Analysis

  • max time kernel
    151s
  • max time network
    179s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:35

General

  • Target

    ccfb464feac36f66017500e1a3fa632a9e41658d18fb1a97a5b41cdbc1cac055.exe

  • Size

    208KB

  • MD5

    32fbc3d203fef6345a8963d60c216cd0

  • SHA1

    3ca4786b9af5efae74b5fcb435c712d448f5bf74

  • SHA256

    ccfb464feac36f66017500e1a3fa632a9e41658d18fb1a97a5b41cdbc1cac055

  • SHA512

    a73beb496a96d329a3384a75fd7181b16a31af74a42cdcd62cba9c6411419f3d99c657aa7034c6d084997d18171da154bfd263565857a6be50d7ba661f889a53

  • SSDEEP

    3072:JVHgCc4xGvbwcU9KQ2BBAHmaPxiVoSb5E2:MCc4xGxWKQ2Bonxw

Score
10/10

Malware Config

Extracted

Credentials

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

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ccfb464feac36f66017500e1a3fa632a9e41658d18fb1a97a5b41cdbc1cac055.exe
    "C:\Users\Admin\AppData\Local\Temp\ccfb464feac36f66017500e1a3fa632a9e41658d18fb1a97a5b41cdbc1cac055.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Program Files (x86)\f1b5f31d\jusched.exe
      "C:\Program Files (x86)\f1b5f31d\jusched.exe"
      2⤵
      • Executes dropped EXE
      PID:1028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\f1b5f31d\f1b5f31d

    Filesize

    17B

    MD5

    134c1d489094d6d3399f65b0e9aebc1f

    SHA1

    612a57fbe6ed3ab9c15b39451171d813314a28d5

    SHA256

    54f9150d1268f7b4b83dd9fc3ec32274bf749715a5806ff3ca5262f5427d6781

    SHA512

    b09bf60e4850d05261d81a124a647dd111f42480224eae8a3bd2f64736c38119953703f868ad34194a7ae6dad6aabff4081ba73df262bbe9f5327867c56a48ed

  • C:\Program Files (x86)\f1b5f31d\jusched.exe

    Filesize

    208KB

    MD5

    4b7c8e015f819d553e94bbb0b8affbc0

    SHA1

    16d5b09bc8365c80463d814114812621ec755dc2

    SHA256

    bf65cfebf4ef3c4e3f23eea890a6895df73a3062af8695f206a240ed44aa0919

    SHA512

    96948b012883ebe4ff717640a7cf458fffd73a2271e0dee43bc117bffef57bfc418000a5280a1ee20618be9429baaa4966b3cea4798f6c1d57898a2f778ed3b9

  • \Program Files (x86)\f1b5f31d\jusched.exe

    Filesize

    208KB

    MD5

    4b7c8e015f819d553e94bbb0b8affbc0

    SHA1

    16d5b09bc8365c80463d814114812621ec755dc2

    SHA256

    bf65cfebf4ef3c4e3f23eea890a6895df73a3062af8695f206a240ed44aa0919

    SHA512

    96948b012883ebe4ff717640a7cf458fffd73a2271e0dee43bc117bffef57bfc418000a5280a1ee20618be9429baaa4966b3cea4798f6c1d57898a2f778ed3b9

  • \Program Files (x86)\f1b5f31d\jusched.exe

    Filesize

    208KB

    MD5

    4b7c8e015f819d553e94bbb0b8affbc0

    SHA1

    16d5b09bc8365c80463d814114812621ec755dc2

    SHA256

    bf65cfebf4ef3c4e3f23eea890a6895df73a3062af8695f206a240ed44aa0919

    SHA512

    96948b012883ebe4ff717640a7cf458fffd73a2271e0dee43bc117bffef57bfc418000a5280a1ee20618be9429baaa4966b3cea4798f6c1d57898a2f778ed3b9

  • memory/1028-59-0x0000000000000000-mapping.dmp

  • memory/1028-62-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2032-54-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2032-55-0x0000000075C21000-0x0000000075C23000-memory.dmp

    Filesize

    8KB

  • memory/2032-56-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2032-61-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB