Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 20:02

General

  • Target

    2024-05-24_0a39489c37368da3d7e829b68dc75e23_cobalt-strike_cobaltstrike.exe

  • Size

    7.4MB

  • MD5

    0a39489c37368da3d7e829b68dc75e23

  • SHA1

    5b2591fb085c88a01db1f8a7d2d86153b3394b88

  • SHA256

    dc52ca5dcd0c52723215009d75e569ba7f0c67d2c47da765c28f58b72a2409bb

  • SHA512

    2133d1735d0aa26d99910324639c328675245789e5bfeb8ad7ded4219bad171d688d23ff6dcdbcee39972bfcbeffb25e7bbd1b8f79ffde96dcfe564acb44043b

  • SSDEEP

    98304:bGUjSb/X0Z3y/t2uDN8nsk/39999999999eEN3JjAUtw6MT4nR8CZqXebhnp3aJl:bGUGb/X0Zi/t2uDN8qurYmd08uDb

Malware Config

Signatures

  • Cobalt Strike reflective loader 1 IoCs

    Detects the reflective loader used by Cobalt Strike.

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • xmrig

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

  • Detects Reflective DLL injection artifacts 1 IoCs
  • Detects executables containing URLs to raw contents of a Github gist 15 IoCs
  • XMRig Miner payload 15 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Modifies Internet Explorer start page 1 TTPs 6 IoCs
  • Modifies system certificate store 2 TTPs 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-24_0a39489c37368da3d7e829b68dc75e23_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-24_0a39489c37368da3d7e829b68dc75e23_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops autorun.inf file
    • Modifies Internet Explorer start page
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    7.4MB

    MD5

    5540f0e3c881301bd74f098d3795d59a

    SHA1

    84be925938f10990a408e82add92e3b5c019274f

    SHA256

    9d8ce6be2e924fa3b5036651964e96434b0e64700818b57305c8c23f25e87280

    SHA512

    fe9f5bc1c2b5da94da4646a274e84da2bfb55deb50c2ae234e324a31b0a5423ac15f75dbc4eac237d0cd513d38a69b7eb8cfd2c34d1071f297ceacdc88dd92b6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3C428B1A3E5F57D887EC4B864FAC5DCC

    Filesize

    914B

    MD5

    e4a68ac854ac5242460afd72481b2a44

    SHA1

    df3c24f9bfd666761b268073fe06d1cc8d4f82a4

    SHA256

    cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

    SHA512

    5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

  • 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\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC

    Filesize

    252B

    MD5

    6c64ec43c959324fed706d40ac3a832e

    SHA1

    a19ed6537ebb4bd35b13ede1fd82335f10fa3712

    SHA256

    f3d17d1ad8f293b593e835c76ff4a183a5272740da654cb3c84aae9caa085450

    SHA512

    d853137f1e79e7d89c57a1d9c702637a54224981703f4a2e77a730372006253b9c1a572dcda8216efc73d5e396d8c8abbf17626608334aa2237851cde7802aa6

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

    Filesize

    344B

    MD5

    0c858025d59e7dac96bad717778f6962

    SHA1

    a63d65d701efc8da2e9ba63e26daa434dcbc1f6b

    SHA256

    1debf45f405478da9a275a9a0b398ddb8e7599067743dc3c809226007609275d

    SHA512

    38e0182e2ebbd22925538222185b8a4124964ee48c81db0b728ae327ce5b513e7d5a9f0a0e9bea84679dc7eab82dd9153b8e6838423f91f4b4f6042e8491ae8e

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

    Filesize

    344B

    MD5

    e8b047ef4e48d090dbe92b4d36849c7a

    SHA1

    28cfd848ca6fec6af27fad99c76b7db8cbb43bf7

    SHA256

    774e5cceffdc39151369689282724b230b6808a7cb4a1c99b3d932c5aa320680

    SHA512

    e1146358c490487db098b497df298102bed9cea0a01509529610745f894f1bf1f60a40c5b85627f58dfec3c88986f283095e936983b923d59c43047edfd772b3

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

    Filesize

    344B

    MD5

    e082c37dcd6c2cdd2966f905d6bfbccd

    SHA1

    ce56ae2f363f51bf8cbc50a67167af71b6a5167f

    SHA256

    91f052e94711e4fd6ab6f95e0e80d0f16bd2b619d61ac064c91c9cf0ebeae765

    SHA512

    b9944ae9e38afdab0e9acd9de0ff4067409682f65db98e6182909bb5c20f15df3076266f5936002e717c479871d0b29c065733c8eb59729ff8f94f72550551ba

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    8d48cc1062f23110af61236c1fb28ed4

    SHA1

    de6cb40e3df590a952e7ee5432e27c715f210877

    SHA256

    70139411aab3d45618be5bc7edaecd6348995067f1e5e136ebb085e43cced876

    SHA512

    e60a3a82eaa63be4d29c2b686a999a5f5768d1afc6eace7026defe0592568626982662347211eb51334ebf0a36bceed7596577ec0dd1e5d6872be137da30ece2

  • C:\Users\Admin\AppData\Local\Temp\Tar13B5.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • F:\autorun.inf

    Filesize

    30B

    MD5

    a4e6d9f8b549d6dfe9350bbb3a57d526

    SHA1

    bd40d2f8fc45f69758b34dae7fc43306ba4f38f1

    SHA256

    bd4bd6e63fcd199a9c1ec1d963a38db295e1d118bfbf429fdc63074f310b1f13

    SHA512

    7fdbd0e18a68375edbe12f7d4cf2336ca3d3822bdbf0dddff65005fd59d5a55a62c77862daa274fe28fa1dfb94c528d9e8d06d883403b657fda9877c81b46ccb

  • memory/2880-700-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-360-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-364-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-666-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-667-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-0-0x00000000003F0000-0x0000000000400000-memory.dmp

    Filesize

    64KB

  • memory/2880-361-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-589-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-927-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-305-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-1015-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-1314-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-1315-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-1762-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB

  • memory/2880-2059-0x0000000000400000-0x0000000000DBD000-memory.dmp

    Filesize

    9.7MB