Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2024, 13:33

General

  • Target

    4b92ebaedad8cf777c9bcf973b6c2dca.exe

  • Size

    385KB

  • MD5

    4b92ebaedad8cf777c9bcf973b6c2dca

  • SHA1

    935770b763263e94c2b13d900e64c88f41086566

  • SHA256

    dd6b0b11044ddbf022fcc5f36ab2574e43ceebad3c255d23e85a3ea831c54f89

  • SHA512

    b008d0f11f1944debeb58b428ada92a2f409f8d8391571947aad9218b172d8be68214e22a58112aeb2e1df75cc6bab472858822bc42530d36de3403cd773a1b2

  • SSDEEP

    6144:44Kpr3WVVSFGY3wigyqZcnyULHht5TXJVmGoDmyGejvYTJkppKbhctM4SuIphsMI:44KxGQGCySn9tboTrNpwcnSuQC2cB

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\4b92ebaedad8cf777c9bcf973b6c2dca.exe
    "C:\Users\Admin\AppData\Local\Temp\4b92ebaedad8cf777c9bcf973b6c2dca.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Local\Temp\4b92ebaedad8cf777c9bcf973b6c2dca.exe
      C:\Users\Admin\AppData\Local\Temp\4b92ebaedad8cf777c9bcf973b6c2dca.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab77FF.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar7841.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\4b92ebaedad8cf777c9bcf973b6c2dca.exe

    Filesize

    385KB

    MD5

    f2418075d160e670108fe3b87f6fdce9

    SHA1

    f88dc0b96d6a91ca8d4b05049770357dc93f56d8

    SHA256

    159c409840269321ea111480fa277260abd50ddb9c57b12c7e2eee7b9fa56b2c

    SHA512

    1671f3966fd72631f915e9e88c8daf9a5bd573fbfa0984120067e2a9e5c981e0da9d95e92a76ecab8a2082a11e8ace5c74796c686ab0caa7a357b28fb378e73c

  • memory/2712-17-0x0000000000380000-0x00000000003E6000-memory.dmp

    Filesize

    408KB

  • memory/2712-23-0x0000000002CB0000-0x0000000002D0F000-memory.dmp

    Filesize

    380KB

  • memory/2712-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2712-76-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2712-81-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2712-82-0x000000000D800000-0x000000000D83C000-memory.dmp

    Filesize

    240KB

  • memory/2856-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2856-12-0x0000000001470000-0x00000000014D6000-memory.dmp

    Filesize

    408KB

  • memory/2856-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2856-2-0x0000000000330000-0x0000000000396000-memory.dmp

    Filesize

    408KB

  • memory/2856-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB