Analysis
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max time kernel
144s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
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submitted
02/07/2023, 21:59
General
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Target
file.exe
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Size
1.1MB
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MD5
7fcf0d6173ea334c0661f7b5c173f11c
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SHA1
fbe789bd8058016f26ade5c42e7324f1f7a3a5ee
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SHA256
a4e9be0e8ecc1a6b29ede8c7fe20ff4d63af12faefc89b3279c6c3060f2824da
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SHA512
dc0368742b417ab5523713ba2e50b7cfe5b926590e2d2f6f3079fa24cef0b3777cb160d9d45f2e9b25de41ef9d6022461e49ee956b37c24a43f0577fcd6d083c
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SSDEEP
24576:JfOyj9Wt2HUg3NmTuviFcRfSG2sd4pVQpDo4Azl1knNUWCMW6:JGg9SgdmTGHfsstkl+vT
Malware Config
Extracted
gcleaner
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Signatures
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GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 1 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 1 IoCs
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Runs net.exe
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-SUJBM.tmp\is-PFTU3.tmp"C:\Users\Admin\AppData\Local\Temp\is-SUJBM.tmp\is-PFTU3.tmp" /SL4 $501A6 "C:\Users\Admin\AppData\Local\Temp\file.exe" 910387 737282⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 23⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 24⤵
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C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe"C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\{ffc6b42a-1041-11ee-bcae-806e6f6e6963}\lTKxPaJJ.exe4⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "RejSpacer72.exe" /f & erase "C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "RejSpacer72.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.1MB
MD5e739287a3e1cf5982ed6cb94f98553b9
SHA1f1e020c4eb090f32387538206f9a320bea7f6d68
SHA2566ed0a5c9e78ce4e33da86233d2dfdabca21a5fca828ab4d3d9fe5ca56ed42b38
SHA512b5b09d80f2e381feb556d37d3cf4a3afb6576ae1de9224bff4dde11efca819088b3de5d4dfa038dfdad8357a6b5a1aec34ebddde2f526512f072b5faeca0714c
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Filesize
1.1MB
MD5e739287a3e1cf5982ed6cb94f98553b9
SHA1f1e020c4eb090f32387538206f9a320bea7f6d68
SHA2566ed0a5c9e78ce4e33da86233d2dfdabca21a5fca828ab4d3d9fe5ca56ed42b38
SHA512b5b09d80f2e381feb556d37d3cf4a3afb6576ae1de9224bff4dde11efca819088b3de5d4dfa038dfdad8357a6b5a1aec34ebddde2f526512f072b5faeca0714c
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Filesize
4KB
MD5ce494d2d223aed950fea67f657d3fa3e
SHA197a19c02487c41e3a079cd6764afffeb5e838b26
SHA256c8fa111c5b9537e3b6cab9ba763e164e27fa469f2232b82a54b206a7d892b9e9
SHA512687bf3bd7de28dc45ea622672dc59d7e45d9ce83530a7db6462447ea247a9bde061738c454e09b48531aab9cce802c8491aa730e4da65e63daf31c65ffc39fe1
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
664KB
MD5ce35b2dad10a0e6d5e016772efb75ad2
SHA1ac38173e753c499655ba566493e3c3ff71878d92
SHA25631f933169e44b127e3f0a80077a088ed208c2504773a084bfca4de2f53b839c6
SHA512cdd97e8bbf568e9d6d6708bb427f3ce9d5433d320cd577e1e7bab1154c224efbb3960a24980ceec3e2bf471c72caf2309b13e7075c3216f6d43072d277a6642c
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Filesize
664KB
MD5ce35b2dad10a0e6d5e016772efb75ad2
SHA1ac38173e753c499655ba566493e3c3ff71878d92
SHA25631f933169e44b127e3f0a80077a088ed208c2504773a084bfca4de2f53b839c6
SHA512cdd97e8bbf568e9d6d6708bb427f3ce9d5433d320cd577e1e7bab1154c224efbb3960a24980ceec3e2bf471c72caf2309b13e7075c3216f6d43072d277a6642c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
724KB
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Filesize
4KB
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Filesize
724KB
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Filesize
96KB
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Filesize
96KB
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Filesize
96KB
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Filesize
15.1MB
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Filesize
108KB
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Filesize
15.1MB
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Filesize
15.1MB