Analysis

  • max time kernel
    122s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 17:34

General

  • Target

    3137efb151b9be7076a03365e92b5b18.exe

  • Size

    907KB

  • MD5

    3137efb151b9be7076a03365e92b5b18

  • SHA1

    d179f03798fb0a3aeca5610c829783c060243a96

  • SHA256

    c22b57eacc4dffd580f921f3a8b2c74d2466add8e84ed8c96b90ac171a04e2c6

  • SHA512

    31b9469f865d348e93094d707a0234b5fe338c679688f1ebf2cc937fbd8dc850e9b65cf9a4e98aebd63d90750e55134aef05fb3f853af7b5718d1e152f8bc937

  • SSDEEP

    24576:VrsVIPcrbhRlSZf8r/caDyJzxejpra/ZS1:oOcrdRlSZf8r/PyJzy9gS

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3137efb151b9be7076a03365e92b5b18.exe
    "C:\Users\Admin\AppData\Local\Temp\3137efb151b9be7076a03365e92b5b18.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\AppData\Local\Temp\3137efb151b9be7076a03365e92b5b18.exe
      C:\Users\Admin\AppData\Local\Temp\3137efb151b9be7076a03365e92b5b18.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3137efb151b9be7076a03365e92b5b18.exe

    Filesize

    57KB

    MD5

    3f356ad3553721a1584bc881275bf20c

    SHA1

    b0c7e6ef880d2577f4dbeff1369ae368e4d33d3a

    SHA256

    1f84dea8f5bbd22cbd5050b16eb55ee0bc90caf39afa3f0c4860231ea37f938a

    SHA512

    c00ae44a596b98d703d6dee13b2f5c966c7097642a79bc58f1e35719d7f55607b6f8d54a66ad64bb3d7169815d4b126db346a0fe80bff1cd035f3f5b2f7aca64

  • C:\Users\Admin\AppData\Local\Temp\Cab83E1.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar8413.tmp

    Filesize

    69KB

    MD5

    75d3875b21ccb09f59845dace2d03d09

    SHA1

    4813a9421ac51839497851a6cedf9a5301d8e551

    SHA256

    4c571369892287a189a2701c3d1b2ed3691cbd2a59f6b542bc61001d78641251

    SHA512

    eafabac5f325f7acf0c257e1bd858fbaaf472f27665fd76b5a70bd64d7a58e7dabd8d5bd1e70f85d5549396e6232617fedb82ac8889dee6fe89e24509354d5da

  • \Users\Admin\AppData\Local\Temp\3137efb151b9be7076a03365e92b5b18.exe

    Filesize

    53KB

    MD5

    f820aa37bf95fe6eda4527016c9d118d

    SHA1

    e78465af3bcc8579e9cdaf2c898db0dd78b91b3a

    SHA256

    16385ede99f43066cc57be7e033291cdde831d4ee29b34bed699e29e8f4f1c00

    SHA512

    55377e547557b241445d41487c58a3ab9601e64b5bda60786851a06fe2424f52021ae52c458561774f9189c6980517c8bdfc692d6b32d4115bff5360b52144d5

  • memory/1704-14-0x0000000003250000-0x0000000003338000-memory.dmp

    Filesize

    928KB

  • memory/1704-0-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/1704-13-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/1704-3-0x00000000014F0000-0x00000000015D8000-memory.dmp

    Filesize

    928KB

  • memory/1704-1-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/2776-18-0x00000000002F0000-0x00000000003D8000-memory.dmp

    Filesize

    928KB

  • memory/2776-23-0x0000000000400000-0x0000000000498000-memory.dmp

    Filesize

    608KB

  • memory/2776-24-0x0000000002FB0000-0x000000000306B000-memory.dmp

    Filesize

    748KB

  • memory/2776-16-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2776-77-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/2776-79-0x000000000DC60000-0x000000000DCF8000-memory.dmp

    Filesize

    608KB