Analysis

  • max time kernel
    141s
  • max time network
    129s
  • 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 09:39

General

  • Target

    5ffa0ff03f7f28_JC.exe

  • Size

    51KB

  • MD5

    5ffa0ff03f7f280d035234752e93f96c

  • SHA1

    1cb4921ff12ecc80252590bba695630e4bffbb07

  • SHA256

    4b736af41813d7bc972a243249484c081cb71fed3209472bf146767d3bc9e631

  • SHA512

    4ec5f7dbf601dc84f6fe53206dbaba12ce57810690b677843f262f60965ceb7120b4edbac6ea64a4ec6313d5d88cb76845e21c76756ba31b1dba6ca7d084313f

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt8OG:6j+1NMOtEvwDpjr8oxmp

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\5ffa0ff03f7f28_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\5ffa0ff03f7f28_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4924
    • 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:2300

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    51KB

    MD5

    5ef4fd70ef039db85a2621c7270c1cdd

    SHA1

    b2ab1f1284ae061528994f7e13f8c897198b8f36

    SHA256

    e250c6bce300e6f3bc44c95e32bfaf732e2f25a92d5a68e9b7cebc2ddb987c34

    SHA512

    5d13379ea9fe3b08dab689838d08610f25439e7fb826d66cc02f7f39c61bc7f62d3828d4bc32ca475c6e6e8bab2ed429224cde15f42055519422d86b21ad54d1

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

    Filesize

    51KB

    MD5

    5ef4fd70ef039db85a2621c7270c1cdd

    SHA1

    b2ab1f1284ae061528994f7e13f8c897198b8f36

    SHA256

    e250c6bce300e6f3bc44c95e32bfaf732e2f25a92d5a68e9b7cebc2ddb987c34

    SHA512

    5d13379ea9fe3b08dab689838d08610f25439e7fb826d66cc02f7f39c61bc7f62d3828d4bc32ca475c6e6e8bab2ed429224cde15f42055519422d86b21ad54d1

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

    Filesize

    51KB

    MD5

    5ef4fd70ef039db85a2621c7270c1cdd

    SHA1

    b2ab1f1284ae061528994f7e13f8c897198b8f36

    SHA256

    e250c6bce300e6f3bc44c95e32bfaf732e2f25a92d5a68e9b7cebc2ddb987c34

    SHA512

    5d13379ea9fe3b08dab689838d08610f25439e7fb826d66cc02f7f39c61bc7f62d3828d4bc32ca475c6e6e8bab2ed429224cde15f42055519422d86b21ad54d1

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2300-152-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/2300-153-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB

  • memory/2300-181-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4924-133-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4924-134-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4924-135-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4924-136-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4924-151-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB