Analysis

  • max time kernel
    120s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2024, 03:19

General

  • Target
    53c05191d46dcba886b0ffe9652ec630N.exe
  • Size 59KB
  • Sample240905-dvmmwssbll
  • SHA256 b48a41c11435a5ddb20161eb61815c7e13bb2884e6ee83460f1dc97bef732d39
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Renames multiple (4707) files with added filename extension

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 60 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
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53c05191d46dcba886b0ffe9652ec630N.exe
    "C:\Users\Admin\AppData\Local\Temp\53c05191d46dcba886b0ffe9652ec630N.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:4712
    • C:\Users\Admin\AppData\Local\Temp\_user-48.png.exe
      "_user-48.png.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:3488

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.exe

        • Path C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.exe
        • Size 30KB
        • SHA256 1496768bb5302e9875ee07ab5d23b54a779dc1294f842a8224d5b5be4591a790
        • MD5 SHA1 SHA512 SSDEEP

        desktop.ini.exe.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.exe.tmp
        • Size 59KB
        • SHA256 bd768e64d547c3754c4b55d8edeb3a77202752bbebd5ded143222adc1febb630
        • MD5 SHA1 SHA512 SSDEEP

        7-zip.chm.tmp

        • Path C:\Program Files\7-Zip\7-zip.chm.tmp
        • Size 142KB
        • SHA256 c8fbe1b7822333eed86c95e2a89fa94be53098e741538b9f294cd78a1807c591
        • MD5 SHA1 SHA512 SSDEEP

        7-zip32.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip32.dll.tmp
        • Size 95KB
        • SHA256 dca2699d04f4810abd619a34ff264c4b7c61bd4f520ddf73cde2a53f031509c1
        • MD5 SHA1 SHA512 SSDEEP

        7z.dll.tmp

        • Path C:\Program Files\7-Zip\7z.dll.tmp
        • Size 32KB
        • SHA256 241f03690309f43f3c16309285cb61a811f129665954b82e3428ce0a34a0e075
        • MD5 SHA1 SHA512 SSDEEP

        7z.exe.tmp

        • Path C:\Program Files\7-Zip\7z.exe.tmp
        • Size 574KB
        • SHA256 94063eabee9b422056ead25d3878ee5525bf579a7aad31cc2f7509eefbd1e76c
        • MD5 SHA1 SHA512 SSDEEP

        7z.sfx.tmp

        • Path C:\Program Files\7-Zip\7z.sfx.tmp
        • Size 239KB
        • SHA256 81d6b2f9576b3bc91b57cc368614526f9daa6f3c2f6532d34c366479120e3ac4
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 28KB
        • SHA256 3cdecf0e50979cf9f0870e90b5dc66ef6bb174741587eb6a8e5712b50ed084e4
        • MD5 SHA1 SHA512 SSDEEP

        7zFM.exe.tmp

        • Path C:\Program Files\7-Zip\7zFM.exe.tmp
        • Size 960KB
        • SHA256 59a484e13294561a1fc59c0899f9f606ccda98cf269c78c4e1d2f128ef260ea1
        • MD5 SHA1 SHA512 SSDEEP

        7zG.exe.tmp

        • Path C:\Program Files\7-Zip\7zG.exe.tmp
        • Size 713KB
        • SHA256 d96555dd3df07ea5283f97711f5741bacd118e6638ab939555ca87dc93449664
        • MD5 SHA1 SHA512 SSDEEP

        af.txt.exe

        • Path C:\Program Files\7-Zip\Lang\af.txt.exe
        • Size 39KB
        • SHA256 a01bedf239cbc0e8d0edf0cd8b3184ac31e20793909a07d5040641989fd3682b
        • MD5 SHA1 SHA512 SSDEEP

        an.txt.exe

        • Path C:\Program Files\7-Zip\Lang\an.txt.exe
        • Size 36KB
        • SHA256 4118e5a91f034dd18fcfdd74b3f6f198eb9297973d5d19bf68bb62e3246119e5
        • MD5 SHA1 SHA512 SSDEEP

