Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
25-01-2024 17:35
Static task
static1
Behavioral task
behavioral1
Sample
751bb7e94eea53e73da0c642939b37da.exe
Resource
win7-20231129-en
General
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Target
751bb7e94eea53e73da0c642939b37da.exe
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Size
385KB
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MD5
751bb7e94eea53e73da0c642939b37da
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SHA1
33dd32d353940f2b3998d439ccbd4f8dc29a4745
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SHA256
816ceac49c2d646e60cdb2dc54c860d9f8352c099eef6b9aad6521613348ad5f
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SHA512
565650cb842c3166861229c31cb1c992d5b31e35ab1e102758ebe6d14df53ccc3ea9ecd1c2d82440900deaa4190060317e8687c15fdf094869b1c0f34fc37ad5
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SSDEEP
12288:F0Jl/Ct2wbPCSl4csZB9FnA0I+gqMFK6O2S8B:CLCER24x79FnAF+5MU6Or8B
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
751bb7e94eea53e73da0c642939b37da.exepid Process 1928 751bb7e94eea53e73da0c642939b37da.exe -
Executes dropped EXE 1 IoCs
Processes:
751bb7e94eea53e73da0c642939b37da.exepid Process 1928 751bb7e94eea53e73da0c642939b37da.exe -
Loads dropped DLL 1 IoCs
Processes:
751bb7e94eea53e73da0c642939b37da.exepid Process 2932 751bb7e94eea53e73da0c642939b37da.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Processes:
751bb7e94eea53e73da0c642939b37da.exedescription ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 751bb7e94eea53e73da0c642939b37da.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 19000000010000001000000068cb42b035ea773e52ef50ecf50ec529030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47409000000010000000c000000300a06082b060105050703011d0000000100000010000000918ad43a9475f78bb5243de886d8103c140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c00b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f00740000000f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f20000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9 751bb7e94eea53e73da0c642939b37da.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 751bb7e94eea53e73da0c642939b37da.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
751bb7e94eea53e73da0c642939b37da.exepid Process 2932 751bb7e94eea53e73da0c642939b37da.exe -
Suspicious use of UnmapMainImage 2 IoCs
Processes:
751bb7e94eea53e73da0c642939b37da.exe751bb7e94eea53e73da0c642939b37da.exepid Process 2932 751bb7e94eea53e73da0c642939b37da.exe 1928 751bb7e94eea53e73da0c642939b37da.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
751bb7e94eea53e73da0c642939b37da.exedescription pid Process procid_target PID 2932 wrote to memory of 1928 2932 751bb7e94eea53e73da0c642939b37da.exe 28 PID 2932 wrote to memory of 1928 2932 751bb7e94eea53e73da0c642939b37da.exe 28 PID 2932 wrote to memory of 1928 2932 751bb7e94eea53e73da0c642939b37da.exe 28 PID 2932 wrote to memory of 1928 2932 751bb7e94eea53e73da0c642939b37da.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\751bb7e94eea53e73da0c642939b37da.exe"C:\Users\Admin\AppData\Local\Temp\751bb7e94eea53e73da0c642939b37da.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Users\Admin\AppData\Local\Temp\751bb7e94eea53e73da0c642939b37da.exeC:\Users\Admin\AppData\Local\Temp\751bb7e94eea53e73da0c642939b37da.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of UnmapMainImage
PID:1928
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06
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Filesize
385KB
MD5e7e2c9ba781afaeec2486b5623bbfda1
SHA1fa56ec8ad5243ef8d41e299b71a42b8e191bd8c6
SHA2560c05204c17053bd3918a9698d02aaad5904948a49d1d350c45ecf8fb5114801b
SHA5120538818d80b9276affda3cde311abf8de13e4c14fc6b637e8749eb462b7a88c3e8d410e3f437324bc242997ee77972088ea8b09a6bcf6601e8bd483f67b8b6fe