Analysis

  • max time kernel
    61s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 22:47

General

  • Target

    e7a6e1f6efe6b4ba065e8513b3430ccbb9532568d8d854720719d892ae1aeb55.exe

  • Size

    908KB

  • MD5

    efaaaea648926122bba1eac224dee69e

  • SHA1

    e8d024804c5db926175b4320a2dd29be796d3c67

  • SHA256

    e7a6e1f6efe6b4ba065e8513b3430ccbb9532568d8d854720719d892ae1aeb55

  • SHA512

    ee33fbd26f903b4e322233eb59b3da86cd7e301cba80599d4b114ae0cc3e6f5ba04dcd42252c094381e2b5272f6a6ad4d96310653ecead6d6a73dbd4c98ee054

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300854

Extracted

Family

gozi_rm3

Botnet

202004141

C2

https://devicelease.xyz

Attributes
  • build

    300854

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    0x4eb7d2ca

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • exe_type

    loader

  • server_id

    12

  • url_path

    index.htm

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi RM3

    A heavily modified version of Gozi using RM3 loader.

  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7a6e1f6efe6b4ba065e8513b3430ccbb9532568d8d854720719d892ae1aeb55.exe
    "C:\Users\Admin\AppData\Local\Temp\e7a6e1f6efe6b4ba065e8513b3430ccbb9532568d8d854720719d892ae1aeb55.exe"
    1⤵
      PID:872
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:948
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:948 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1484
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:948 CREDAT:537616 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1076
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:1628
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1628 CREDAT:275457 /prefetch:2
          2⤵
            PID:1464
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:524
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:524 CREDAT:275457 /prefetch:2
              2⤵
                PID:1776

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/872-54-0x0000000076721000-0x0000000076723000-memory.dmp

              Filesize

              8KB

            • memory/872-56-0x0000000000400000-0x00000000004E5000-memory.dmp

              Filesize

              916KB

            • memory/872-55-0x0000000000220000-0x000000000022C000-memory.dmp

              Filesize

              48KB

            • memory/872-57-0x0000000000240000-0x0000000000251000-memory.dmp

              Filesize

              68KB