Analysis

  • max time kernel
    163s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 07:06

General

  • Target

    fbd263fef5fd3d0033d57b36d4118780c7de4a615e568b54587dbaf7c5397037.exe

  • Size

    162KB

  • MD5

    e8bf277e4cd749304f61e9d95275d397

  • SHA1

    a2ad72750ccf2d6d84eb69504333536dfa0c89cb

  • SHA256

    fbd263fef5fd3d0033d57b36d4118780c7de4a615e568b54587dbaf7c5397037

  • SHA512

    da654e2df7ee680a3eb7470e1a51e1ab4382ed18b9f6f3915088558e23772522e3af11bb932b9f972b75402f595d2bd93f37666b620eac1706a927c4d9dc43f5

Malware Config

Extracted

Family

gozi_ifsb

Attributes
  • build

    214107

Extracted

Family

gozi_ifsb

Botnet

3529

C2

gmail.com

google.com

nfyuabel.com

rwoodrowyioay.com

gqx21mcou.com

Attributes
  • build

    214107

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    0x4eb7d2ca

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • exe_type

    loader

  • server_id

    12

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi, Gozi IFSB

    Gozi ISFB is a well-known and widely distributed banking trojan.

  • suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M2 (_2F)

    suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M2 (_2F)

  • Modifies Internet Explorer settings 1 TTPs 64 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\fbd263fef5fd3d0033d57b36d4118780c7de4a615e568b54587dbaf7c5397037.exe
    "C:\Users\Admin\AppData\Local\Temp\fbd263fef5fd3d0033d57b36d4118780c7de4a615e568b54587dbaf7c5397037.exe"
    1⤵
      PID:1884
    • 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:892
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:892 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1568
    • 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:1064
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1064 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:608
    • 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:1504
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1504 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1516

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1884-54-0x0000000000180000-0x000000000018E000-memory.dmp
      Filesize

      56KB

    • memory/1884-55-0x0000000000180000-0x00000000001BB000-memory.dmp
      Filesize

      236KB

    • memory/1884-56-0x00000000001C0000-0x00000000001CF000-memory.dmp
      Filesize

      60KB

    • memory/1884-62-0x0000000000180000-0x00000000001BB000-memory.dmp
      Filesize

      236KB