Analysis

  • max time kernel
    131s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    10/06/2024, 20:29

General

  • Target

    BlamFREE.exe

  • Size

    5.1MB

  • MD5

    34c616e5aecef6d5e8eb159bfb64a3a5

  • SHA1

    3ac025952ba48b9415c544af3a6debf25292e1bd

  • SHA256

    aa412178ead22a7b200d0375a8cf986e19bac59b54ee8fb08d3a9d74127eefe9

  • SHA512

    6a574bd2962045173ba7306131284d3b0121b1be849a8a4fa455bdeb04d44f950c8207161b0e1160c43c45f1950e19adf59c9c1e0aaf6188d56a6132b0e4e28e

  • SSDEEP

    98304:RZNKkmUI4/speViXUmhQIhgO9xlt5kL2/UrBsfiYvlyaiMm5mBTQwJin3:xKkmUIrFUmCIzltz/SmdcMmgpQiin3

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BlamFREE.exe
    "C:\Users\Admin\AppData\Local\Temp\BlamFREE.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • 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\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    20602f56df10db89c18d32d926b426a7

    SHA1

    6d7075b0604324c462ebab41ce4f076da26bf94d

    SHA256

    6c2f31fe8f8ba4df530fa6fb3407b52de5f0ce6279cb8fa0bc29d827d2756229

    SHA512

    96d1a94328d21b5e9c20bcae7a00c1bd23ec14eec1beaf13d3084214d90f173d39a677b2e69a25f04698c2825a6fbe79f5680687155c0f05ba64adacdcaa30ab

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

    Filesize

    242B

    MD5

    478da7c4c6c108fe777801b47bb63cee

    SHA1

    d17c286a0d432bbbcf3635d96d9ad90772b7bc8b

    SHA256

    63fff89ac1e883f20b47c363b90079ab364ba0e51d4286721d144a03de9f0a8f

    SHA512

    89d87df279f6cd2d8ff3be0fb7620b42e74b9e9c05a7ab2f2abbacebe9c5624c4806409498f6fa1f418d9dbd220619a3ba3b5ddd47dd5d50a36537e5078cd301

  • C:\Users\Admin\AppData\Local\Temp\Tar19AD.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2316-12-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-8-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-24-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-23-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-22-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-21-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-20-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-19-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-18-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-17-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-16-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-15-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-14-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-0-0x0000000000B50000-0x0000000001586000-memory.dmp

    Filesize

    10.2MB

  • memory/2316-11-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-10-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-9-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-25-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-7-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-6-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-5-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-29-0x0000000000B50000-0x0000000001586000-memory.dmp

    Filesize

    10.2MB

  • memory/2316-30-0x0000000000B50000-0x0000000001586000-memory.dmp

    Filesize

    10.2MB

  • memory/2316-31-0x0000000002EC0000-0x0000000002F0E000-memory.dmp

    Filesize

    312KB

  • memory/2316-13-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-2-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-4-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-3-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-1-0x0000000075401000-0x0000000075402000-memory.dmp

    Filesize

    4KB

  • memory/2316-118-0x0000000007B80000-0x0000000007D92000-memory.dmp

    Filesize

    2.1MB

  • memory/2316-145-0x00000000078D0000-0x0000000007988000-memory.dmp

    Filesize

    736KB

  • memory/2316-147-0x0000000075401000-0x0000000075402000-memory.dmp

    Filesize

    4KB

  • memory/2316-148-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB

  • memory/2316-150-0x00000000753F0000-0x0000000075500000-memory.dmp

    Filesize

    1.1MB