Analysis

  • max time kernel
    159s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2023 04:35

General

  • Target

    NEAS.5896424208b7d73422d34670a7930990.exe

  • Size

    237KB

  • MD5

    5896424208b7d73422d34670a7930990

  • SHA1

    173117585e43c1f4aa81ad4583833699b220089f

  • SHA256

    adc3feb1749f9588df1709944c51c378ba2f7674084bf5311a189bbdd0eb7082

  • SHA512

    0c51d372c375aac1e8deaa2ae13b9e5ac53b0324e464ed07c53396eb5adb69dd29799925d48f4b48d278d27aefd5f36f8f1d51b2ba7c7796485127a260ca2a4d

  • SSDEEP

    1536:9RsvcdCQjosnvnjs6SQ1EVrPdDG/PEzxVJsPcbYDOYrmwd8eCwe5cJ4a:LsKjRvnhSGYB0EzXJsPcEDOHDzF55a

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.tripod.com
  • Port:
    21
  • Username:
    griptoloji
  • Password:
    741852

Signatures

  • Malware Backdoor - Berbew 3 IoCs

    Berbew is a malware infection classified as a 'backdoor' Trojan. This malicious program's primary function is to cause chain infections - it can download/install additional malware such as other Trojans, ransomware, and cryptominers.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.5896424208b7d73422d34670a7930990.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.5896424208b7d73422d34670a7930990.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Program Files (x86)\Java\jre-09\bin\jusched.exe
      "C:\Program Files (x86)\Java\jre-09\bin\jusched.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Java\jre-09\bin\jusched.exe

    Filesize

    237KB

    MD5

    80dc05ce3fb73a48960305caabc20166

    SHA1

    c867ea07fa9d2b281ec526caca4d74e4cf4eefcb

    SHA256

    5700ee19cfc182b8d1873120aab0f5da70ef3d6db02072478b7011b548ecb778

    SHA512

    37f87608bf95dd305485db03c71c39de08ca756ddec6681494570d2f81414caf38b7b49be7380473584999eedf28075ca1c21e047e9d5704be29c121a2d65e61

  • C:\Program Files (x86)\Java\jre-09\bin\jusched.exe

    Filesize

    237KB

    MD5

    80dc05ce3fb73a48960305caabc20166

    SHA1

    c867ea07fa9d2b281ec526caca4d74e4cf4eefcb

    SHA256

    5700ee19cfc182b8d1873120aab0f5da70ef3d6db02072478b7011b548ecb778

    SHA512

    37f87608bf95dd305485db03c71c39de08ca756ddec6681494570d2f81414caf38b7b49be7380473584999eedf28075ca1c21e047e9d5704be29c121a2d65e61

  • C:\Program Files (x86)\Java\jre-09\bin\jusched.exe

    Filesize

    237KB

    MD5

    80dc05ce3fb73a48960305caabc20166

    SHA1

    c867ea07fa9d2b281ec526caca4d74e4cf4eefcb

    SHA256

    5700ee19cfc182b8d1873120aab0f5da70ef3d6db02072478b7011b548ecb778

    SHA512

    37f87608bf95dd305485db03c71c39de08ca756ddec6681494570d2f81414caf38b7b49be7380473584999eedf28075ca1c21e047e9d5704be29c121a2d65e61

  • memory/1448-0-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1448-10-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1792-12-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB