Analysis

  • max time kernel
    158s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2023 14:01

General

  • Target

    orden de compra 211123_Arvilab srl.exe

  • Size

    52KB

  • MD5

    8f1451919fb5f5da4ae9fb9e8422dfcf

  • SHA1

    1d7f3ae4c3a73a801fd1f74387248f5c63d9582c

  • SHA256

    bfcf7363ce0cf820c23913eacab873e1f9bc51b14611e2cac22f7a78529b18ee

  • SHA512

    9a772675a0fb7dfc561967d7a9f3d8d97d272607b0d743f8d4865059cc4e4bf2551075115bba459387e836c460482be714a78eeeec9df1fe74e256c3dac74e09

  • SSDEEP

    384:lebUqIH2VIGJfZf0iTbZ0yITJOHOfHgNN0G+37Zvj66QnzVcTaOidKjWPe9qbvW:w/p0IETJOHOfHgNNU766QYaOiz

Malware Config

Extracted

Family

purecrypter

C2

https://onedrive.live.com/download?resid=F6CFB1B6019B1562%21264&authkey=!AHGHtUCYkGXio4k&em=2

Signatures

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\orden de compra 211123_Arvilab srl.exe
    "C:\Users\Admin\AppData\Local\Temp\orden de compra 211123_Arvilab srl.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2664

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab8E6C.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar8E8E.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/2664-0-0x0000000000280000-0x0000000000292000-memory.dmp

    Filesize

    72KB

  • memory/2664-1-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2664-2-0x0000000002250000-0x0000000002290000-memory.dmp

    Filesize

    256KB

  • memory/2664-1603-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2664-1784-0x0000000002250000-0x0000000002290000-memory.dmp

    Filesize

    256KB