Analysis

  • max time kernel
    150s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 04:06

General

  • Target
    cca32c64b77e1e1b6c36484fd5c4928f42500c6d865f7f29ddda5da1a032287c.exe
  • Size 267KB
  • Sample240614-ephx7aycnl
  • SHA256 cca32c64b77e1e1b6c36484fd5c4928f42500c6d865f7f29ddda5da1a032287c
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Renames multiple (4900) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX dump on OEP (original entry point) 56 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 58 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cca32c64b77e1e1b6c36484fd5c4928f42500c6d865f7f29ddda5da1a032287c.exe
    "C:\Users\Admin\AppData\Local\Temp\cca32c64b77e1e1b6c36484fd5c4928f42500c6d865f7f29ddda5da1a032287c.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:4452
    • C:\Users\Admin\AppData\Local\Temp\_Node.js command prompt.lnk.exe
      "_Node.js command prompt.lnk.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:2276

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe

        • Path C:\$Recycle.Bin\S-1-5-21-1337824034-2731376981-3755436523-1000\desktop.ini.exe
        • Size 133KB
        • SHA256 d9d4f04ade50ecbceeb53271236f6dd6d454780ac456f36aa25ad3f6cad3be71
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1337824034-2731376981-3755436523-1000\desktop.ini.exe.tmp
        • Size 267KB
        • SHA256 8c64602db2a4885a766ac567f95299bc612408ae5870df93480e22f5b035bd4f
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.tmp

        • Path C:\Program Files\7-Zip\7-zip.chm.tmp
        • Size 245KB
        • SHA256 7056090a81add72e575437c93d18da30692550e0ac1162eefe2e8bdf4633828b
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 231KB
        • SHA256 4c1f4ca6d2b7d25da1f1c94c49d956d1cf51305815525638ca2440aabacebbf9
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 678KB
        • SHA256 512d908eca4162fa638472fd83d57488ebcc57bf0998f55e7b27fdca27aac26e
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 344KB
        • SHA256 dc0b71a2c76e52bacbfdfa4c456623e9bfec6c408e00a01e6ae94afc4685f8d3
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 1.0MB
        • SHA256 6985f57227b72e3566facd96042267eafa791efb2242bccdddfba7ae11794a8a
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 818KB
        • SHA256 24894f8d5d39da2734e3ca0bd7de6c6b30eb8a784e41558407267d4aba9d6f75
        • MD5 SHA1 SHA512 SSDEEP

        History.txt.tmp

        • Path C:\Program Files\7-Zip\History.txt.tmp
        • Size 191KB
        • SHA256 c5ba1acdf3265717399df1ad74e706a3fbb8703ee49d1fd172237c7bb246f008
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\af.txt.tmp
        • Size 144KB
        • SHA256 162f2758ef91dd6f82b6a70a9b66804bce4558434b04350f9e86f84415c85de8
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\an.txt.tmp
        • Size 140KB
        • SHA256 02994aebb6d53ca1a2f423112695ef11b56c85663f74ef1327da1d54b21ecb31
        • MD5 SHA1 SHA512 SSDEEP

        ast.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ast.txt.tmp
        • Size 140KB
        • SHA256 54471e7e3595910b4f3f425a8094f20a48f77b62fe7729425ac54d403e02722d
        • MD5 SHA1 SHA512 SSDEEP

        az.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\az.txt.tmp
        • Size 142KB
        • SHA256 097b1a99617600924ae06a362d9f09a99df515f92b08282b964c21bbf88c19bf
        • MD5 SHA1 SHA512 SSDEEP

        bn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\bn.txt.tmp
        • Size 147KB
        • SHA256 8baab347c345535c82ac91137d5dafc42da9a3f7c492fce86897ffa45299ebe0
        • MD5 SHA1 SHA512 SSDEEP

        br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\br.txt.tmp
        • Size 138KB
        • SHA256 44e25e82881b6cf08987478bf8b178a2a3fe7df31f04136af04382f64a82db6b
        • MD5 SHA1 SHA512 SSDEEP

