Analysis

  • max time kernel
    150s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 00:20

General

  • Target

    82d34df0d8a30f2afaf89feb8752e2ed617c32ae970a2161351ed39909b3edb6.exe

  • Size

    908KB

  • MD5

    0dddc6420d529bb80234e87c3a505670

  • SHA1

    ec6c966448ee11b326977f5e4bd6e6893d31346b

  • SHA256

    82d34df0d8a30f2afaf89feb8752e2ed617c32ae970a2161351ed39909b3edb6

  • SHA512

    cfd9bf2884a42b3e5c1f6cba2a3daf6bf65ad0d9458fc104a0a25685307c9238f147aecb90beae265dd4669022ee868300af43de742f6de236643b645bf18d91

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 56 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82d34df0d8a30f2afaf89feb8752e2ed617c32ae970a2161351ed39909b3edb6.exe
    "C:\Users\Admin\AppData\Local\Temp\82d34df0d8a30f2afaf89feb8752e2ed617c32ae970a2161351ed39909b3edb6.exe"
    1⤵
      PID:1684
    • 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:1344
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1344 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1360
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1344 CREDAT:537617 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1152
    • 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:1464
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1464 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1224
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:1672

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1684-54-0x0000000075761000-0x0000000075763000-memory.dmp
        Filesize

        8KB

      • memory/1684-55-0x0000000000220000-0x000000000022C000-memory.dmp
        Filesize

        48KB

      • memory/1684-56-0x0000000000400000-0x00000000004E5000-memory.dmp
        Filesize

        916KB

      • memory/1684-57-0x0000000000240000-0x0000000000251000-memory.dmp
        Filesize

        68KB