920 4872 cmd.exe 92 PID 4872 wrote to memory of 2076 4872 cmd.exe 93 PID 4872 wrote to memory of 2076 4872 cmd.exe 93 PID 4872 wrote to memory of 2076 4872 cmd.exe 93 PID 4872 wrote to memory of 2248 4872 cmd.exe 94 PID 4872 wrote to memory of 2248 4872 cmd.exe 94 PID 4872 wrote to memory of 2248 4872 cmd.exe 94 PID 4736 wrote to memory of 4360 4736 explonde.exe 101 PID 4736 wrote to memory of 4360 4736 explonde.exe 101 PID 4736 wrote to memory of 4360 4736 explonde.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\b87a8c88ccee7bcdd33e3a217756b07f.exe"C:\Users\Admin\AppData\Local\Temp\b87a8c88ccee7bcdd33e3a217756b07f.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe"C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe"2⤵
- Checks computer location settings
- 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 explonde.exe /TR "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe" /F3⤵
- Creates scheduled task(s)
PID:400
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "explonde.exe" /P "Admin:N"&&CACLS "explonde.exe" /P "Admin:R" /E&&echo Y|CACLS "..\fefffe8cea" /P "Admin:N"&&CACLS "..\fefffe8cea" /P "Admin:R" /E&&Exit3⤵
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"4⤵PID:4840
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C:\Windows\SysWOW64\cacls.exeCACLS "explonde.exe" /P "Admin:N"4⤵PID:4448
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C:\Windows\SysWOW64\cacls.exeCACLS "explonde.exe" /P "Admin:R" /E4⤵PID:5008
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"4⤵PID:920
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C:\Windows\SysWOW64\cacls.exeCACLS "..\fefffe8cea" /P "Admin:N"4⤵PID:2076
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C:\Windows\SysWOW64\cacls.exeCACLS "..\fefffe8cea" /P "Admin:R" /E4⤵PID:2248
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-
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main3⤵
- Loads dropped DLL
PID:4360
-
-
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C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exeC:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe1⤵
- Executes dropped EXE
PID:4968
-
C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exeC:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe1⤵
- Executes dropped EXE
PID:3384
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
- Size 220KB
- SHA256 d4463b448b1d6850d136f4ddf5e7a04db78fa3a64b57dfdb04e1bdd1f27faa4d
- MD5 b87a8c88ccee7bcdd33e3a217756b07f
- SHA1 8c0ac5d5ca8616ef1bb78d7a10f25673cc8bfe23
- SHA512 34492489646f7cf2cff799198ce52310f21f3b3a3e0d4442eb8041451570f15cf41b29357eee2ab43d5a79c4c9a552e43874e1261ee5c4a72c3f3946f0e98537
- SSDEEP 6144:V7Vj3uVUn27+6qQx41QPF2nnugMeS2SpY:xwYfQx9FOnugMeS2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
- Size 220KB
- SHA256 d4463b448b1d6850d136f4ddf5e7a04db78fa3a64b57dfdb04e1bdd1f27faa4d
- MD5 b87a8c88ccee7bcdd33e3a217756b07f
- SHA1 8c0ac5d5ca8616ef1bb78d7a10f25673cc8bfe23
- SHA512 34492489646f7cf2cff799198ce52310f21f3b3a3e0d4442eb8041451570f15cf41b29357eee2ab43d5a79c4c9a552e43874e1261ee5c4a72c3f3946f0e98537
