Analysis

  • max time kernel
    67s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 00:13

General

  • Target

    9dd4f320a638ff713daeacd1eda4dd336a461da69978ce9ff22fe146f7ccc8ba.exe

  • Size

    908KB

  • MD5

    94b9487839a03883e924844921924235

  • SHA1

    5e54c202bbad42f3085830370c194822fef4678a

  • SHA256

    9dd4f320a638ff713daeacd1eda4dd336a461da69978ce9ff22fe146f7ccc8ba

  • SHA512

    d7d8c95ce4443ef5d424f086b07b3282b626f8da096f451502d92a8f8a2f34c848fcff5bd77a0b48045dbd8f085b3ecf6c4bfc0fe55789cd7b2111f244f43fc2

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 24 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\9dd4f320a638ff713daeacd1eda4dd336a461da69978ce9ff22fe146f7ccc8ba.exe
    "C:\Users\Admin\AppData\Local\Temp\9dd4f320a638ff713daeacd1eda4dd336a461da69978ce9ff22fe146f7ccc8ba.exe"
    1⤵
      PID:836
    • 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:1368
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1368 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:928
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1368 CREDAT:1913860 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1084
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:276
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:276 CREDAT:275457 /prefetch:2
          2⤵
            PID:1912
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:2004
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2004 CREDAT:275457 /prefetch:2
              2⤵
                PID:1592

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/836-54-0x0000000075721000-0x0000000075723000-memory.dmp

              Filesize

              8KB

            • memory/836-56-0x0000000000400000-0x00000000004E5000-memory.dmp

              Filesize

              916KB

            • memory/836-55-0x0000000000220000-0x000000000022C000-memory.dmp

              Filesize

              48KB

            • memory/836-57-0x0000000000240000-0x0000000000251000-memory.dmp

              Filesize

              68KB