Analysis

  • max time kernel
    143s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 23:19

General

  • Target

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

  • Size

    669KB

  • MD5

    ead18f3a909685922d7213714ea9a183

  • SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

  • SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

  • SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • SSDEEP

    6144:bLUHLyHlwFjxDi2nEZkQ4NXxp0XMgkBWPqdN/jGdfYY7SRA7j4YlvfYAAjJ:4uFi02nEZh4jp0XLuxGdgTm73vL

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 6 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • UPX packed file 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\47ad7667-8db1-4fee-9c0f-7e965721cdec" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:2728
    • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
      "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --ForNetRes "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1 IsNotAutoStart IsNotTask
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2596 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2300
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2672 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    1KB

    MD5

    67e486b2f148a3fca863728242b6273e

    SHA1

    452a84c183d7ea5b7c015b597e94af8eef66d44a

    SHA256

    facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

    SHA512

    d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    174B

    MD5

    c67316b0cb1ab9a5868c0c25b93ecc21

    SHA1

    15a0303734fec129fd8363346a54720043b432a5

    SHA256

    d8d46418bbefcc8ecc46345a9cb9f2a0532fefcb54d924064500e065db908ca0

    SHA512

    058cc1e3c648da237baca9f5f3ed0568f931142e23c41ddd79c4802e403c47962619a5f96c6c39df606585217a19b67bcba0650ebfa34c86e49a192c9c720f7f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    1263a8dfeb1d4366f6dc849e632eb71e

    SHA1

    f250d9b228fb5021e2e02d32bb8acfccb4be29fc

    SHA256

    75b3a19f04a16587be069d730221c56169838e133b41498337ef8c4d75b562b7

    SHA512

    cb8ce9bcb3bb7c7d0ef297ef01beaa57481b6504d558fa34e63a3c487940ba915ba34096535f2e617fbe5bf3aaaff88e738d3dd7a4813790c8f7ce8700685dd7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    170B

    MD5

    554f13cac064b6ff1b5dbd6270c67755

    SHA1

    fc34de8ffe7675fa55262b3a11cd936560836216

    SHA256

    278d170157905e102234db3235d978e32ad6d7a140b66e0053b24978995abc9c

    SHA512

    61008b0b09fc3005b363361ed5a6d862f3c589739948e711f4f729d3ec1e0cdee5bc2b661a085d4daeb2afd2be0619acce1e92a14e41bde7226d378fec536872

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    82d48e3ff29c02b04741e4cf4d1d4aec

    SHA1

    856b98573589caaaf7346bbb58f5d5acc93123d7

    SHA256

    557b27558610bd153fd251fac6b31641b30d2d1c122ee6f69a4dfcc81c6cc601

    SHA512

    b48fc77a309d44d3cc2d7c296bf8ef998b9ea56a4c8ecba70a8586df3cce89f4926ce411bdd22f821f80f1fdc6f8be5ded423899894686fda4d7593043f0fbde

  • C:\Users\Admin\AppData\Local\47ad7667-8db1-4fee-9c0f-7e965721cdec\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

    Filesize

    669KB

    MD5

    ead18f3a909685922d7213714ea9a183

    SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

    SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

    SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • C:\Users\Admin\AppData\Local\Temp\Cab74A3.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarEF30.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/376-86-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2300-82-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2596-83-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2672-29-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2672-84-0x0000000002850000-0x00000000028F9000-memory.dmp

    Filesize

    676KB

  • memory/2672-87-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2672-45-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2672-47-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2672-48-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2672-49-0x0000000002850000-0x00000000028F9000-memory.dmp

    Filesize

    676KB

  • memory/2672-30-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2672-85-0x0000000002850000-0x00000000028F9000-memory.dmp

    Filesize

    676KB

  • memory/2688-3-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2688-26-0x0000000000600000-0x0000000000700000-memory.dmp

    Filesize

    1024KB

  • memory/2688-27-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2688-25-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2688-23-0x0000000003CA0000-0x0000000003D49000-memory.dmp

    Filesize

    676KB

  • memory/2688-2-0x0000000000600000-0x0000000000700000-memory.dmp

    Filesize

    1024KB

  • memory/2688-0-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB