Resubmissions

07-02-2022 00:34

220207-aw81qsdce2 10

Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    07-02-2022 00:34

General

  • Target

    1cr.exe

  • Size

    667KB

  • MD5

    8c56ecce67e5e43e872863f41fe03eab

  • SHA1

    ad4785bf01141163053f421d15fe76a460836c9b

  • SHA256

    25eb1831bf580a45f9464bcf50ef2b3d35021f6eb5e42874b2dd8fd8544cf853

  • SHA512

    63ade7eca68d011e979e2ff0568899136b3fec35370959fafe751edfff379e88b25431584e9cdc80c4d7354b9f6ed894ae4b9e6402d51a0af82f1544299c1a1c

Malware Config

Extracted

Family

fickerstealer

C2

109.234.35.192:80

Signatures

  • Fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cr.exe
    "C:\Users\Admin\AppData\Local\Temp\1cr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Users\Admin\AppData\Local\Temp\1cr.exe
      "{path}"
      2⤵
        PID:744

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/744-62-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/744-64-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/744-69-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/744-66-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/744-61-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/744-59-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/744-63-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/744-60-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/744-65-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1240-54-0x0000000000F90000-0x000000000103E000-memory.dmp

      Filesize

      696KB

    • memory/1240-55-0x0000000075D11000-0x0000000075D13000-memory.dmp

      Filesize

      8KB

    • memory/1240-58-0x0000000004D20000-0x0000000004DC2000-memory.dmp

      Filesize

      648KB

    • memory/1240-57-0x0000000000520000-0x0000000000528000-memory.dmp

      Filesize

      32KB

    • memory/1240-56-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

      Filesize

      4KB