        ar.txt.exe

        • Path C:\Program Files\7-Zip\Lang\ar.txt.exe
        • Size 41KB
        • SHA256 a7829e4e5760cb653bf6ed73a12c359b89fdbbb96d92f17cfffe4080bc7d4cd5
        • MD5 SHA1 SHA512 SSDEEP

        ast.txt.exe

        • Path C:\Program Files\7-Zip\Lang\ast.txt.exe
        • Size 34KB
        • SHA256 3684d9b52230c48d1a34b1dfbc6cfa14e7c58258b31afd669f51dbe05ae10f2f
        • MD5 SHA1 SHA512 SSDEEP

        co.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\co.txt.tmp
        • Size 39KB
        • SHA256 801492a64a2353cb8c3bdc739642ce59a2771432edf377820959a296ca196bf8
        • MD5 SHA1 SHA512 SSDEEP

        da.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\da.txt.tmp
        • Size 38KB
        • SHA256 cd7d752457f71dbe89f755deef950021b2ad4aa44ade7689b83bc0cb01486027
        • MD5 SHA1 SHA512 SSDEEP

        de.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\de.txt.tmp
        • Size 30KB
        • SHA256 e25123224c1af4d8209dea5bbe92a96742b3e56a802904e3a17ab373e68cc4f9
        • MD5 SHA1 SHA512 SSDEEP

        en.ttt.tmp

        • Path C:\Program Files\7-Zip\Lang\en.ttt.tmp
        • Size 37KB
        • SHA256 bfffba71c7fb028e526f0e50aa6dbd72b2001498b6326380ca7c6b7aebba5935
        • MD5 SHA1 SHA512 SSDEEP

        eo.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eo.txt.tmp
        • Size 34KB
        • SHA256 ae8163a1da95079fd80ef218b542214ef887b3b5b76189a29fa1f5cf3d1ed13a
        • MD5 SHA1 SHA512 SSDEEP

        et.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\et.txt.tmp
        • Size 36KB
        • SHA256 ca5d43b7bc09a8bc4a33985fcc566cc61c93a52f58d3e84da345670a08737b18
        • MD5 SHA1 SHA512 SSDEEP

        eu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\eu.txt.tmp
        • Size 39KB
        • SHA256 96fcf622bd8966ab97ed1e12f3d4dc9661391cc8f15bee955fff52dc48716def
        • MD5 SHA1 SHA512 SSDEEP

        ext.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ext.txt.tmp
        • Size 37KB
        • SHA256 f633e6bb6f132a9073cf9fa4f249820e48da5c3850edb0f4fb51133832c87b56
        • MD5 SHA1 SHA512 SSDEEP

        fa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fa.txt.tmp
        • Size 43KB
        • SHA256 57f81ac9421d58c1ae0f28d438eec7547f3c5e47c715d85e4818c191184942be
        • MD5 SHA1 SHA512 SSDEEP

        fi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fi.txt.tmp
        • Size 39KB
        • SHA256 c6c0794e650e44ea8716c2abf7b046ec8c44e051dfb5184f3aedcf5aa7f24194
        • MD5 SHA1 SHA512 SSDEEP

        fr.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fr.txt.tmp
        • Size 40KB
        • SHA256 eaf03c2ef9344d5a07b496ef2b3105c8b7cd5055d96fc5578e5f7d887c089d15
        • MD5 SHA1 SHA512 SSDEEP

        fy.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\fy.txt.tmp
        • Size 36KB
        • SHA256 d9e4e8331f27fbc4fdaa9a5cac68c7de4bfd4abb0b9f417f58006de1e2403617
        • MD5 SHA1 SHA512 SSDEEP

        ga.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ga.txt.tmp
        • Size 38KB
        • SHA256 98a3585636691f452ea257ab13d98b44f202370c4fd91ab1d6e999a5568e108c
        • MD5 SHA1 SHA512 SSDEEP

