Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2023 12:25

General

  • Target

    44a998229d00a2exeexe_JC.exe

  • Size

    46KB

  • MD5

    44a998229d00a2eed83b5f336ebae26a

  • SHA1

    eee7600961d461594b805e537a1e01ab3c49e38e

  • SHA256

    f2022c4f2d750883adfd384ce539945a5278ae4c9500b04bb1aa4a35244cf46a

  • SHA512

    a1094e9c458eb092210f144b1a6715d216ae83d4cdc5712529a78089081e6387457484956c6eb2cdcee2cc434161e6d260a5bd16f3719480a0a0c10db1b52f96

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjZ1UKXJ0ToBpS5avy9Tp:ZzFbxmLPWQMOtEvwDpjbtJ0gMPpp

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 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44a998229d00a2exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\44a998229d00a2exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4180
    • 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:3848

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    46KB

    MD5

    aa0f6db9efee3b1d5c8538bdd7ef3545

    SHA1

    e2c07bdfac7fbdef66c869d358f8c241e58a83b8

    SHA256

    73d0c92f248dd93b58b73dde4be2d31af5eefdb5c3124ef917ab322986c53958

    SHA512

    94d18f1054eabb0d906b516a7f49a0e05cb107919028f9417009e1594f7da41a44afe2e4a67fa3a748c70a3e82aeda3c93786e06de84d4d04a46ce21cece5aae

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

    Filesize

    46KB

    MD5

    aa0f6db9efee3b1d5c8538bdd7ef3545

    SHA1

    e2c07bdfac7fbdef66c869d358f8c241e58a83b8

    SHA256

    73d0c92f248dd93b58b73dde4be2d31af5eefdb5c3124ef917ab322986c53958

    SHA512

    94d18f1054eabb0d906b516a7f49a0e05cb107919028f9417009e1594f7da41a44afe2e4a67fa3a748c70a3e82aeda3c93786e06de84d4d04a46ce21cece5aae

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

    Filesize

    46KB

    MD5

    aa0f6db9efee3b1d5c8538bdd7ef3545

    SHA1

    e2c07bdfac7fbdef66c869d358f8c241e58a83b8

    SHA256

    73d0c92f248dd93b58b73dde4be2d31af5eefdb5c3124ef917ab322986c53958

    SHA512

    94d18f1054eabb0d906b516a7f49a0e05cb107919028f9417009e1594f7da41a44afe2e4a67fa3a748c70a3e82aeda3c93786e06de84d4d04a46ce21cece5aae

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3848-152-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/3848-153-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/4180-133-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/4180-134-0x00000000006F0000-0x00000000006F6000-memory.dmp

    Filesize

    24KB

  • memory/4180-135-0x00000000006F0000-0x00000000006F6000-memory.dmp

    Filesize

    24KB

  • memory/4180-136-0x0000000000720000-0x0000000000726000-memory.dmp

    Filesize

    24KB

  • memory/4180-150-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB