Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2022, 16:22

General

  • Target

    4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe

  • Size

    689KB

  • MD5

    923a88b261fbfb607885b1a1309c7cf0

  • SHA1

    332b0293e686ef99c4dd3f8607276c8f38297caa

  • SHA256

    4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff

  • SHA512

    dad6177dd84b9f198830a0037ac8674e4eac2b6f349bfcab1d9ac6b0019f250a42bec6d44d2b94955be83d0bd4fb2a8dadccae4b3ccb9c33f813cadd79c7052a

  • SSDEEP

    12288:E9kCI/qz1FAUiLk6VABf/kRLDApQNtDdf74c3vPgjLz8RVl4mThI2n:E9pIa1FAJLk2ABf/4Rfcu3gjLgRUAIo

Malware Config

Extracted

Family

darkcomet

Botnet

nodusnew

C2

samybag.no-ip.biz:5555

Mutex

DC_MUTEX-KQD7QZ7

Attributes
  • gencode

    ZJap1DmWQM2G

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
    "C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
      "C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:904

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/904-65-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-56-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-58-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-60-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-62-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-55-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-67-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-75-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-69-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-64-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-71-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-73-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/904-74-0x0000000000400000-0x00000000004B2000-memory.dmp

          Filesize

          712KB

        • memory/1588-54-0x0000000075661000-0x0000000075663000-memory.dmp

          Filesize

          8KB