Analysis

  • max time kernel
    122s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06-08-2024 20:07

General

  • Target

    360TS_Setup_Mini.exe

  • Size

    1.4MB

  • MD5

    31fee2c73b8d2a8ec979775cd5f5ced7

  • SHA1

    39182a68bc0c1c07d3ddc47cd69fe3692dbac834

  • SHA256

    d26a7f2d4f3521827201e6cdcd296f132c7d18c3a1ce70c24b423300cff326fe

  • SHA512

    db51b602a8675641bc3a0a980a197243787ed12f5e0619cb1d390c91193d7e3447e3e86e2321c3ea273c6732b356003a249241d7d8a5699931810e5a35d5c650

  • SSDEEP

    24576:kL/7n6lbcC8oblv1zj1SqdAGFQZIxvC45UJoe1Z:E6+C8o5tzjYq+ZIxL5UJoeL

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\360TS_Setup_Mini.exe
    "C:\Users\Admin\AppData\Local\Temp\360TS_Setup_Mini.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Users\Admin\AppData\Local\Temp\360TS_Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\360TS_Setup.exe" /c:101 /pmode:2
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Program Files (x86)\1722974916_0\360TS_Setup.exe
        "C:\Program Files (x86)\1722974916_0\360TS_Setup.exe" /c:101 /pmode:2 /TSinstall
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Writes to the Master Boot Record (MBR)
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        PID:284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\[email protected]

    Filesize

    655B

    MD5

    4e10c6aaeb699cdd06107e0b05777e86

    SHA1

    d826c5d52f3aee3d34c1b29d0fa98656bb28bd3e

    SHA256

    6cfd566edd4d4f3aa479b97586d5fa9a9b3b3c139a870e56de1d8216e76995ec

    SHA512

    964d49a9931d365b86de8f8ffadb113f775fcfc3813453147fc4e66b772df9efcee02859192ad1f1cc4a3632143dd194da962495f0bff85d55e2c10877b8812f

  • C:\Users\Admin\AppData\Local\Temp\[email protected]\setup.ini

    Filesize

    830B

    MD5

    36724073adfa6163b719859705024525

    SHA1

    cfe5b403548af05f2ab668d16a939bf544090c16

    SHA256

    d8e7094af504087087382b7c18b645e19b9ea9438c36d827cf36f1e15417b935

    SHA512

    0d5ce4bd608691059cae4224eca0a9b22242e47de265f1e78b06dabff96392fe27f9aa01af6aff298a49f9280443c53cbe15c47c9f7ffcb7ff0bf17fd2fd8236

  • C:\Users\Admin\AppData\Local\Temp\1722974916_00000000_base\360base.dll

    Filesize

    1.0MB

    MD5

    b192f34d99421dc3207f2328ffe62bd0

    SHA1

    e4bbbba20d05515678922371ea787b39f064cd2c

    SHA256

    58f13d919f44d194827b609b6b267246abc47134bb202472c0dfe033b9d7ed73

    SHA512

    00d4c7a0a0097eb4b31a71a0eaf6ff0d44619f77a335c75688565e34e6d7f4fb6c258917457d560c6b0a5077603845ce012e01d9862e87fb5327d7f8da970f95

  • C:\Users\Admin\AppData\Local\Temp\Cab9F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarC1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\{F564E4FB-EFCF-4963-A8EE-6F5CFF9A753A}.tmp

    Filesize

    3KB

    MD5

    b1ddd3b1895d9a3013b843b3702ac2bd

    SHA1

    71349f5c577a3ae8acb5fbce27b18a203bf04ede

    SHA256

    46cda5ad256bf373f5ed0b2a20efa5275c1ffd96864c33f3727e76a3973f4b3c

    SHA512

    93e6c10c4a8465bc2e58f4c7eb300860186ddc5734599bcdad130ff9c8fd324443045eac54bbc667b058ac1fa271e5b7645320c6e3fc2f28cc5f824096830de1

  • \Users\Admin\AppData\Local\Temp\{B6EC7591-4296-438d-8CDF-4C0F6D796B35}.tmp\360P2SP.dll

    Filesize

    824KB

    MD5

    fc1796add9491ee757e74e65cedd6ae7

    SHA1

    603e87ab8cb45f62ecc7a9ef52d5dedd261ea812

    SHA256

    bf1b96f5b56be51e24d6314bc7ec25f1bdba2435f4dfc5be87de164fe5de9e60

    SHA512

    8fa2e4ff5cbc05034051261c778fec1f998ceb2d5e8dea16b26b91056a989fdc58f33767687b393f32a5aff7c2b8d6df300b386f608abd0ad193068aa9251e0d

  • memory/1528-12-0x0000000003030000-0x0000000003031000-memory.dmp

    Filesize

    4KB

  • memory/1528-36-0x0000000003030000-0x0000000003031000-memory.dmp

    Filesize

    4KB