Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2024 17:27

General

  • Target

    baid.exe

  • Size

    227KB

  • MD5

    b0af6e16283c6a34400c6859e35b236d

  • SHA1

    d114c3a26e79b11facbeb42b8cea528bc903aaa5

  • SHA256

    2f765008ab3b84766ac87b1e508ed5ae0c421c21fd5a74d5070bda0cf1502810

  • SHA512

    51cce66b80cc73c339295988a38b6b678285192417189533e8afe1f8dfe66430ad7496fef0dbb76e1b240831fbe63767b8f0180edef9aa7c4e2a16d4c053273a

  • SSDEEP

    6144:Bu3dwQ0I2XyxnAy0SN41nv2DiJXBfWjNs6sm0P65:kN3qY4h2DiXdWRbszS5

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\baid.exe
    "C:\Users\Admin\AppData\Local\Temp\baid.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\°Ù¶È³¬¼¶ËÑ°Ô\°ïÖúÖ¸ÄÏ.url

    Filesize

    127B

    MD5

    d10620d94a4bcf18082d42c4171ca514

    SHA1

    4171adbf386ca788ad3b2b28a9d22717243938fd

    SHA256

    a3eda9c70339478639a0159a97fac437472595eeda99c07767b33a43850dc92b

    SHA512

    fc4fb3af2368840f0be621de128c84e2092c39aa835cbb6a282cb692b15f00a65c43ec303662ade23919cce64dbe10344662abe64470269824f507153d2c7ddc

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\°Ù¶È³¬¼¶ËÑ°Ô\¹ã¸æÀ¹½Ø.url

    Filesize

    123B

    MD5

    3e467f2735c1e58d2634c3fe8f436334

    SHA1

    cea7862c5f9f31492c1dcb2bca4cb25787df565a

    SHA256

    85de95bf7dd047e20f10c0a47c12b21655c31657e72539a40d2b7aea044b301e

    SHA512

    1130fedbb8403bc1e68b51361f615bd8acbde53bd5a30c02e4e5ed7dc87c160a7237fee96fe58e16011f64e7e9e19b01e25e027c2054fb2cf5816a8f5dd69ad0

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\°Ù¶È³¬¼¶ËÑ°Ô\À¬»øÇåÀí.url

    Filesize

    126B

    MD5

    d95495e899435953a6783c0314c1350e

    SHA1

    347f83d0dd498633d4be0e6690126c8313169d23

    SHA256

    2829ea044762270b03bb27322b72df3ffc81b4b94deccf185876b9408f5ddbaf

    SHA512

    3d72d2b3780c4b11d2155c4cd74eadd31cf7ae037052a9432d942f08f8d7bf5f369e59885d7e1cad14dd846bf82cf358f1de96ae18da9f882b474b16ffff4624

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\°Ù¶È³¬¼¶ËÑ°Ô\ÆÁ±ÎÁбí.url

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\°Ù¶È³¬¼¶ËÑ°Ô\ϵͳ¼ÓËÙ.url

    Filesize

    123B

    MD5

    57c64c9d4155ae2ffbae9647f233bd16

    SHA1

    7cd3d4e8f2b5008eb1811208d75239082b5eb7da

    SHA256

    643ca07421266240b5331e923b4f7a30be3144a550637bf9c61f9e9973d957aa

    SHA512

    f28eda995d6abdea3eeda02909dafa331639b5664e71ba53fd7761068e615e23b7bc2b7993f0b7a677d94494b44439b1816997c1523a548d38b0679f366d7cf9

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\°Ù¶È³¬¼¶ËÑ°Ô\ÐÞ¸´¹¦ÄÜ.url

    Filesize

    126B

    MD5

    0af1d9ee3aed5f7b34e7268134ea416b

    SHA1

    f981dc2c1bfb6172c7d527d8c9c273fb1f2ea856

    SHA256

    276b59b2946a0055f5e96bb06b7dc2b33b64b682ea5389b6d2d8918ca27bc38c

    SHA512

    15e44e2341e04c3248462bf2e24016e66f1ac498cd29e752ee7f963e3d7b297ce9329f631282dfeb016fd80e9a8260001bfa2dc5e649dfcf44b240bdcc6016dd

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\°Ù¶È³¬¼¶ËÑ°Ô\Òþ˽±£»¤.url

    Filesize

    126B

    MD5

    32999fa80e4f6c6561346a99595a8f23

    SHA1

    47880460d7ab5cb47c0b5aed6a7f2710cfbf4dd4

    SHA256

    73bbd206aab8a1775ead488d8004b87a6de5d74926aad0f19084e6eede7b09bf

    SHA512

    afd3caee0c4bf56c91ef5af0cc4bff55b55ec251399e7b0ef4543fc23e6e264fa625935b845a3a74e7902726883cf9406b0d969502c0c0432bde0953efc8e97d

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BaiduBar.dll

    Filesize

    342KB

    MD5

    d2a4042ffa73af68e1e92c007410b8a6

    SHA1

    9c423bab8f323add1f1dc6cd1a98ee243be457a1

    SHA256

    14f9d44e6cb456769c5d72b11aa0c1f0eb54d8702a80b1cde98542610272707a

    SHA512

    de22dd94472e2ecc41b32c90cd3c793203772b6837f2e85a34f49840e7b0631eb039709254015afc9c69ea8b7b07ab9205b9d907e183c390099255f74087f2e8

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\install.inf

    Filesize

    587B

    MD5

    0c3994fbab1f2de3f85bc4307eaf807c

    SHA1

    0b069e8f556ccb1bd8e25cffd7dbeed004a19af8

    SHA256

    1f0d3ec96e317b505d6ed2e73f2f9af7b885214f2693d19eed61da2a764b2661

    SHA512

    a51ac973bc7b3987e572d26ef03c704857790f94dac445bbcb04d33733ba468599b2373a75357694c205d762e096e23138e9edb497fb5dc3ffd8a67e3bbd86dd

  • \PROGRA~1\Baidu\bar\BaiDuBar.dll

    Filesize

    267KB

    MD5

    ba3027661cf23145d3c5d81119e74473

    SHA1

    df926785a90dfd8347d7039013cd94c244bab2be

    SHA256

    391ff6e6480e2290409db75e9ab0ce3b102efe24ee9066145be1514b63223c41

    SHA512

    2404d46baf2ed60ed6e1840d27e68e9192e97d59f174fe6fbcd4dc817e64afdabdc24773be8538e804d167ad18ee771c03e8811c4ac2d506c4ea274f8d906bd0

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\ADVPACK.DLL

    Filesize

    90KB

    MD5

    d553b62a8136d41289513c6405efea2d

    SHA1

    db48c3fd3993ff20511e47ffad14bfbdb9f438eb

    SHA256

    ce7cfb626807084186b248bbf2ef776eac086da936146f7d44956c2fcfaec1f8

    SHA512

    4a3767e8ac1e684a9a6eaced921b9599e34d5a4e83f034c7fe42bd8fd707a2b86f51ad485933fed5015554c3f9c4cf4b1357832964cc170d8cba86092fc9d2e2