Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 14:34

General

  • Target

    8538b2f58e8c0b9e14192833661626032c0efa425eae8c967f660087be66ae6c.exe

  • Size

    29KB

  • MD5

    c2fe041f42002d1ea1b7665dfce0dbce

  • SHA1

    0b70e37f58a158d166b0dc56fdcd690e1eef757c

  • SHA256

    8538b2f58e8c0b9e14192833661626032c0efa425eae8c967f660087be66ae6c

  • SHA512

    fdcc11ec9f25e9b2e7c765e519654b2903a5527e0d67170737688da2359822c6c4c49f9996ee59dd5529c065be16b5c158664525f90eac656d3013e34c809426

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/x:AEwVs+0jNDY1qi/qJ

Malware Config

Signatures

  • Detects MyDoom family 7 IoCs
  • MyDoom

    MyDoom is a Worm that is written in C++.

  • Mydoom family
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 26 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8538b2f58e8c0b9e14192833661626032c0efa425eae8c967f660087be66ae6c.exe
    "C:\Users\Admin\AppData\Local\Temp\8538b2f58e8c0b9e14192833661626032c0efa425eae8c967f660087be66ae6c.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Windows\services.exe
      "C:\Windows\services.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:1980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    528b99a8546a3cb498c47ca67a536676

    SHA1

    6827e761f9a483954e70b7f914f2fabf499f4f75

    SHA256

    fef5bcb3aefe3024c84d3b78d37c71bd9f16084cd1373ae6c12bdc2b7bb51509

    SHA512

    111c32e5fb0e51cded617245ee0b179e9652e1f17f77d33978e39443f41c4b4a3eb86e0556e0ae6faee8fbbf1c076869ca2339443aafde524b6d8134de7e843b

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

    Filesize

    342B

    MD5

    e067627ca538334ee3e10d2b86026ed6

    SHA1

    679fdac63b7294cd8f859bc86b5f7526b91b3af0

    SHA256

    271c873061b8c62d49bea68fa465c5a1b8a889c51d054a99a1a09665d2aaccd0

    SHA512

    378076258d0d821bce1a8ffea83f5cc4f28f1f64d249e124823b5aaa56d9558d4cd006cea2313020357a9966d13f075e41ce612ed6b4d021561b7c2f47d27a71

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\F91VN88R\search[1].htm

    Filesize

    25B

    MD5

    8ba61a16b71609a08bfa35bc213fce49

    SHA1

    8374dddcc6b2ede14b0ea00a5870a11b57ced33f

    SHA256

    6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

    SHA512

    5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

  • C:\Users\Admin\AppData\Local\Temp\CabCE03.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarCE06.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\tmpC296.tmp

    Filesize

    29KB

    MD5

    61cdbf0b0f46ab9856bcb6731c704be2

    SHA1

    bfff11a21ff733d476566d7facd142cd0bd91559

    SHA256

    5cf49ff74e30e7015dcff18b7c25d10d984dabf608dacf813014e022beff60e9

    SHA512

    96c7c794eb43dbead3e39a80124f7b2850c7b70166b6e1c1efebfa8255aaa0d1a9c7c00464b74977922d22e32022cfb35c424c2617a9b64f2330a2906caaba05

  • C:\Users\Admin\AppData\Local\Temp\vuqnx9bEaF.log

    Filesize

    320B

    MD5

    f26cb75d017b33f0235ccbe383a54439

    SHA1

    0d87d21d1efa91a29b6fb409479aa6f9c249cb84

    SHA256

    bfc8e6fe221c1c68b5358b282f6309b9374ca7df0ed71f020f06c736d60f041e

    SHA512

    fe873c380d0a3c0814218f2e3117a3e628ef66c9599da05e81da35f45083203a71fb5aa20c4d843aa9c2e2e46b74827d073353d7fd79ceb6245cfb0e931d663f

  • C:\Users\Admin\AppData\Local\Temp\zincite.log

    Filesize

    352B

    MD5

    e0234064391e156331608a01958afd88

    SHA1

    eec122d2edcd7c593d512725f87842c66e5ff38d

    SHA256

    972d5132da0d3428195708a6350c89ced05f83cf6cfe7293647cb1c62ab366f2

    SHA512

    c056ced72c5651945d851c39625ddd8741b7eb5f974c48406cfb6a84fdfb89325c032e1f6e081dcf1e72d68c711033aff7c95dbaa5fc5765b9c08406f5f6874b

  • C:\Users\Admin\AppData\Local\Temp\zincite.log

    Filesize

    352B

    MD5

    1ec22c5b736c165b61d90b68ab919478

    SHA1

    1ae289d02a6885df30db72dfd4eee499c1c17de6

    SHA256

    0f6e9fbf2a65bc3e0e2d068231e591b200326ebf2ae38982a34ec995f1465a47

    SHA512

    de7139fcae6b0e9ff3ddc078be64d01c910e3b5184eb9aca16dc9a38ca0fa532da325a893eda88b214b6aef130bafd136f4e00d3c8489b504aaa2dd815fb45ff

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/1980-83-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-105-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-41-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-43-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-36-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-31-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-29-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-18-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-64-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-19-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-69-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-24-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-71-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-76-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1980-81-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2504-80-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2504-0-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2504-70-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2504-104-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2504-40-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2504-68-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2504-63-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2504-16-0x0000000000230000-0x0000000000238000-memory.dmp

    Filesize

    32KB

  • memory/2504-15-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2504-3-0x0000000000230000-0x0000000000238000-memory.dmp

    Filesize

    32KB