Analysis

  • max time kernel
    152s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 10:36

General

  • Target

    3b9a8922ad981a162ef91d9e3d55ccbbfee1c2c94f76013a14e95fd3104f6af5.exe

  • Size

    461KB

  • MD5

    8e6212a958d6d53600b9006cb1177f74

  • SHA1

    8f53ef29fede2024e669f7669d1b9d23f35b4fbd

  • SHA256

    3b9a8922ad981a162ef91d9e3d55ccbbfee1c2c94f76013a14e95fd3104f6af5

  • SHA512

    6fae2047ee9d3693052ee0f35f15abf4328bb750be4f988191fc36dc47ae80285eaaaa536ab2a5f5d2de3476d9dcb842667e813959ec537e5ccae60a150fefb7

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300898

Extracted

Family

gozi_rm3

Botnet

89820235

C2

https://exeupay.xyz

Attributes
  • build

    300898

  • 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 59 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\3b9a8922ad981a162ef91d9e3d55ccbbfee1c2c94f76013a14e95fd3104f6af5.exe
    "C:\Users\Admin\AppData\Local\Temp\3b9a8922ad981a162ef91d9e3d55ccbbfee1c2c94f76013a14e95fd3104f6af5.exe"
    1⤵
      PID:480
    • 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:1116
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1116 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1544
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1116 CREDAT:537617 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1572
    • 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:1760
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1760 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1604

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/480-54-0x0000000075941000-0x0000000075943000-memory.dmp

      Filesize

      8KB

    • memory/480-55-0x0000000000220000-0x0000000000248000-memory.dmp

      Filesize

      160KB

    • memory/480-56-0x0000000000400000-0x0000000000474000-memory.dmp

      Filesize

      464KB

    • memory/480-57-0x00000000003E0000-0x00000000003F6000-memory.dmp

      Filesize

      88KB