- SSDEEP 6144:V7Vj3uVUn27+6qQx41QPF2nnugMeS2SpY:xwYfQx9FOnugMeS2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
- Size 220KB
- SHA256 d4463b448b1d6850d136f4ddf5e7a04db78fa3a64b57dfdb04e1bdd1f27faa4d
- MD5 b87a8c88ccee7bcdd33e3a217756b07f
- SHA1 8c0ac5d5ca8616ef1bb78d7a10f25673cc8bfe23
- SHA512 34492489646f7cf2cff799198ce52310f21f3b3a3e0d4442eb8041451570f15cf41b29357eee2ab43d5a79c4c9a552e43874e1261ee5c4a72c3f3946f0e98537
- SSDEEP 6144:V7Vj3uVUn27+6qQx41QPF2nnugMeS2SpY:xwYfQx9FOnugMeS2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
- Size 220KB
- SHA256 d4463b448b1d6850d136f4ddf5e7a04db78fa3a64b57dfdb04e1bdd1f27faa4d
- MD5 b87a8c88ccee7bcdd33e3a217756b07f
- SHA1 8c0ac5d5ca8616ef1bb78d7a10f25673cc8bfe23
- SHA512 34492489646f7cf2cff799198ce52310f21f3b3a3e0d4442eb8041451570f15cf41b29357eee2ab43d5a79c4c9a552e43874e1261ee5c4a72c3f3946f0e98537
- SSDEEP 6144:V7Vj3uVUn27+6qQx41QPF2nnugMeS2SpY:xwYfQx9FOnugMeS2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
- Size 220KB
- SHA256 d4463b448b1d6850d136f4ddf5e7a04db78fa3a64b57dfdb04e1bdd1f27faa4d
- MD5 b87a8c88ccee7bcdd33e3a217756b07f
- SHA1 8c0ac5d5ca8616ef1bb78d7a10f25673cc8bfe23
- SHA512 34492489646f7cf2cff799198ce52310f21f3b3a3e0d4442eb8041451570f15cf41b29357eee2ab43d5a79c4c9a552e43874e1261ee5c4a72c3f3946f0e98537
- SSDEEP 6144:V7Vj3uVUn27+6qQx41QPF2nnugMeS2SpY:xwYfQx9FOnugMeS2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
- Size 89KB
- SHA256 30f0f0631054f194553a9b8700f2db747cb167490201a43c0767644d77870dbe
- MD5 2ac6d3fcf6913b1a1ac100407e97fccb
- SHA1 809f7d4ed348951b79745074487956255d1d0a9a
- SHA512 79ebf87dccce1a0b7f892473dfb1c0bff5908840e80bbda44235a7a568993a76b661b81db6597798ec6e978dc441dd7108583367ffdc57224e40d0bd0efe93b6
- SSDEEP 1536:po4NPCKLbqoYkbpplW9YoUsxXzbcouNhj2ZszsWuKcdJUw5aB89p:poUCWbBNpplToUs1uNhj25LJUcaB89p
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
- Size 89KB
- SHA256 30f0f0631054f194553a9b8700f2db747cb167490201a43c0767644d77870dbe
- MD5 2ac6d3fcf6913b1a1ac100407e97fccb
- SHA1 809f7d4ed348951b79745074487956255d1d0a9a
- SHA512 79ebf87dccce1a0b7f892473dfb1c0bff5908840e80bbda44235a7a568993a76b661b81db6597798ec6e978dc441dd7108583367ffdc57224e40d0bd0efe93b6
- SSDEEP 1536:po4NPCKLbqoYkbpplW9YoUsxXzbcouNhj2ZszsWuKcdJUw5aB89p:poUCWbBNpplToUs1uNhj25LJUcaB89p
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
- Size 89KB
- SHA256 30f0f0631054f194553a9b8700f2db747cb167490201a43c0767644d77870dbe
- MD5 2ac6d3fcf6913b1a1ac100407e97fccb
- SHA1 809f7d4ed348951b79745074487956255d1d0a9a
- SHA512 79ebf87dccce1a0b7f892473dfb1c0bff5908840e80bbda44235a7a568993a76b661b81db6597798ec6e978dc441dd7108583367ffdc57224e40d0bd0efe93b6
- SSDEEP 1536:po4NPCKLbqoYkbpplW9YoUsxXzbcouNhj2ZszsWuKcdJUw5aB89p:poUCWbBNpplToUs1uNhj25LJUcaB89p
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll
- Size 273B
- SHA256 871c61d5f7051d6ddcf787e92e92d9c7e36747e64ea17b8cffccac549196abc4
- MD5 0c459e65bcc6d38574f0c0d63a87088a
- SHA1 41e53d5f2b3e7ca859b842a1c7b677e0847e6d65
- SHA512 be1ca1fa525dfea57bc14ba41d25fb904c8e4c1d5cb4a5981d3173143620fb8e08277c0dfc2287b792e365871cc6805034377060a84cfef81969cd3d3ba8f90d
- MD5 SHA1 SHA512