Analysis
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max time kernel
143s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
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submitted
11/07/2023, 09:44
General
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Target
file.exe
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Size
1.2MB
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MD5
03da9352d0aaaab667f01e2e7fc9ccab
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SHA1
f0f5af7b5e4dfac106d811bd900e543012bd1edc
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SHA256
e1019de0f28871b25d13920dcc58f2a85a85d9cce0c2fb5caafff71052cc4e81
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SHA512
72f573a87f8ecf70b4abd8829adfa35ee0c97510ca243ea08078ea2ebda8a5fd84cc547e0dba6c76f33c216957129ca164f531cd886c098e84ec45338e54c00f
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SSDEEP
24576:ffOym3/ZyfFA+vjZCf8/j4f0B8DiOp3dR9ZQbA+MIwQKnvGg6eubYFOWdl2vSBrE:fGlEfS+lCSks2D7p3sAX3nvGg6ApFeua
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-PMVCV.tmp\is-I996A.tmp"C:\Users\Admin\AppData\Local\Temp\is-PMVCV.tmp\is-I996A.tmp" /SL4 $50118 "C:\Users\Admin\AppData\Local\Temp\file.exe" 978713 1177602⤵
- 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 113⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵
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C:\Program Files (x86)\RetSpacer711\RetSpacer711.exe"C:\Program Files (x86)\RetSpacer711\RetSpacer711.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\{5b4c0313-19df-11ee-a3ec-806e6f6e6963}\NfsbcfGFivGVW.exe4⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "RetSpacer711.exe" /f & erase "C:\Program Files (x86)\RetSpacer711\RetSpacer711.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "RetSpacer711.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
MD54bb1c8f484e846da949235d24968a360
SHA159e5624f348cf734883b5361c4138c51e39e8838
SHA2562f87a85e4ae9999b0511bddd04cbd0c6e688e82a4adb519051fd0b81d2b8c6bc
SHA512b35276f0fe61d6404bc9b0b5704a30173906e5023cfba782d2e5b1d94aa63e4f9c3402ec34126192e54c4edb7be419a11a44771aa0bf02a6b45f5ea342106031
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Filesize
1.1MB
MD54bb1c8f484e846da949235d24968a360
SHA159e5624f348cf734883b5361c4138c51e39e8838
SHA2562f87a85e4ae9999b0511bddd04cbd0c6e688e82a4adb519051fd0b81d2b8c6bc
SHA512b35276f0fe61d6404bc9b0b5704a30173906e5023cfba782d2e5b1d94aa63e4f9c3402ec34126192e54c4edb7be419a11a44771aa0bf02a6b45f5ea342106031
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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
712KB
MD5d8c44f59161e44c570cc553a6c31daf5
SHA1ca28b3950c2742c8c651bc438fa86524e9fb47f4
SHA25668fd47d30592128096c574b6281493b9b8e2ca3e412ab7545d0df50d246a3f3f
SHA5126b4af10ad054df1f1d790002e56dfa8741c46e345b9705f321d92fa1246c75b7fa326f9f33d3fe6a6ccfe8d4c163b8e3dd847ac388e5d468e31ca4c683ddf390
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Filesize
712KB
MD5d8c44f59161e44c570cc553a6c31daf5
SHA1ca28b3950c2742c8c651bc438fa86524e9fb47f4
SHA25668fd47d30592128096c574b6281493b9b8e2ca3e412ab7545d0df50d246a3f3f
SHA5126b4af10ad054df1f1d790002e56dfa8741c46e345b9705f321d92fa1246c75b7fa326f9f33d3fe6a6ccfe8d4c163b8e3dd847ac388e5d468e31ca4c683ddf390
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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
15.1MB
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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
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Filesize
140KB
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Filesize
140KB
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Filesize
140KB
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Filesize
772KB
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Filesize
4KB
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Filesize
772KB