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Analysis
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max time kernel
90s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
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submitted
29/12/2022, 12:16
General
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Target
file.exe
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Size
1.9MB
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MD5
ba1d8b54bb381d8b4694806d1c325696
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SHA1
5067a25cd96a8d628123f02d5fbd12f08764609a
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SHA256
8e3c53be955a39706853a6fa0d3e11d12c57092d6fdc5926bd5d9b1875551341
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SHA512
353b4223e5bf6156c698d38c8f582925f521dd63232fe1df43948de18e950a79305bd3b20662ba3af92f4c0f0b90f537971d70ca19917c4a6c1fbf7c2c49324c
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SSDEEP
49152:FitsjBjNNy2mWdKTc4sNcj2al3YDDpEhkTxu+4+Hth963:FitsV7y2GSkOZ19u+4+HtHC
Malware Config
Signatures
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Executes dropped EXE 2 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 17 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 6 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-UP9VC.tmp\is-K50BJ.tmp"C:\Users\Admin\AppData\Local\Temp\is-UP9VC.tmp\is-K50BJ.tmp" /SL4 $B004C "C:\Users\Admin\AppData\Local\Temp\file.exe" 1672094 1664002⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Split Files\SplitFiles124.exe"C:\Program Files (x86)\Split Files\SplitFiles124.exe"3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.2MB
MD5b232e442fc2fc2ac7b0708471ca032e3
SHA110759971918b313c4866168e1681625308f9b8b9
SHA256dfd2b299a0848483f04e1f24dc0d05f4996fff927d9ee79adb481a6e38dd5f3c
SHA512b5e6e9bf4d757b8e3ea2197f3d6c10ea98762682f94060bb883f201c76c550227b0aef86b951d760e86c430cd63efbce682e1245f151c6a0180b07464522f63e
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Filesize
3.2MB
MD5b232e442fc2fc2ac7b0708471ca032e3
SHA110759971918b313c4866168e1681625308f9b8b9
SHA256dfd2b299a0848483f04e1f24dc0d05f4996fff927d9ee79adb481a6e38dd5f3c
SHA512b5e6e9bf4d757b8e3ea2197f3d6c10ea98762682f94060bb883f201c76c550227b0aef86b951d760e86c430cd63efbce682e1245f151c6a0180b07464522f63e
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
756KB
MD588c7387a76635a30298c1fea18eb963d
SHA18a01e609d9f076fd09ec9eec99b512c3571efdbc
SHA2560cf25da416c0de0814b116f3b917412415e285622149b82d6ee701d94316427b
SHA512e3d7736fa09f81ff239ce20b9c7cfacc171b63a215f5658c0de9f57dfbb4b9fb7dd96875ecacd7e652d06ff100fa4f7fca63ba2688d48b122bf03c8dbd08ad2b
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Filesize
756KB
MD588c7387a76635a30298c1fea18eb963d
SHA18a01e609d9f076fd09ec9eec99b512c3571efdbc
SHA2560cf25da416c0de0814b116f3b917412415e285622149b82d6ee701d94316427b
SHA512e3d7736fa09f81ff239ce20b9c7cfacc171b63a215f5658c0de9f57dfbb4b9fb7dd96875ecacd7e652d06ff100fa4f7fca63ba2688d48b122bf03c8dbd08ad2b
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Filesize
188KB
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Filesize
188KB
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Filesize
188KB
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Filesize
17.2MB
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Filesize
17.2MB