        gl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gl.txt.tmp
        • Size 39KB
        • SHA256 e9187c277927557f55cdea9c53d2aea85677c4c4bf52fb79df16917cca5c27fd
        • MD5 SHA1 SHA512 SSDEEP

        gu.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\gu.txt.tmp
        • Size 47KB
        • SHA256 c5161176aa8faf466c6db4693c6af9619ae9f8601320e7a8a421e8242842f993
        • MD5 SHA1 SHA512 SSDEEP

        he.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\he.txt.tmp
        • Size 41KB
        • SHA256 b709d1e1c39dd02dba8606a587ff9bd5010f30e1bc21976f6d278f4ae878db8d
        • MD5 SHA1 SHA512 SSDEEP

        hi.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\hi.txt.tmp
        • Size 47KB
        • SHA256 72598b75701f6c655aec5bcc52d067390bb4f9a865c2c52242fb5d888d012f68
        • MD5 SHA1 SHA512 SSDEEP

        id.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\id.txt.tmp
        • Size 38KB
        • SHA256 4e3b4de905cf3739967418191204c698f0c8f7e60030e641a1bb131f6f3866c1
        • MD5 SHA1 SHA512 SSDEEP

        io.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\io.txt.tmp
        • Size 39KB
        • SHA256 a22cb610ddf68f1b6a3af1ac732f7ce69362772cf67bf966761993c1cec716b1
        • MD5 SHA1 SHA512 SSDEEP

        is.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\is.txt.tmp
        • Size 37KB
        • SHA256 0dcd20354cb5dc4292ffa762b830384690f37b8e1881888a2add32f7a6f2d022
        • MD5 SHA1 SHA512 SSDEEP

        it.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\it.txt.tmp
        • Size 39KB
        • SHA256 7472b2a25d3efacdbabdb88ee1c230ee1bd373db8b3e03e451376abdb38c01a2
        • MD5 SHA1 SHA512 SSDEEP

        ja.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ja.txt.tmp
        • Size 42KB
        • SHA256 ec1e51942773d80d6a31db6afd2889d7a23f920ba32e29235cc8f519cc5b089c
        • MD5 SHA1 SHA512 SSDEEP

        ka.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ka.txt.tmp
        • Size 48KB
        • SHA256 298cb779b72a7646a5374e8a045f2f7fd5fd269b12fdccf7923c3fb9208bd494
        • MD5 SHA1 SHA512 SSDEEP

        kaa.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kaa.txt.tmp
        • Size 29KB
        • SHA256 12934d1d97cc7cab39299161112fa881079a7d1f48cdf4bd2716fa5e2735772f
        • MD5 SHA1 SHA512 SSDEEP

        kab.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kab.txt.tmp
        • Size 37KB
        • SHA256 ceb4be29740a5efa5972e3fd87bd1fe150fe0d602d8e997e525a03f1c32b6630
        • MD5 SHA1 SHA512 SSDEEP

        kk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\kk.txt.tmp
        • Size 39KB
        • SHA256 02f8cce9fc611e65c7026bffe6c9249b46d490a6a12d21b951eb908e92c82404
        • MD5 SHA1 SHA512 SSDEEP

        ky.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ky.txt.tmp
        • Size 41KB
        • SHA256 a91929d53107f8b99b7d65d6a051cd285243366368446a3e26a59554c1383f9a
        • MD5 SHA1 SHA512 SSDEEP

        lij.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lij.txt.tmp
        • Size 36KB
        • SHA256 3509f15e036bb608e094bb6fe5b381519a1dd025caf93976f7789af179bf11e4
        • MD5 SHA1 SHA512 SSDEEP

        lt.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lt.txt.tmp
        • Size 39KB
        • SHA256 125eb8e608cdde95bc4897312278336f579b64153ce9bdb8cf2c9aabe1513e0f
        • MD5 SHA1 SHA512 SSDEEP

