Analysis

  • max time kernel
    142s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-07-2023 10:16

General

  • Target

    6478997fc2cfd2_JC.exe

  • Size

    62KB

  • MD5

    6478997fc2cfd25c3c7eaea7c25b30bd

  • SHA1

    7e8443e35b76e5a31958b0e06d3490c12ecac8d3

  • SHA256

    ce02103445f7a1860655189888a7475d288c588843a532851efcc73101b22cc0

  • SHA512

    defcb8866760e7a1d32fd25cfebb2415133e58c0ec0f94ca3656521b475f23847f07be5d192cdc928c0ab20c266b4f09cc6812cc04370982e1aa3bef465bda20

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HyCyh7vtRJ4BqKb1cKtbieS:vCjsIOtEvwDpj5Hv0l7

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6478997fc2cfd2_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\6478997fc2cfd2_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3160
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    5fceb83865135edc3155b9e5aa4f5b6b

    SHA1

    4c106d456e41d7f01f10288038d37266e2c17da3

    SHA256

    25684500961e58602517b380a34911600186b3ab69471c73e321001407ac4041

    SHA512

    73bab3456cf7235cdaa3f3052a63c473df7cb5defda9929ee0f5362f22d24b059bd2d7dab557d5485f90477d6aa2cf2dec70a1fff44e1932d928adb7a8566fe8

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

    Filesize

    63KB

    MD5

    5fceb83865135edc3155b9e5aa4f5b6b

    SHA1

    4c106d456e41d7f01f10288038d37266e2c17da3

    SHA256

    25684500961e58602517b380a34911600186b3ab69471c73e321001407ac4041

    SHA512

    73bab3456cf7235cdaa3f3052a63c473df7cb5defda9929ee0f5362f22d24b059bd2d7dab557d5485f90477d6aa2cf2dec70a1fff44e1932d928adb7a8566fe8

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

    Filesize

    63KB

    MD5

    5fceb83865135edc3155b9e5aa4f5b6b

    SHA1

    4c106d456e41d7f01f10288038d37266e2c17da3

    SHA256

    25684500961e58602517b380a34911600186b3ab69471c73e321001407ac4041

    SHA512

    73bab3456cf7235cdaa3f3052a63c473df7cb5defda9929ee0f5362f22d24b059bd2d7dab557d5485f90477d6aa2cf2dec70a1fff44e1932d928adb7a8566fe8

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3160-133-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3160-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3160-135-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/3824-150-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/3824-151-0x0000000002110000-0x0000000002116000-memory.dmp

    Filesize

    24KB