        ca.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ca.txt.tmp
        • Size 143KB
        • SHA256 b9d0efe7570999852641d6ea420d2c91d46d396de199d7e181a1e58534f7ae45
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 143KB
        • SHA256 8901e28f6e82e1894ea81418e3b18ecffaf20aabc0ac9cf1ceff19eeb745235d
        • MD5 SHA1 SHA512 SSDEEP

        cs.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cs.txt.tmp
        • Size 141KB
        • SHA256 3f2c6e572870f640f8f00696d2973acf5f636a4c9521833fa29ad4729602136f
        • MD5 SHA1 SHA512 SSDEEP

        cy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\cy.txt.tmp
        • Size 137KB
        • SHA256 e87cf020a21de5af71ae3ec571b168337743fee82854afd1ce47af470e50449b
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 141KB
        • SHA256 a7f52ef8e20b3372620a9642403fb93252012f6a8e04d12b42ca18aca5200d23
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 144KB
        • SHA256 e8a15d13d10c70e65a26751f2217f21bb711d11b547672fe3d79f25d1cb8cd02
        • MD5 SHA1 SHA512 SSDEEP

        el.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\el.txt.tmp
        • Size 151KB
        • SHA256 8af4d796273d3acdd188052b158facb2fc612e514df960414745aef33e5a73a6
        • MD5 SHA1 SHA512 SSDEEP

        es.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\es.txt.tmp
        • Size 144KB
        • SHA256 79b1a3cc5df435e8e017e4db6a5a68f212ead183b4f8a3734c2eedc6dbf30817
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 141KB
        • SHA256 c53579e45a32ba1d653208b869c6e451342292ef8236ad590ea15ec9e03b9729
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 143KB
        • SHA256 413722380eb95ec0d04bea9e4c53792e317fe70c01cc1ef9dd6583b7619beec4
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 142KB
        • SHA256 c2689e285cf3f5a5e30f1c3b3f40e67ecd555892138d9e68cc15394889ebbe30
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 146KB
        • SHA256 f843b2abd2d98838a04a684681f588191e19836fb2b4d32d911c0028d49162ef
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 141KB
        • SHA256 3c630a7c9e6596646378d10202a68f42d1a5f30e0fa58cfb68bd6923cc2d4b4e
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 144KB
        • SHA256 a6571e474ad834d7f83379ca38fefb547e86ff02dfef8ac1370f0d111db80f64
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 132KB
        • SHA256 1d54d6fb19eb2fe95f9bbd912bc804258bffc489f2bf895529e00b6bab8fbe8e
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 144KB
        • SHA256 68a4e8f5bb77b3102ae5be430f0baec3380f281e1ad54067ba2c9434d54bde52
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 152KB
        • SHA256 d0311cf8051e1594abfb17d98990b1f80e7a7341d0ecc16d7582e70476d01c3e
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 143KB
        • SHA256 c3065c571b82e9e930705b928335491b94d27128f40e7c1a18eef81b0ed8ab51
        • MD5 SHA1 SHA512 SSDEEP

        hr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hr.txt.tmp
        • Size 141KB
        • SHA256 12781d32d364b8bb1c46b81d4e587d0862ff30190341f2326bee248650cccc09
        • MD5 SHA1 SHA512 SSDEEP

        hy.txt.exe

        • Path C:\Program Files\7-Zip\Lang\hy.txt.exe
        • Size 146KB
        • SHA256 ccfdbf06f233d6650c8e8ca7ec69268bd23c1dd2be9c7dbd705f459fe4ac2f50
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 143KB
        • SHA256 3b1fe1dd6add65428c8adc75ecfc77399310e5b14465606f129f9ca09ed93f47
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 145KB
        • SHA256 cbe4d0c8db2c22406cf3c85039288d5d23bdaa3d67fd9f18058e0643ac569e36
        • MD5 SHA1 SHA512 SSDEEP

        ku-ckb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp
        • Size 146KB
        • SHA256 61e88525004c61647cb0f599b08b8ba08c151f1a472e819a0ca81a2dd7c17ecf
        • MD5 SHA1 SHA512 SSDEEP

        ku.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ku.txt.tmp
        • Size 138KB
        • SHA256 372464eb7b14a621a8941f57e2106393a4feb63935155f8e17b506c7dd996249
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 138KB
        • SHA256 c4a7aba31789d57fcdf843dfada61ecb70dd5453fa64489aa7cb12d28cc71f19
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 153KB
        • SHA256 65662faab2bacf1034b55401f8718b0c732e353a15b3dcc7501b9c8bc3071087
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 142KB
        • SHA256 a7e2e1fe60e35ae8dfc5bfc28a318578a829d4198e61ce5bfe86457d4908e7ed
        • MD5 SHA1 SHA512 SSDEEP

        nn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nn.txt.tmp
        • Size 138KB
        • SHA256 7a744ab57317dd968287c7ccce1e73fcefe6a8d50b83a38ea342349133d46b41
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 147KB
        • SHA256 a468187fd93701a819284b15cc8b1740833c78a7989f9bef81a5070e30ab4c5a
        • MD5 SHA1 SHA512 SSDEEP

        pt-br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
        • Size 144KB
        • SHA256 222a81ad41a3a88804f687a8e3c4951ed1229cbb98e93cbf9dece851e4becaaf
        • MD5 SHA1 SHA512 SSDEEP

        pt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt.txt.tmp
        • Size 142KB
        • SHA256 6c738842def38e6411f9ee38e48770843b71552f1e09cebe349fab6b56c0e026
        • MD5 SHA1 SHA512 SSDEEP

        ro.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ro.txt.tmp
        • Size 140KB
        • SHA256 94f5f0fa82d5c6bb52e2b7f968836d0eac6988e80db7d36b0ff3263030588547
        • MD5 SHA1 SHA512 SSDEEP

        ru.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ru.txt.tmp
        • Size 147KB
        • SHA256 50034e58abfc5f317ff040aae00d3f87d38ffcfaa3304ff49f4d4ff7ff4134c3
        • MD5 SHA1 SHA512 SSDEEP

        si.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\si.txt.tmp
        • Size 151KB
        • SHA256 df6112df29e4a86ee051263358c889ff04c86f2fb2dc6c5dc83a36e11a8511f4
        • MD5 SHA1 SHA512 SSDEEP

        sk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sk.txt.tmp
        • Size 141KB
        • SHA256 920503079ee69ef93f6205d2fd93ea143766e9560aa2dcd8bda3f61b413b67bc
        • MD5 SHA1 SHA512 SSDEEP

        sl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sl.txt.tmp
        • Size 143KB
        • SHA256 757d8ccf4cb20c423fe37d8161c9fa9838a2fae95174c5388e92fb1ad216aeb8
        • MD5 SHA1 SHA512 SSDEEP

        sr-spl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp
        • Size 141KB
        • SHA256 f0e2e1589564d069e506e544baaf516469f10807c88b7aed78e3903c87dfae2f
        • MD5 SHA1 SHA512 SSDEEP

        sv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\sv.txt.tmp
        • Size 141KB
        • SHA256 8999a139b4566fa4bb254de3d1489c09c1e8c6025c69daaaaab7b56a8446e1d6
        • MD5 SHA1 SHA512 SSDEEP

        descript.ion.tmp

        • Path C:\Program Files\7-Zip\descript.ion.tmp
        • Size 135KB
        • SHA256 bfb92844fb53aa42899e93c660c2eb04c7b4aa56fb850ac056933167a7a44627
        • MD5 SHA1 SHA512 SSDEEP

        ProjectStdR_Grace-ul-oob.xrm-ms.tmp

        • Path C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ul-oob.xrm-ms.tmp
        • Size 146KB
        • SHA256 b8373ff7c8a7857c1412be382061257c5e244272a05328fc10877957b5841e21
        • MD5 SHA1 SHA512 SSDEEP

        _Node.js command prompt.lnk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_Node.js command prompt.lnk.exe
        • Size 134KB
        • SHA256 a54f4d284b2d58265bc783db8f8767f379a2069d259e1df55d12d3119a95559e
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 132KB
        • SHA256 29b5a34e0d31d27589996ebd5fd41984bfadad9db7b0c70f4e91c2422185b454
        • MD5 SHA1 SHA512 SSDEEP

        memory/736-0-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/4452-10-0x0000000000400000-0x000000000040B000-memory.dmp