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Analysis

  • max time kernel
    164s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 15:57

General

  • Target

    NEAS.da17f83d947f741ec61df2a41182b1d0_JC.exe

  • Size

    209KB

  • MD5

    da17f83d947f741ec61df2a41182b1d0

  • SHA1

    c62ed6ecf822fa1cbd194577b644fcaa4129d34e

  • SHA256

    aa723f86bd0a2ba235b7422e8956ec88a6b0eb389d43e919875253b9e0465d52

  • SHA512

    478f82cab4cc9a7be3f9bc05daab88f41355ac485bef702ee6ce6470871677ad55ada018b675590caa0e3925940b0b59390a5d2d683777d0ce7393cfad003ccb

  • SSDEEP

    3072:rQcjk9tVRNIcjb4Ryfjijjx14hdeCXHKPJFo9zpE7Di0X0JuLL+o7BlpF9e:rQh9tVRm2kh34hdeCkcG7DEALLlnN

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.da17f83d947f741ec61df2a41182b1d0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.da17f83d947f741ec61df2a41182b1d0_JC.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • Suspicious behavior: EnumeratesProcesses
      PID:4724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\apppatch\svchost.exe

    Filesize

    209KB

    MD5

    5874cd5701ebfcda8d9a73f3d4f73b39

    SHA1

    0deae7cb6b71b6982efc5a71a6ebd62d1a0f10fb

    SHA256

    a1166d501fbb8ce23253ebd562a090f3f3a731af5749563d45395894db177b7d

    SHA512

    c5e185ca83ce756d4d4c8298573227df136e01ab78465a69114a39101bd3eccc08cdebc15fc9c4c158b6ad904a6bddf98eb4a3c65f7214e12c2a0920d4cac5b0

  • C:\Windows\apppatch\svchost.exe

    Filesize

    209KB

    MD5

    5874cd5701ebfcda8d9a73f3d4f73b39

    SHA1

    0deae7cb6b71b6982efc5a71a6ebd62d1a0f10fb

    SHA256

    a1166d501fbb8ce23253ebd562a090f3f3a731af5749563d45395894db177b7d

    SHA512

    c5e185ca83ce756d4d4c8298573227df136e01ab78465a69114a39101bd3eccc08cdebc15fc9c4c158b6ad904a6bddf98eb4a3c65f7214e12c2a0920d4cac5b0

  • C:\Windows\apppatch\svchost.exe

    Filesize

    209KB

    MD5

    5874cd5701ebfcda8d9a73f3d4f73b39

    SHA1

    0deae7cb6b71b6982efc5a71a6ebd62d1a0f10fb

    SHA256

    a1166d501fbb8ce23253ebd562a090f3f3a731af5749563d45395894db177b7d

    SHA512

    c5e185ca83ce756d4d4c8298573227df136e01ab78465a69114a39101bd3eccc08cdebc15fc9c4c158b6ad904a6bddf98eb4a3c65f7214e12c2a0920d4cac5b0

  • memory/4088-12-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/4088-2-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/4088-1-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/4088-0-0x00000000005D0000-0x0000000000628000-memory.dmp

    Filesize

    352KB

  • memory/4088-13-0x00000000005D0000-0x0000000000628000-memory.dmp

    Filesize

    352KB

  • memory/4724-14-0x0000000002A00000-0x0000000002A8A000-memory.dmp

    Filesize

    552KB

  • memory/4724-16-0x0000000002B90000-0x0000000002C29000-memory.dmp

    Filesize

    612KB

  • memory/4724-18-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/4724-21-0x0000000002B90000-0x0000000002C29000-memory.dmp

    Filesize

    612KB

  • memory/4724-22-0x0000000002B90000-0x0000000002C29000-memory.dmp

    Filesize

    612KB

  • memory/4724-20-0x0000000002B90000-0x0000000002C29000-memory.dmp

    Filesize

    612KB

  • memory/4724-25-0x0000000002B90000-0x0000000002C29000-memory.dmp

    Filesize

    612KB