Analysis

  • max time kernel
    143s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 08:58

General

  • Target

    e0b15c5b68a21db7a86f92689c5df63d343a52e3e7b09d19f3ffbf941b32c4d1.exe

  • Size

    112KB

  • MD5

    c0cbf06683d1011a23ef43d8305357dd

  • SHA1

    a97c5c84b5830b007b886122dc0df33005f0d9d9

  • SHA256

    e0b15c5b68a21db7a86f92689c5df63d343a52e3e7b09d19f3ffbf941b32c4d1

  • SHA512

    55750ab9ee0039f1feebb1ddc1671e5b98633b319ab019a72adbee2dc89c2debef5a0ac2866b1db593827b50c193e1163c76a0d735c1dbafa01b3ed9be08b31b

Malware Config

Extracted

Family

gozi_ifsb

Botnet

5500

C2

df1.kamalak.at/wpx

api3.lamanak.at/wpx

Attributes
  • build

    250143

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    0x4eb7d2ca

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • exe_type

    loader

  • server_id

    120

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 M1 (_2B)

    suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M1 (_2B)

  • 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 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0b15c5b68a21db7a86f92689c5df63d343a52e3e7b09d19f3ffbf941b32c4d1.exe
    "C:\Users\Admin\AppData\Local\Temp\e0b15c5b68a21db7a86f92689c5df63d343a52e3e7b09d19f3ffbf941b32c4d1.exe"
    1⤵
      PID:1624
    • 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:1632
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1632 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1652
    • 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:1680
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1680 CREDAT:275457 /prefetch:2
        2⤵
          PID:1300
      • 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:1608
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1608 CREDAT:275457 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1148

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1624-54-0x0000000000430000-0x0000000000432000-memory.dmp
        Filesize

        8KB

      • memory/1624-56-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/1624-55-0x0000000000400000-0x0000000000425000-memory.dmp
        Filesize

        148KB

      • memory/1624-57-0x0000000000260000-0x0000000000270000-memory.dmp
        Filesize

        64KB