Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 21:20

General

  • Target

    0x0009000000016af7-8.exe

  • Size

    27KB

  • MD5

    d010a1a6e4e73e19b88c1f280c417a43

  • SHA1

    99ac6501fee007d1ea4409ce9a1535d7298acc90

  • SHA256

    2ca5d6bd734ac603e9c5064611ee6f0fab62005a85ffdb9e1c180aa4e0a18353

  • SHA512

    b21fa039145b9b4e37686fe420d012b8d7c61913f5db237f56e4bc4ee14f90cb21aeb33f2f2f359ee6d4626230e278c6de860b1b79e48861f027a6c7c571d645

  • SSDEEP

    384:cLBBi/W/7mgEp87wYK2GePqZhbMzAQk93vmhm7UMKmIEecKdbXTzm9bVhcac6urZ:6W/sqoHTzA/vMHTi9bD

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

94.46.207.10:1177

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x0009000000016af7-8.exe
    "C:\Users\Admin\AppData\Local\Temp\0x0009000000016af7-8.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3776
    • C:\Users\Admin\AppData\Local\Temp\Payload.exe
      "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:932
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:4968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    27KB

    MD5

    d010a1a6e4e73e19b88c1f280c417a43

    SHA1

    99ac6501fee007d1ea4409ce9a1535d7298acc90

    SHA256

    2ca5d6bd734ac603e9c5064611ee6f0fab62005a85ffdb9e1c180aa4e0a18353

    SHA512

    b21fa039145b9b4e37686fe420d012b8d7c61913f5db237f56e4bc4ee14f90cb21aeb33f2f2f359ee6d4626230e278c6de860b1b79e48861f027a6c7c571d645

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

    Filesize

    1KB

    MD5

    9d8feb2f0d0f90f04f25b8006be83fdc

    SHA1

    c35b889767be595af5d69417a6253cb0d0a1af0e

    SHA256

    50610114ae6b7ac7ee1c6bb520e567f656f4bac43245e336f511f46126ac3ff7

    SHA512

    7479d710887029fa2b3a46e9aeecda1e8b21dbabef5bf7626d86e4ace729ffd562b9d52452dbc2ebc893a530a54775c64cde74f52f9d5bcb4484899ef6c3f8f1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

    Filesize

    1KB

    MD5

    4b9d1668d2734e11056f2535324845c2

    SHA1

    3d3a09118b50bd01f6445c24d483ea25baebb918

    SHA256

    8e0fef9aeb3af819fb5ccfdcfdf937f254ba4b5e26d96c1d0e37b0873ae524c0

    SHA512

    708d27792ebc73edcc6d53b44dd66eadf074aca1a05ff0690b7bad134b0afd1654fd450015b64695364fddd7bcc99626a416025b6ff55b50c616e0b9fa71bb25

  • memory/932-22-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/932-17-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/932-23-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/932-24-0x0000000005E90000-0x0000000005F22000-memory.dmp

    Filesize

    584KB

  • memory/932-25-0x0000000005E30000-0x0000000005E3A000-memory.dmp

    Filesize

    40KB

  • memory/932-26-0x0000000006100000-0x0000000006166000-memory.dmp

    Filesize

    408KB

  • memory/932-27-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/3776-7-0x000000007449E000-0x000000007449F000-memory.dmp

    Filesize

    4KB

  • memory/3776-5-0x00000000061D0000-0x0000000006774000-memory.dmp

    Filesize

    5.6MB

  • memory/3776-2-0x0000000005380000-0x000000000541C000-memory.dmp

    Filesize

    624KB

  • memory/3776-1-0x0000000000AD0000-0x0000000000ADE000-memory.dmp

    Filesize

    56KB

  • memory/3776-0-0x000000007449E000-0x000000007449F000-memory.dmp

    Filesize

    4KB