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Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 06:57

General

  • Target

    833cce972ad6f9d482a0efa231cc6b0131bd1bdb3e2a0510ab6e87e7b5e95fdcN.exe

  • Size

    46KB

  • MD5

    0c8f3423de6f321a7bb483d367ab4780

  • SHA1

    6d034f9c5ff37844426952ec9d532ffc481315b6

  • SHA256

    833cce972ad6f9d482a0efa231cc6b0131bd1bdb3e2a0510ab6e87e7b5e95fdc

  • SHA512

    6e9f3112a3475f374bc1ffc1661d7410f72f74bf0ffddf584f674109aa2079f6916bf1cef008fe689f5b2477ced7c3155edb651f0e3e0838225ed7a31d37d587

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9Ajs:V7Zf/FAxTWoJJ7T2js

Malware Config

Signatures

  • Renames multiple (3366) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\833cce972ad6f9d482a0efa231cc6b0131bd1bdb3e2a0510ab6e87e7b5e95fdcN.exe
    "C:\Users\Admin\AppData\Local\Temp\833cce972ad6f9d482a0efa231cc6b0131bd1bdb3e2a0510ab6e87e7b5e95fdcN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-4177215427-74451935-3209572229-1000\desktop.ini.tmp

    Filesize

    47KB

    MD5

    ea8d65cc8ea28dd2a2831417b675378b

    SHA1

    7f96f78258e0bcbdbfe343b25601dfa16804f6b7

    SHA256

    f245b5967bf61efd2e0e5d4259809893ff064bef66d167abf62d8e14984504f1

    SHA512

    1e51f4d060618adaaff8749ad4f87378960848517be111f34515d5144afcbad32e235779791acfd2b4e6f86b67e3ec8204717d63ede42a83deabe0f60bd82d44

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    56KB

    MD5

    26f27f54e2ec06952b94ee6e8d5aba73

    SHA1

    c108c911272556ce7a9f83f938f746f85558e7c1

    SHA256

    581d5c94d4d41c113a6906c74d0c63e11565e299c0349ddff2bbeb70fef49486

    SHA512

    b9e73d589f2b4e94b342a611ced0d3a7d806ef64fa41c8e0ed2ef183663c3ed9da90e77ca6077cfa0ca89c427088a43a80e4a399eccee006c605931d6b3b710c

  • memory/2200-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2200-70-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB