Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 10:22

General

  • Target

    5548507963e58e7c89e406452a4c00823db72b26c96cfcf7ed82799dacaf48d7.exe

  • Size

    72KB

  • MD5

    a98b7cae408bcdd0c6f9f5c1f6d83070

  • SHA1

    044c9dfd8a3aeaf5e8570a155268f661be8e426d

  • SHA256

    5548507963e58e7c89e406452a4c00823db72b26c96cfcf7ed82799dacaf48d7

  • SHA512

    a4d868e75902caaccfcb1152edd5fe0606218fd34493e291ae49a640dac5e8cebbe3672e5ceae2260531262080fc78ffc1779c5b6c22bde78f230937ece71128

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300848

Extracted

Family

gozi_rm3

Botnet

20208482

C2

https://amaxingpics.xyz

Attributes
  • build

    300848

  • 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 5 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5548507963e58e7c89e406452a4c00823db72b26c96cfcf7ed82799dacaf48d7.exe
    "C:\Users\Admin\AppData\Local\Temp\5548507963e58e7c89e406452a4c00823db72b26c96cfcf7ed82799dacaf48d7.exe"
    1⤵
      PID:1388
    • 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:1516
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1516 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1100
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1516 CREDAT:472078 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1956
    • 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:1200
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1200 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1720
    • 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:1932
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1932 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1804

    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
      MD5

      b6ccfba4d7557219463f57b689b8eb6d

      SHA1

      5543c99eb775ee67712649518387794ed7a09903

      SHA256

      92307fc19d00f64d85d2a26ae17b043d7878f39ee47cae348a1a73ea562dc9a7

      SHA512

      27007cc84379916880109c00187ab67cea4bc57a1e05b845165a306f1767271b1bf57f00e5e07b92174363c5cdd03a929d48515112be8b1d821b7da8deaef901

    • memory/1388-55-0x00000000758A1000-0x00000000758A3000-memory.dmp
      Filesize

      8KB

    • memory/1388-56-0x00000000001B0000-0x00000000001BC000-memory.dmp
      Filesize

      48KB

    • memory/1388-57-0x0000000000400000-0x0000000000413000-memory.dmp
      Filesize

      76KB

    • memory/1388-58-0x00000000001D0000-0x00000000001E1000-memory.dmp
      Filesize

      68KB

    • memory/1388-61-0x00000000003D0000-0x00000000003D2000-memory.dmp
      Filesize

      8KB