        lv.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\lv.txt.tmp
        • Size 34KB
        • SHA256 504149811f997a7a74a013af90df90ccb7bc36173ad0a9f4f6c042099c819d6a
        • MD5 SHA1 SHA512 SSDEEP

        mk.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mk.txt.tmp
        • Size 30KB
        • SHA256 5b376333c9eaa18626f1c15f405ae308cdf6ae2a179c3e20a662dacc762fd3d3
        • MD5 SHA1 SHA512 SSDEEP

        mn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mn.txt.tmp
        • Size 38KB
        • SHA256 4f34f2214cb28c740482c63f293c63a4fdd2687d8fce112eefd475ef8a4b9df9
        • MD5 SHA1 SHA512 SSDEEP

        mng2.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\mng2.txt.tmp
        • Size 51KB
        • SHA256 3b22075fb361c0f173eea6ebbb728f4e10557dc7fc44f571c8f002680508e9e9
        • MD5 SHA1 SHA512 SSDEEP

        nb.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nb.txt.tmp
        • Size 30KB
        • SHA256 096528c78c1e5aa185560df6e4ca82358a7c5cde888a894615584ad9302de4d6
        • MD5 SHA1 SHA512 SSDEEP

        ne.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ne.txt.tmp
        • Size 42KB
        • SHA256 25fb5a7ee9a41117d688a1580c78de8b96d847004e0c6d12b88b2fa4c64b5f95
        • MD5 SHA1 SHA512 SSDEEP

        nl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nl.txt.tmp
        • Size 39KB
        • SHA256 1231a999215533cf56a4b5245bc38657a71b431b109f4b3663cabea0598e1f0b
        • MD5 SHA1 SHA512 SSDEEP

        nn.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\nn.txt.tmp
        • Size 35KB
        • SHA256 9451cf8127f990a61399137580fd5b0280814066afc072c63411b65626a5d95c
        • MD5 SHA1 SHA512 SSDEEP

        pa-in.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pa-in.txt.tmp
        • Size 43KB
        • SHA256 3feccc849c75ce47f1265646880a45760f6db4c23724c021f309b849e7184ad2
        • MD5 SHA1 SHA512 SSDEEP

        pl.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pl.txt.tmp
        • Size 39KB
        • SHA256 40a6ef31e122b4ce3096784c5c93a6e78cf067b57439c0fe589f374598aedf57
        • MD5 SHA1 SHA512 SSDEEP

        ps.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\ps.txt.tmp
        • Size 38KB
        • SHA256 7ba5ca57a8802b7dfafb7085152abe5720fe46d23e484bb2a6fc5e67698e032e
        • MD5 SHA1 SHA512 SSDEEP

        pt-br.txt.tmp

        • Path C:\Program Files\7-Zip\Lang\pt-br.txt.tmp
        • Size 40KB
        • SHA256 6aa7e5fc88f484367c0e14a9b3dd0664ccabc951567017abbd82777ed9491d0c
        • MD5 SHA1 SHA512 SSDEEP

        System.Reflection.Emit.dll.tmp

        • Path C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.dll.tmp
        • Size 46KB
        • SHA256 96c8196869f583555a0e274aabbb149ea5be69ef39ef633ac0b1ab5bc3c2b184
        • MD5 SHA1 SHA512 SSDEEP

        _user-48.png.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_user-48.png.exe
        • Size 30KB
        • SHA256 7783a74cd079378605ce1d2bad4400c908cdbde2af9a9cadc52b264753cfbf81
        • MD5 SHA1 SHA512 SSDEEP

        Zombie.exe

        • Path C:\Windows\SysWOW64\Zombie.exe
        • Size 29KB
        • SHA256 b1a34ec2d86cddc141ade13e5f2d014c8a3a78b3a97a7296968b4c617ce26d98
        • MD5 SHA1 SHA512 SSDEEP

        memory/4700-0-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/4712-18-0x0000000000400000-0x000000000040A000-memory.dmp