Analysis

  • max time kernel
    119s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 08:14

General

  • Target

    b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe

  • Size

    197KB

  • MD5

    e04a6c9125b982efc1b4a2270a9c1ba6

  • SHA1

    48e92669ec528cf17179364e6fb60d1efbdd1bc9

  • SHA256

    b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1

  • SHA512

    db2a121d570db6e7b5593d4e8a0e84b6ef0d7ec639056bef421407cc828f8bfcc89c1503c7b0f14c71f8ce0921ccddff5dc36df6ecb26198be0876b50505d240

  • SSDEEP

    1536:7vVQb4cLIkN+4Weat2RKLjWlC48Pp9JAcjdPSrowvi+Mtp:7vVQLIkLWeaA8KlCph98rowvQtp

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.byethost12.com
  • Port:
    21
  • Username:
    b12_8082975
  • Password:
    951753zx

Extracted

Credentials

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

Signatures

  • 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 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe
    "C:\Users\Admin\AppData\Local\Temp\b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Program Files (x86)\d1b9e61b\jusched.exe
      "C:\Program Files (x86)\d1b9e61b\jusched.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\d1b9e61b\d1b9e61b

    Filesize

    17B

    MD5

    7bdf61d37c9adf3e1c6937107016091f

    SHA1

    56b8e0c454f9dd16d508a04b3afa7e458453ac41

    SHA256

    4c57d86c256214baa0a5a3322ef5cdd575210455b7e964ad60382bd9d4be12e0

    SHA512

    ff4fc1a427c84f47042375749f45ee6edea73b902ae977f14243ebceb7b9a28f41fe5dd404e3ea381754d9122202bc6b61ed0152b20a1c1be76c225dd20861d1

  • C:\Program Files (x86)\d1b9e61b\jusched.exe

    Filesize

    197KB

    MD5

    44c5627b029758cd8565ecc90ec8d69d

    SHA1

    6f60631e7f188f550cdae32671abf14c6ba1d2ab

    SHA256

    382ca58d7a2bdcf220aedb2fef4f7a49d6199e99e8bd8c4dbbdc99fb374155c1

    SHA512

    b307dc6d753bf0ebc72e4727783a398904a377e513d24ad3f62563d196b3fb6dc723e07b465c01d08c3c5dc31a3f98324471cd0f8019970ce6516c303c12afd6

  • memory/1040-13-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1040-17-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2264-0-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2264-14-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB