Analysis

  • max time kernel
    43s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2022 06:48

General

  • Target

    fa6e20dd860443b2384243a82cd1414bfcdaf0f944cf17c9e228880c31877485.exe

  • Size

    695KB

  • MD5

    10452573b666825c8d94053c58fa0630

  • SHA1

    21cde5779fa884171d65ad3c2c9df31d8bda9f59

  • SHA256

    fa6e20dd860443b2384243a82cd1414bfcdaf0f944cf17c9e228880c31877485

  • SHA512

    73392df60bef168a948850154d3b0cb638992d0ec6f6d259275eaf77eb4065d951e91ace29e2317c34324d3b7c28cb94e1e5018b958c3cdaa0e4755892735226

  • SSDEEP

    12288:51i/ljo6d94Z2NC+H07HQP4pgIHy0/GqBcL4DGsxv3FAG06CaN57JoMbXf+5AYIR:51i9Igs57HQPzIXGqy0K2t5CaV5bXWaR

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies AppInit DLL entries 2 TTPs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa6e20dd860443b2384243a82cd1414bfcdaf0f944cf17c9e228880c31877485.exe
    "C:\Users\Admin\AppData\Local\Temp\fa6e20dd860443b2384243a82cd1414bfcdaf0f944cf17c9e228880c31877485.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1228
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F3F73823-D8A6-4239-B7D7-78C7A9CC7FC5} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\PROGRA~3\Mozilla\jjruejn.exe
      C:\PROGRA~3\Mozilla\jjruejn.exe -npivonl
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:1168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\PROGRA~3\Mozilla\jjruejn.exe

    Filesize

    695KB

    MD5

    e1c20dc6a2a8bdf4bb80fa3e0b9aaa3e

    SHA1

    5f5f6e618a7d6f5c88f1eb2d11cd0a88856a5dcb

    SHA256

    9a5b1fa92d94883ef0a5651722b2cd5d0a7c409c95da1d802bf7ba9862ae35fe

    SHA512

    057b6f5c5facecee308e76460732c979d0677c10083f2597573d654dcb51e2126bd9c3c557b272c37c5fa159567a9ea1956f187e9309eadd0af3ae568467dc5f

  • C:\PROGRA~3\Mozilla\jjruejn.exe

    Filesize

    695KB

    MD5

    e1c20dc6a2a8bdf4bb80fa3e0b9aaa3e

    SHA1

    5f5f6e618a7d6f5c88f1eb2d11cd0a88856a5dcb

    SHA256

    9a5b1fa92d94883ef0a5651722b2cd5d0a7c409c95da1d802bf7ba9862ae35fe

    SHA512

    057b6f5c5facecee308e76460732c979d0677c10083f2597573d654dcb51e2126bd9c3c557b272c37c5fa159567a9ea1956f187e9309eadd0af3ae568467dc5f

  • memory/1168-60-0x0000000000000000-mapping.dmp

  • memory/1228-54-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/1228-55-0x0000000075A11000-0x0000000075A13000-memory.dmp

    Filesize

    8KB

  • memory/1228-56-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB