Analysis

  • max time kernel
    122s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 16:23

General

  • Target

    2024-05-25_18fe5738d772328617229f3f94081f88_cobalt-strike_cobaltstrike.exe

  • Size

    5.3MB

  • MD5

    18fe5738d772328617229f3f94081f88

  • SHA1

    49bfe6ffdc4dd79174e31c017b166a229e8aa9fc

  • SHA256

    cf4890fc8d1467a7853a76265f2d3aa9434455be745b9508498ec7925ab8df59

  • SHA512

    4c0f6a10d1049e67217d54662112d7497b00dfcb50715c198ae250a078621e1cffb2f49f29c2b125769967254e3322defe3636ac3cfcaec5f9649d7ef367c17d

  • SSDEEP

    98304:aIZAxzp4OwEpjoyYRshEAlOw+Je5rFrmTox8pxUV:aIZ4lrVBoyYRshEAlsefma4SV

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 7 IoCs
  • UPX dump on OEP (original entry point) 9 IoCs
  • XMRig Miner payload 8 IoCs
  • UPX packed file 10 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies Internet Explorer start page 1 TTPs 5 IoCs
  • Modifies system certificate store 2 TTPs 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-25_18fe5738d772328617229f3f94081f88_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_18fe5738d772328617229f3f94081f88_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer start page
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:2196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    5.5MB

    MD5

    068f52458893161260b602cbd7ca0648

    SHA1

    a2d78d3df65ef2febfcdc9459a48b62d3ad6b17f

    SHA256

    3a2dc79c5ea3a9e90307d89fbe1f188398d7005f2c0857114d06e3bd5316d7ca

    SHA512

    b38fc6f68f4fe9e3ea23bb99c90692635208dee990642123ef600d50a80370b504dc1b47eac31a86faf0346121014dd2dfed3c3db2869d7226c2fd9f4abe1029

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\070E0202839D9D67350CD2613E78E416

    Filesize

    1KB

    MD5

    55540a230bdab55187a841cfe1aa1545

    SHA1

    363e4734f757bdeb89868efe94907774a327695e

    SHA256

    d73494e3446b02167573b3cde3ae1c8584ac26e15e45ac3ec0326708425d90fb

    SHA512

    c899cb1d31d3214fd9dc8626a55e40580d3b2224bf34310c2abd85d0f63e2dedaeae57832f048c2f500cb2cbf83683fcb14139af3f0b5251606076cdb4689c54

  • 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\070E0202839D9D67350CD2613E78E416

    Filesize

    230B

    MD5

    0490ac10944de4aba592612293278588

    SHA1

    2ba5cb64e183490ff64b6b046fa74bfeb05f38a1

    SHA256

    b308ad3f5d00247d7e6088d59b2c5ccbd12422223444ed9497f3803e7126d63a

    SHA512

    c2e1dc76c7a60d11989f3559928f2b369f2da830c772a846e09bf0362e37cf52806d4a813adfcf276a5eb0d2fd582414e8f9e66b4a09cead6ad1c44f632b0167

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

    Filesize

    344B

    MD5

    3215b620e4b415221361ba5382e48e4c

    SHA1

    fb6fac5ba037a695756609b1984039289ec6fef5

    SHA256

    0b5c08f344274ceeb5f603f455a4899db5d7d7048479b69b52ff7ee39197afbf

    SHA512

    328f1e5e2ee040f98a644d54d08f8359524ec5655ad042bdd0393eac0c0d9af0530c8dc06cb1ec72e4706698be32d12bca2fbaed0899a6346ecaf9c30da01bed

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

    Filesize

    344B

    MD5

    55db452a84a2308965456dc00aecc225

    SHA1

    3c164a8f7f51fd0c50e4e3acca7af2abbbe8f3f3

    SHA256

    bb5460312f33b0325d66d2eb1fc52758d7ed14303731db39845bc15e253c9d65

    SHA512

    57978ce1d0ccc0cbda063bde1d575ef73391b167b1c868cced2c1db0f56b52c5a7a9efd9c5b8f2a73888cc0bfdd3e5faf9ae7cda0f888dbcc117343625da6c70

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

    Filesize

    344B

    MD5

    cdb651b448902f46c5c51cedbbf43e0f

    SHA1

    d586ba7bc6fc5508b55015dc483a8c0f59ca1765

    SHA256

    f383d075cdd4402c17b3a02ad124054bda752e5ddad1ec7d2ab5acaffaa026c8

    SHA512

    eaef9a97252c91c958d6c88f8d3d97c0d63e7d6a82f9567c8e97f21e3da48814ea61eec860a9c80d1310c286d659cf4416e4a51c80b1b02ec094746018ae95ce

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

    Filesize

    344B

    MD5

    957cfefb6e4b1f1560e8dd0630b1f737

    SHA1

    2cbd0484189996559befba85fbf054a52015bec3

    SHA256

    96a6bcd2e2ab8944c7b9a82bc7667487fc634934650b71dc178e607c5a8ce889

    SHA512

    b11a5fe112c67bda446b47ecee2a359a814dae734f3ef5de973ef0ffba43353628647f8bc957c7172dfa58f40d1029011fbccb91fade3e9706407c1f42d25f70

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

    Filesize

    344B

    MD5

    82da6553c4fc3c20b1ef16585c66f08c

    SHA1

    dbea1fa3268e58e81b54b0b768a0bef19b460b6e

    SHA256

    805f443201ac8911984ea0222e9823261763ae44a13d3ffdf86601a998d485af

    SHA512

    cb2c624fc8b4150511ebb9c66e2236a78c83c92a745c05c9cd9efeeaef62e2db3c9536ffd8ce9229c7a77c4e2aee09eb671a11a0d32e9c9e46f4678d0d426649

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

    Filesize

    344B

    MD5

    b79a6843798853361b67f4060f0a4083

    SHA1

    0e923e675371ddbc22d9262e8cb67a4332f839f6

    SHA256

    22371ccef457cbe9ab9b2a9e323d89e198cfb5ac7d79bf4145704ddcec4a4bd7

    SHA512

    497be31d6b655f3b6b66a6dbb3419c40775c63ff743ed756e68e3b664b05148c7c04ddee745013951b8066f255e7acc3f9f6ff0e8e39ef8d60ab36268db13640

  • C:\Users\Admin\AppData\Local\Temp\Cab847D.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar84A0.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar85AF.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/2196-1819-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2196-1824-0x00000000002F0000-0x0000000000330000-memory.dmp

    Filesize

    256KB

  • memory/2196-971-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/2196-0-0x00000000002E0000-0x00000000002F0000-memory.dmp

    Filesize

    64KB

  • memory/2196-1103-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/2196-1329-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/2196-1521-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/2196-1746-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/2196-1815-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2196-1-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/2196-1821-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2196-741-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/2196-1826-0x0000000000330000-0x0000000000340000-memory.dmp

    Filesize

    64KB

  • memory/2196-1828-0x0000000000340000-0x0000000000350000-memory.dmp

    Filesize

    64KB

  • memory/2196-1830-0x0000000000350000-0x0000000000360000-memory.dmp

    Filesize

    64KB

  • memory/2196-1832-0x0000000000360000-0x0000000000382000-memory.dmp

    Filesize

    136KB

  • memory/2196-1835-0x0000000000390000-0x00000000003D0000-memory.dmp

    Filesize

    256KB

  • memory/2196-1836-0x00000000003D0000-0x00000000003F2000-memory.dmp

    Filesize

    136KB

  • memory/2196-1840-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/2196-1841-0x0000000000401000-0x00000000010B5000-memory.dmp

    Filesize

    12.7MB

  • memory/2196-1842-0x0000000000400000-0x00000000010B6000-memory.dmp

    Filesize

    12.7MB

  • memory/2196-1843-0x0000000000401000-0x00000000010B5000-memory.dmp

    Filesize

    12.7MB