Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 19:20

General

  • Target

    40b1a8c22cf69a4cecce1c2fee1f5a5f29a7340cf28bf5076fe79e645d29e28e.exe

  • Size

    29KB

  • MD5

    e71203097fe5dd932255489e81e2755b

  • SHA1

    214f05e8d4a09aa5f2de1d738c8f1b4ad4d8b967

  • SHA256

    40b1a8c22cf69a4cecce1c2fee1f5a5f29a7340cf28bf5076fe79e645d29e28e

  • SHA512

    fbd0c2963baf801b986c62360e163dcff7bec1b43076f99461a58bddc539b3fbef6015c514f18ec27e5a1955c4866b5e47788fcc777a0089b30e9561f8f8a050

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/5hp:AEwVs+0jNDY1qi/qRT

Malware Config

Signatures

  • Detects MyDoom family 9 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\40b1a8c22cf69a4cecce1c2fee1f5a5f29a7340cf28bf5076fe79e645d29e28e.exe
    "C:\Users\Admin\AppData\Local\Temp\40b1a8c22cf69a4cecce1c2fee1f5a5f29a7340cf28bf5076fe79e645d29e28e.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:2120
    • 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:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    a2ab6267a31638f3104105b0b6e868e9

    SHA1

    371fa138470a9a9cbaca40847ac3f0e461b8ade8

    SHA256

    60617802fd763af2f95a3c15a83d93a5fa98419e33f75748b6e9e66ff011893b

    SHA512

    0443f19aed509cac9e16ec9711d248983b32ad00ef3099f5466afb02b78b3a57178bdc1eb9e568742841ad4a9fd13a8a8c33646e3f2a43e7b8dbd8ec21b3baca

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\40WV1DY9\default[2].htm

    Filesize

    305B

    MD5

    157431349a057954f4227efc1383ecad

    SHA1

    69ccc939e6b36aa1fabb96ad999540a5ab118c48

    SHA256

    8553409a8a3813197c474a95d9ae35630e2a67f8e6f9f33b3f39ef4c78a8bfac

    SHA512

    6405adcfa81b53980f448c489c1d13506d874d839925bffe5826479105cbf5ba194a7bdb93095585441c79c58de42f1dab1138b3d561011dc60f4b66d11e9284

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\8B420DKQ\search[2].htm

    Filesize

    25B

    MD5

    8ba61a16b71609a08bfa35bc213fce49

    SHA1

    8374dddcc6b2ede14b0ea00a5870a11b57ced33f

    SHA256

    6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

    SHA512

    5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LW44N8OS\default[1].htm

    Filesize

    315B

    MD5

    14b82aec966e8e370a28053db081f4e9

    SHA1

    a0f30ebbdb4c69947d3bd41fa63ec4929dddd649

    SHA256

    202eada95ef503b303a05caf5a666f538236c7e697f5301fd178d994fa6e24cf

    SHA512

    ec04f1d86137dc4d75a47ba47bb2f2c912115372fa000cf986d13a04121aae9974011aa716c7da3893114e0d5d0e2fb680a6c2fd40a1f93f0e0bfd6fd625dfa7

  • C:\Users\Admin\AppData\Local\Temp\Cab450.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar4B0.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\tmp2A2.tmp

    Filesize

    29KB

    MD5

    e71203097fe5dd932255489e81e2755b

    SHA1

    214f05e8d4a09aa5f2de1d738c8f1b4ad4d8b967

    SHA256

    40b1a8c22cf69a4cecce1c2fee1f5a5f29a7340cf28bf5076fe79e645d29e28e

    SHA512

    fbd0c2963baf801b986c62360e163dcff7bec1b43076f99461a58bddc539b3fbef6015c514f18ec27e5a1955c4866b5e47788fcc777a0089b30e9561f8f8a050

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

    Filesize

    320B

    MD5

    aaf63b4dede7befd5dd8e4dc977f2b87

    SHA1

    ba644435c40f4d772f373d8f8e7c51fec99a9a26

    SHA256

    809dc57ac6166dc81871dad5564d9af9a5938ec13262808fe8f33a8a3f186d76

    SHA512

    455acc982c608d4ef49c0aa2d785db695275dcffaf596bfdd414171be05db36d3d93a6b3ce4720cc25386d7a34e93a67161d40a7894131f7bfde4d12610a01ad

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

    Filesize

    320B

    MD5

    8189c6870d79c78ab18da8f22a3e4d0d

    SHA1

    7af69ad62a9e1a303298c1666452dd0af18a496a

    SHA256

    2f9013d0bb9a4809491cfe38d2ab784b5c0b8d6f61d5d049b7b820d22397c6dd

    SHA512

    f8dbe1b08cd1957e42a18dffa069bc430f3c41aeca1b6d625a7da8587a1db78a22b02f66197732b6cc213f312425c05d85f1f5eb0f8d4e4560d73c935d035f59

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/2120-17-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2120-32-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2120-230-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2120-303-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2120-18-0x0000000000220000-0x0000000000228000-memory.dmp

    Filesize

    32KB

  • memory/2120-72-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2120-58-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2120-0-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2120-60-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2120-4-0x0000000000220000-0x0000000000228000-memory.dmp

    Filesize

    32KB

  • memory/2120-65-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2120-9-0x0000000000220000-0x0000000000228000-memory.dmp

    Filesize

    32KB

  • memory/2120-82-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2532-26-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-73-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-78-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-71-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-83-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-66-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-61-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-59-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-38-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-33-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-31-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-231-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-21-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-20-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-304-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2532-11-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB