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
    08-12-2024 02:21

General

  • Target

    b66c5dad38f1d9f405cd5268beb3a479848b096131380871be9fe54601924836.exe

  • Size

    29KB

  • MD5

    ac9089a6ee50d68f65cf7c7d6528c5ef

  • SHA1

    f363b607532d86d3c961756a6e76ed86bcec714a

  • SHA256

    b66c5dad38f1d9f405cd5268beb3a479848b096131380871be9fe54601924836

  • SHA512

    9f2bb0e09bf29bcc6fb3d879ba030f35c600233de32a0ee0af9b01d32663d6def9fc72db5e8426e3e3cad3eb2e4a1c4e5fb9814efe17682abdbab59249a075b3

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/9:AEwVs+0jNDY1qi/ql

Malware Config

Signatures

  • Detects MyDoom family 11 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 29 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 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b66c5dad38f1d9f405cd5268beb3a479848b096131380871be9fe54601924836.exe
    "C:\Users\Admin\AppData\Local\Temp\b66c5dad38f1d9f405cd5268beb3a479848b096131380871be9fe54601924836.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:2432
    • 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:2404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1LNUKNV0\default[2].htm

    Filesize

    306B

    MD5

    e0c3b4c8541e5bc3cf19d22ccf8365d6

    SHA1

    9ac1347e4dbce09ddacc47ff46b9cb15b01fd77d

    SHA256

    69e3c690688497ac57963720235b9181d6ab79161289aed6bc518f2284e75696

    SHA512

    3c6a7bb5b195dd5e973d180f051ad4979d37bfaa489e6e22c239a2efc007a203c72732496d0db1324a16344606510cba911af242337bd96da4f9832c9f6552aa

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\IAE3FJ0M\default[2].htm

    Filesize

    308B

    MD5

    ccfe63b884fe4225fa33f618a54ce37a

    SHA1

    bbb0778c1597eafe7fb9c5c65412f8ab04b2e311

    SHA256

    f7dd5bab49466a4cdb6a7f5a0e07a158f7a1567bd809ed745812469775b33112

    SHA512

    858f345503c89ba075b374764145fba5b1a9d3440d1628edeab0a3e02cc7cbfbe1119c20747026e69d630ed262d3c91c5073ef06823cf727dfcb11605c7c5ff8

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\IAE3FJ0M\search[2].htm

    Filesize

    25B

    MD5

    8ba61a16b71609a08bfa35bc213fce49

    SHA1

    8374dddcc6b2ede14b0ea00a5870a11b57ced33f

    SHA256

    6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

    SHA512

    5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

  • C:\Users\Admin\AppData\Local\Temp\Cab95B3.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar95D5.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\tmp953F.tmp

    Filesize

    29KB

    MD5

    b97e81f2031a172e38dbce10f9d8ca65

    SHA1

    67bac90264e66b12db4a52002ff2d3440fbc4131

    SHA256

    4657189fb7656b510055b98a1c9955c8e11f7d3b3a7f39aad92d9195e0d081f4

    SHA512

    2e80e0ac0e0e1f838f9710d18eb0200ee4f9b8c3f7fec65bfda3d71db4f47623acab2ee9a7be6125d209d4a52aa461ca2862d2f2b034fe50c4f1612219c338a5

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

    Filesize

    352B

    MD5

    21db8324041ab7c594dac19505a50f5e

    SHA1

    58a98c6594466ca4a6754e535f72c3a2b672e34b

    SHA256

    be21b48f08cd85244cc34b4a2b8a988fdda4051f550889b121e35cfe40ce5f88

    SHA512

    15a8b13df4ba4c60017f9327a290b754ec648ec8bdb0984e17a8cf3e86b457e80a828596470e6b4851896941f2bcdff9ccba613e30bb73d8c139798f6fa8a00f

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

    Filesize

    352B

    MD5

    a65ff25ba0b5c79115f35185066ba8c2

    SHA1

    c018930ac56e2692b30309958861557e64ca1029

    SHA256

    076fbd3818cf55a2da8c9cc3a86ace4382b06a2b32431c967ed22682c2c8ef0b

    SHA512

    7418a612a98c37bfdd3cc99b0c47aa61d1f079d41cfdcd6a84161db1e0abb867cf083c555f673089f92102f54e61cc72de90ef9d2de332211fae96832658fad6

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

    Filesize

    320B

    MD5

    1fad90016da70c7d8355950148a1082e

    SHA1

    f548d95cae0ed56e76282684c4239f3bcdcead93

    SHA256

    0360c13128de3f481f452ab365da4d1644d219a214073cc40468fe7061c46f26

    SHA512

    cd027f287170e3f8ef8eb46a5176541ac8fe1190099f5d1886e7e30343eb71a6a3cdd3f3bed999848418a511c3362d7f123ae6514e947e0af16147b9240d3f10

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/2404-74-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-195-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-37-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-266-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-42-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-32-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-30-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-79-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-58-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-25-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-62-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-19-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-67-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-20-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2404-69-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2432-57-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2432-2-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2432-73-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2432-68-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2432-66-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2432-17-0x00000000001B0000-0x00000000001B8000-memory.dmp

    Filesize

    32KB

  • memory/2432-36-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2432-193-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2432-16-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2432-265-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2432-41-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2432-9-0x00000000001B0000-0x00000000001B8000-memory.dmp

    Filesize

    32KB

  • memory/2432-4-0x00000000001B0000-0x00000000001B8000-memory.dmp

    Filesize

    32KB