Analysis

  • max time kernel
    10s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 17:00

General

  • Target

    65d846eb83a58df36caae2ee98fdadcc6963736dbad3be9d4fa55cf3b362b3c5.exe

  • Size

    29KB

  • MD5

    0a704142b5eefeb3f5880bdce31a5668

  • SHA1

    6890b1d90b26b3a32c1f5cf93bd91d916aa40db4

  • SHA256

    65d846eb83a58df36caae2ee98fdadcc6963736dbad3be9d4fa55cf3b362b3c5

  • SHA512

    e4b8f7bf4a311c5a3f025249c346cc0890d74d60d3765d71546cef4a490380de72e7ddca714b0cc4304ad91e621fc7ef0f8cb0b31bf6b967586e1769f573335d

  • SSDEEP

    384:taFCtl7Dh+oqIqEXV5HEQTGumqDgN3eH6GBsbh0w4wlAokw9OhgOL1vYRGOZzSZG:j74oqIjlLTAqM3eFBKh0p29SgRkG

Score
10/10

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

www-avira1.sytes.net:1993

Mutex

93f19dda2412c86ad7520ba4198f39a0

Attributes
  • reg_key

    93f19dda2412c86ad7520ba4198f39a0

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65d846eb83a58df36caae2ee98fdadcc6963736dbad3be9d4fa55cf3b362b3c5.exe
    "C:\Users\Admin\AppData\Local\Temp\65d846eb83a58df36caae2ee98fdadcc6963736dbad3be9d4fa55cf3b362b3c5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Roaming\explorer.exe
      "C:\Users\Admin\AppData\Roaming\explorer.exe"
      2⤵
      • Executes dropped EXE
      PID:1784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\explorer.exe

    Filesize

    29KB

    MD5

    0a704142b5eefeb3f5880bdce31a5668

    SHA1

    6890b1d90b26b3a32c1f5cf93bd91d916aa40db4

    SHA256

    65d846eb83a58df36caae2ee98fdadcc6963736dbad3be9d4fa55cf3b362b3c5

    SHA512

    e4b8f7bf4a311c5a3f025249c346cc0890d74d60d3765d71546cef4a490380de72e7ddca714b0cc4304ad91e621fc7ef0f8cb0b31bf6b967586e1769f573335d

  • C:\Users\Admin\AppData\Roaming\explorer.exe

    Filesize

    29KB

    MD5

    0a704142b5eefeb3f5880bdce31a5668

    SHA1

    6890b1d90b26b3a32c1f5cf93bd91d916aa40db4

    SHA256

    65d846eb83a58df36caae2ee98fdadcc6963736dbad3be9d4fa55cf3b362b3c5

    SHA512

    e4b8f7bf4a311c5a3f025249c346cc0890d74d60d3765d71546cef4a490380de72e7ddca714b0cc4304ad91e621fc7ef0f8cb0b31bf6b967586e1769f573335d

  • \Users\Admin\AppData\Roaming\explorer.exe

    Filesize

    29KB

    MD5

    0a704142b5eefeb3f5880bdce31a5668

    SHA1

    6890b1d90b26b3a32c1f5cf93bd91d916aa40db4

    SHA256

    65d846eb83a58df36caae2ee98fdadcc6963736dbad3be9d4fa55cf3b362b3c5

    SHA512

    e4b8f7bf4a311c5a3f025249c346cc0890d74d60d3765d71546cef4a490380de72e7ddca714b0cc4304ad91e621fc7ef0f8cb0b31bf6b967586e1769f573335d

  • memory/960-54-0x0000000075141000-0x0000000075143000-memory.dmp

    Filesize

    8KB

  • memory/960-55-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB

  • memory/960-61-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB

  • memory/1784-57-0x0000000000000000-mapping.dmp

  • memory/1784-62-0x00000000742C0000-0x000000007486B000-memory.dmp

    Filesize

    5.7MB