Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 12:32

General

  • Target

    2024-05-22_3bda8d6558bbc56d60408edb671be36b_cobalt-strike_cobaltstrike.exe

  • Size

    5.9MB

  • MD5

    3bda8d6558bbc56d60408edb671be36b

  • SHA1

    25d6d205d06600e68173c83d3bbf9103eb167f55

  • SHA256

    d6b012074b36127f68c12000005baf1afda70b4f72260a3ca083a8141ea75cd4

  • SHA512

    694f4656d16daea1314c47b88a89c55ef904f025111c4a0fcab692907dcffaff11bb8d9bc900a5dcd9745696368ba715a0700063e6e72e41cd38928d7bc0726c

  • SSDEEP

    98304:SW1qiPgxn+cuSuxx8Svt73qq36IdKtVxNw6pUkp3bkbRxRUd:53EnsxxDt73DdKrwapwbWd

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_3bda8d6558bbc56d60408edb671be36b_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-22_3bda8d6558bbc56d60408edb671be36b_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Modifies system certificate store
    PID:2860

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

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

    5b398f529b497c93030053f536d9de56

    SHA1

    6d865f3026f941ad8b9748bcc2f487ca6fd66d48

    SHA256

    15d9f13ff70ccd68be5af6e41ecfef277080f86158092b64acf0f984065767d0

    SHA512

    db760f072bd61d7d154b67546d92bb0df0f41a6a00c57be10d714e68b22f447a039a0f2c0e8ac01129408d8beea9c8f602c5ea45d08a024c578ed6a20e42178b

  • C:\Users\Admin\AppData\Local\Temp\Tar1F99.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/2860-0-0x00000000002E0000-0x00000000002F0000-memory.dmp
    Filesize

    64KB

  • memory/2860-1-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/2860-135-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB