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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2024, 12:51

General

  • Target

    fc82894f3d1cab299b671cf17cada0e0N.exe

  • Size

    49KB

  • MD5

    fc82894f3d1cab299b671cf17cada0e0

  • SHA1

    b4eef312f7c9cb753a94dd0d5380dea71ab90563

  • SHA256

    a2f9c3ecc6e032ffc4fcc87541e562b1a718f2993f76d7c3331f53a3e9d6f41d

  • SHA512

    33462ecd1f1095a783ce97707766bdd0ab57cb180d00aa7c7c9200a1530bc2161eba90d3899a61cb0ba6476088fba54ac1966233b6ca326555e9e994ec2c0910

  • SSDEEP

    768:Q8eRHO9lFh0ul16sh7iQroCH/f+RjFBSuB2XVw5:Q9lOZ16sh7iQroCuRB0ux

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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\fc82894f3d1cab299b671cf17cada0e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\fc82894f3d1cab299b671cf17cada0e0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe
      "C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    342B

    MD5

    42838b307740677b55666beca453d651

    SHA1

    cf5a0071e85e3771bc4810fb0b1cb3c079a559da

    SHA256

    300d6689afebff987341aac7e3412f2bbe759935422b8d44948dba35bcd50ee7

    SHA512

    fdb82f36492b506a65a810c6797e5d67adb276f7f06638302465214f9a4e63603646419ccddf95a37ca8aae11d9fa24fa20e712b50854f86d707a5bf761c25ea

  • C:\Users\Admin\AppData\Local\Temp\Cab9C70.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar9CD1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\bkgrnd.exe

    Filesize

    49KB

    MD5

    612a06ef971248026348758e86944c52

    SHA1

    ed2f39b2cd8a846a0e122bc35d0d885aaae9f080

    SHA256

    ae351678ec021b407eac397d38063d00d2ebcc5c289f70c5b16f51ddbee80075

    SHA512

    3df2c706536bf1b966cd1745dd00d7ab0bb3ea4cc9bc1d83cb7e33a3dff64b404a3a6f3c237d705cce94ed7d5fee8d9a37a429f45ca48702245a79eb80551a0b

  • memory/2560-174-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2572-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2572-2-0x0000000004000000-0x0000000004006000-memory.dmp

    Filesize

    24KB

  • memory/2572-1-0x0000000004000000-0x0000000004006000-memory.dmp

    Filesize

    24KB

  • memory/2572-9-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB