Analysis

  • max time kernel
    43s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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

  • exe_type

    loader

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 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7a6e1f6efe6b4ba065e8513b3430ccbb9532568d8d854720719d892ae1aeb55.exe
    "C:\Users\Admin\AppData\Local\Temp\e7a6e1f6efe6b4ba065e8513b3430ccbb9532568d8d854720719d892ae1aeb55.exe"
    1⤵
      PID:3800
    • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
      "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
      1⤵
        PID:4772
      • 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:4868
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4868 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4648
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4868 CREDAT:82950 /prefetch:2
          2⤵
            PID:4492
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:1292
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1292 CREDAT:17410 /prefetch:2
              2⤵
                PID:4912
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:4608
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4608 CREDAT:17410 /prefetch:2
                  2⤵
                    PID:2944
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:636
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:636 CREDAT:17410 /prefetch:2
                      2⤵
                        PID:5048
                    • C:\Program Files\Internet Explorer\iexplore.exe
                      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                      1⤵
                        PID:4252
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4252 CREDAT:17410 /prefetch:2
                          2⤵
                            PID:2728

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/3800-130-0x0000000000880000-0x000000000088C000-memory.dmp

                          Filesize

                          48KB

                        • memory/3800-132-0x00000000008A0000-0x00000000008B1000-memory.dmp

                          Filesize

                          68KB

                        • memory/3800-131-0x0000000000400000-0x00000000004E5000-memory.dmp

                          Filesize

                          916KB