Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 02:01

General

  • Target

    a29aacc628b82c6818aa1c02502381a7725dd0ed2573ee3282c936839298b257.exe

  • Size

    908KB

  • MD5

    2ae6c0be540b8d633c7c5558d32854af

  • SHA1

    3998b03acdff21c1a0a7d3b1330f42e0e47a6c8f

  • SHA256

    a29aacc628b82c6818aa1c02502381a7725dd0ed2573ee3282c936839298b257

  • SHA512

    843d3f10daa2c4bc8afb1adc682d4429a6daa6982c46151ebdcb39733ba5b6a94cf13a73bebcd9f694b58ab3a133df7764df8e2611ddace338c6ac1e19e1f65c

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\a29aacc628b82c6818aa1c02502381a7725dd0ed2573ee3282c936839298b257.exe
    "C:\Users\Admin\AppData\Local\Temp\a29aacc628b82c6818aa1c02502381a7725dd0ed2573ee3282c936839298b257.exe"
    1⤵
      PID:1004
    • 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:1712
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1712 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:912
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1712 CREDAT:275465 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1464
    • 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:832
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:832 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1592
    • 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:1536
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1536 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:772

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1004-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp
      Filesize

      8KB

    • memory/1004-55-0x0000000000220000-0x000000000022C000-memory.dmp
      Filesize

      48KB

    • memory/1004-56-0x0000000000400000-0x00000000004E5000-memory.dmp
      Filesize

      916KB

    • memory/1004-57-0x00000000002C0000-0x00000000002D1000-memory.dmp
      Filesize

      68KB