Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 22:50

General

  • Target

    3233e2860615141dc4ec35c1531bde3ceab1733bcd11db1ce78d939cfbf449eb.exe

  • Size

    908KB

  • MD5

    ee5e0194b5a05b7d70a2ecd74f684aa1

  • SHA1

    154a20765165bcce33d1eb2dc13eae05695015e9

  • SHA256

    3233e2860615141dc4ec35c1531bde3ceab1733bcd11db1ce78d939cfbf449eb

  • SHA512

    0b45a3aa7e45a1be5568038bf56bad8af54a9629c6f842c67d373fb0bc7b3307da5b3f2469dc4508f3f09300d0a63c250813be7eb5efff92ef71dd1005905e8b

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 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3233e2860615141dc4ec35c1531bde3ceab1733bcd11db1ce78d939cfbf449eb.exe
    "C:\Users\Admin\AppData\Local\Temp\3233e2860615141dc4ec35c1531bde3ceab1733bcd11db1ce78d939cfbf449eb.exe"
    1⤵
      PID:112
    • 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:1336
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1336 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:992
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1336 CREDAT:209938 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1600
    • 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:324
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:324 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1204
    • 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:1140
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1140 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1708

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\28c8b86deab549a1.customDestinations-ms
      Filesize

      3KB

      MD5

      f8b687df1ac49e113fdcda787099d366

      SHA1

      52015d161d3a0573b2bb0dadf351a674b2fcc98a

      SHA256

      09b5be94f0865a5f935ea7e8fb2c1522c16ff008e7675e4d2090f14f10b78847

      SHA512

      668254fd8998b1416c89ed94a9c59356014dddc8981ece62537dc49d50a219df8eb7868b8ec4f2ee579e40aa347a03588260680da10e56d39ece94afa75fc16a

    • memory/112-54-0x0000000076191000-0x0000000076193000-memory.dmp
      Filesize

      8KB

    • memory/112-55-0x0000000000220000-0x000000000022C000-memory.dmp
      Filesize

      48KB

    • memory/112-56-0x0000000000400000-0x00000000004E5000-memory.dmp
      Filesize

      916KB

    • memory/112-57-0x0000000000260000-0x0000000000271000-memory.dmp
      Filesize

      68KB