Analysis

  • max time kernel
    144s
  • max time network
    143s
  • 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, 13:13

General

  • Target

    721d7610a154e2_JC.exe

  • Size

    74KB

  • MD5

    721d7610a154e26b9b4cacd26849111a

  • SHA1

    2363d824e0c1db37e78755485e72cc807b672e6f

  • SHA256

    3427a8da9748455855916fdbb5454890329337ad561ca6f8702da68b07d0125d

  • SHA512

    c8e6367488be991f26ee8058ee656b3d5927a6515e90b436e069a3dc65ce3e472d4a5df644ad5369af9d6b29a54d40e8ff041fcef9294d5f4de613434deb1ef7

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWajcn:vCjsIOtEvwDpj5H9YvQd2c

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\721d7610a154e2_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\721d7610a154e2_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4136
    • 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:1472

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    d2539bde0987979d3a30050b7b18b0cf

    SHA1

    7379658cc1e6760650a69edd6297e91ee0307786

    SHA256

    d84fef4ff850729f4172df067fae73eb519a791adffa59350c16b2f3ee7ad889

    SHA512

    0b8364a8b75908bf54cb160fce76de05dd16e82a5e8bd77055fc44af51bb64da909430d6be74baa92bf27bbcefe00118c29387f37cf892319a91f8bbc51a8cca

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

    Filesize

    74KB

    MD5

    d2539bde0987979d3a30050b7b18b0cf

    SHA1

    7379658cc1e6760650a69edd6297e91ee0307786

    SHA256

    d84fef4ff850729f4172df067fae73eb519a791adffa59350c16b2f3ee7ad889

    SHA512

    0b8364a8b75908bf54cb160fce76de05dd16e82a5e8bd77055fc44af51bb64da909430d6be74baa92bf27bbcefe00118c29387f37cf892319a91f8bbc51a8cca

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

    Filesize

    74KB

    MD5

    d2539bde0987979d3a30050b7b18b0cf

    SHA1

    7379658cc1e6760650a69edd6297e91ee0307786

    SHA256

    d84fef4ff850729f4172df067fae73eb519a791adffa59350c16b2f3ee7ad889

    SHA512

    0b8364a8b75908bf54cb160fce76de05dd16e82a5e8bd77055fc44af51bb64da909430d6be74baa92bf27bbcefe00118c29387f37cf892319a91f8bbc51a8cca

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1472-151-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1472-150-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4136-133-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/4136-134-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/4136-135-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB