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Analysis

  • max time kernel
    122s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    27/05/2024, 21:26

General

  • Target

    40776d235f947719b30e997a13a6fef960699e96b01a417c7b2db5d57f4fceea.exe

  • Size

    39KB

  • MD5

    2488816970f486929443abf6f4a5e548

  • SHA1

    69979fac6556152c1f86a7f34f4c30f0916d9d01

  • SHA256

    40776d235f947719b30e997a13a6fef960699e96b01a417c7b2db5d57f4fceea

  • SHA512

    08e5e0b60d1cae7710b886ec28f32d5f44f63d937a5efd4d62444882f5e1d3799fb7efd19331678ecfd269fc86a0ddfd4b4994743d6bfae9d0d697cb132e1ed9

  • SSDEEP

    768:E8eRH+9lFh0ul16sh7iQroCHaf+RjFBSuB2X8:E9l+Z16sh7iQroC1RB0u5

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).

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40776d235f947719b30e997a13a6fef960699e96b01a417c7b2db5d57f4fceea.exe
    "C:\Users\Admin\AppData\Local\Temp\40776d235f947719b30e997a13a6fef960699e96b01a417c7b2db5d57f4fceea.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe
      "C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    344B

    MD5

    91a8aed29081fa5ef4bb85728694cb3d

    SHA1

    05e4f6fd9f17426ad57b8d0949e6519e6ab12089

    SHA256

    9c5b758f45a962722727ecffe5ccddbf7a73e72f5da6e169ece383ff96f60f39

    SHA512

    5194dea69924a0d06fedac89125b98956d30b40018aaf92fc700da7e2f8c1c16a91482dd8a480b4bfb4027537cdbdb4cae9f1ac2761c744d39abe9097fa9fa00

  • C:\Users\Admin\AppData\Local\Temp\Cab35E1.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar3661.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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

    Filesize

    39KB

    MD5

    e1582e25d0b4148bdc930cf5f7ff23d1

    SHA1

    68450c698d01a13574e8b3ad1872c9564cad6e84

    SHA256

    34b43d756df42be88bc4e942b6fc9c11111905e6d4f38f2e114fa1e5228a44fe

    SHA512

    cdcdfa226c76e8753549e52a12024672b5df023ba9a54431494dc83fdd4c784b8bf7ce20429933290fc9aa399c24ae3118c00e6030b1a88f5cd8cef978a85a5f

  • memory/1688-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1688-2-0x0000000004000000-0x0000000004006000-memory.dmp

    Filesize

    24KB

  • memory/1688-1-0x0000000004000000-0x0000000004006000-memory.dmp

    Filesize

    24KB

  • memory/1688-7-0x0000000002790000-0x000000000279A000-memory.dmp

    Filesize

    40KB

  • memory/1728-10-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB