Analysis

  • max time kernel
    4294201s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    19/03/2022, 15:39

General

  • Target

    8bfc0d33681f4117e5cde9ae80cc506811689240f03b6efdcde175be9191fefb.exe

  • Size

    265KB

  • MD5

    29d1651ef8389ba50bf0d79fff4aad1c

  • SHA1

    128ba046f2adb250471383e54a5c110593933df5

  • SHA256

    8bfc0d33681f4117e5cde9ae80cc506811689240f03b6efdcde175be9191fefb

  • SHA512

    78c8969c4d213de79c439c735fdfe20f734a531e3f25ad853972d7eb6dbe5eabcb2b7ba154562f4f1f7cc1f86b169cadb570b282cdc9507e420fa18e62e435bf

Malware Config

Extracted

Family

gozi_ifsb

Botnet

8005

C2

ssddl2.microsoft.com

siberiarrmaskkapsulrttezya.ru

sibedriamasterkkmoderatordstezya.ru

massidfberiatersksilkavayssstezya.ru

dolsggiberiaoserkmikluhasya.chimkent.su

dolsibegriaosersk4ermanderezya.chimkent.su

rdosdripakloserikabyatezya.chimkent.su

rusddripakoloserufinurtdrfezya.chimkent.su

ripakteenrufinishryeuliliezya.ru

rufiteemnisripakhglassdzya.ru

rufinisrufripakhmileronurzya.ru

rurugyrfripakinishtokokusstezya.ru

rufislomnishsripakerdfnstezya.adygeya.su

Attributes
  • build

    250161

  • dns_servers

    107.174.86.134

    107.175.127.22

  • 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 Possible Zeus .ru CnC Domain Generation Algorithm (DGA) Lookup Detected

    suricata: ET MALWARE Possible Zeus .ru CnC Domain Generation Algorithm (DGA) Lookup Detected

  • 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 4 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8bfc0d33681f4117e5cde9ae80cc506811689240f03b6efdcde175be9191fefb.exe
    "C:\Users\Admin\AppData\Local\Temp\8bfc0d33681f4117e5cde9ae80cc506811689240f03b6efdcde175be9191fefb.exe"
    1⤵
      PID:2032
    • 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:1136
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1136 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1032
    • 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:1176
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1176 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:556
    • 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:988
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:988 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1160
    • 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:1664
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1664 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1640

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/2032-54-0x0000000005259000-0x0000000005264000-memory.dmp

            Filesize

            44KB

          • memory/2032-55-0x0000000005259000-0x0000000005264000-memory.dmp

            Filesize

            44KB

          • memory/2032-56-0x0000000000020000-0x000000000002C000-memory.dmp

            Filesize

            48KB

          • memory/2032-57-0x0000000000400000-0x000000000516F000-memory.dmp

            Filesize

            77.4MB

          • memory/2032-58-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2032-62-0x0000000075801000-0x0000000075803000-memory.dmp

            Filesize

            8KB