Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 12:42

General

  • Target

    2024-05-22_b227e9adce0ff8aaa776eb41645a09cf_cobalt-strike_cobaltstrike.exe

  • Size

    4.7MB

  • MD5

    b227e9adce0ff8aaa776eb41645a09cf

  • SHA1

    a4c7f4f58165230caa9dadc27932102efe997974

  • SHA256

    2034d60740b570790a9fefef3f1fff7d1b066179d68236445e739b3f21f52741

  • SHA512

    110b12fc6013c1bcbb0540e5401be01eb5f95e1ecb89dd93f445ecacfe7d8930156527dc8b1849c995d564c6ead629f2f52ba16c98993b72f1827f0ad8b7c570

  • SSDEEP

    98304:SW1qiPgxn+cuSuxx8Svt73qq36IdKtVxNw6pUkp3bkbRxSUS:53EnsxxDt73DdKrwapwbtS

Score
10/10

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Detects executables containing URLs to raw contents of a Github gist 1 IoCs
  • UPX dump on OEP (original entry point) 2 IoCs
  • XMRig Miner payload 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-22_b227e9adce0ff8aaa776eb41645a09cf_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-22_b227e9adce0ff8aaa776eb41645a09cf_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Modifies system certificate store
    PID:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    8d32268249acd7b805da5b0d54688ba0

    SHA1

    278f0c5f59b22f592667c59ab281a11b00a6194f

    SHA256

    3a1d1581cba9067186a373d44f2c6426349abfd9cc517072e0cd293ef1e5fd45

    SHA512

    05b2dab741407d4fecd89d146804530bf78c2e3bf29183efb8e3dc59e4b4d34f0520a7102d2f177998e83b865e3b7cefbbaac274c05f444c2e6cac3d16d4cc36

  • C:\Users\Admin\AppData\Local\Temp\Tar1839.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/2028-1-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/2028-0-0x00000000002E0000-0x00000000002F0000-memory.dmp
    Filesize

    64KB

  • memory/2028-124-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB