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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    15/07/2023, 10:58

General

  • Target

    3b0a84125df695exeexe_JC.exe

  • Size

    57KB

  • MD5

    3b0a84125df695b2f3370edfe6816a43

  • SHA1

    b69f5082b0406cae53650f55a75711cb7e8d6bb9

  • SHA256

    8f195de7a59ed4a1fd637bef3e86c92d1a0de2380d8937be1455338ccda6c8eb

  • SHA512

    aed30b642bc5f90bbfdbd744d29b9fd3de249d4ff4ca9e858415c364478ca97a7f89c2e9668c629892c165721473519c3ec84806c3196af999471f9fc1a0c9b4

  • SSDEEP

    1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTFH3a:T6a+rdOOtEvwDpjNy

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b0a84125df695exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\3b0a84125df695exeexe_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    57KB

    MD5

    037c024645f0ec28f4319f48e2fdd39e

    SHA1

    6220286758607355b1b8c38a04465fef66632d49

    SHA256

    db494542d6d3071bc5e6815bbc4b563d85055038682cd60a2ca320e0db477ffc

    SHA512

    836398c023a3e77e82702ebb42991da2ccd0c8c0db1c3180cec46e3ad78d49b07e676c2c9a01a6db874b6685ce2c0ad743af3da64724ec9d4812b922e8cfd7b7

  • C:\Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    57KB

    MD5

    037c024645f0ec28f4319f48e2fdd39e

    SHA1

    6220286758607355b1b8c38a04465fef66632d49

    SHA256

    db494542d6d3071bc5e6815bbc4b563d85055038682cd60a2ca320e0db477ffc

    SHA512

    836398c023a3e77e82702ebb42991da2ccd0c8c0db1c3180cec46e3ad78d49b07e676c2c9a01a6db874b6685ce2c0ad743af3da64724ec9d4812b922e8cfd7b7

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

    Filesize

    57KB

    MD5

    037c024645f0ec28f4319f48e2fdd39e

    SHA1

    6220286758607355b1b8c38a04465fef66632d49

    SHA256

    db494542d6d3071bc5e6815bbc4b563d85055038682cd60a2ca320e0db477ffc

    SHA512

    836398c023a3e77e82702ebb42991da2ccd0c8c0db1c3180cec46e3ad78d49b07e676c2c9a01a6db874b6685ce2c0ad743af3da64724ec9d4812b922e8cfd7b7

  • memory/1472-54-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1472-55-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/1472-56-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/1472-57-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/1472-69-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2768-70-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2768-73-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/2768-72-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2768-80-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB