Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2024, 16:36

General

  • Target

    a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe

  • Size

    536KB

  • MD5

    1fa29c7731c5ef66e62e8dc8289885b9

  • SHA1

    aba6fce50892b02ca0201a86107b66a3c43c045b

  • SHA256

    a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322

  • SHA512

    4c695befe3dadc40466369293ff5da0279c18a034754cac8dc776f75dfa3e91f6b17f3cc313c8bcf651c30eb317b10948bf46fca9a12e6c8223e9dfa2e66d762

  • SSDEEP

    12288:Bhf0Bs9bDDq9hu53Ltp/p+gPhhwPOaoTJRkmOkx2LIa:BdQyDL9xp/BGA1RkmOkx2LF

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 5 IoCs

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

  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in Windows directory 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1252
    • C:\Users\Admin\AppData\Local\Temp\a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe
      "C:\Users\Admin\AppData\Local\Temp\a051d0824ce65b37ac89218b5fcc82c345593d783c4f5f0a5721f757caa4e322.exe"
      2⤵
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • 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

    344B

    MD5

    ad6b7f3dcfaa5c080a95973fdb58cf26

    SHA1

    b69d47c2150efaedabf5f0f260d96941b40d5985

    SHA256

    384390ab731c0bb13fe36da71733f91c55ceee4be36401dc8b8adf8720982f2e

    SHA512

    f599854715fbc4b8429a1b8439f9d2abb94580d432e8747d0bb1274ad0328d5edc5bd686b42c09bcdd9bbd6557bab44d8dc6d09d78c9730a689a7fa3c1390af7

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

    Filesize

    242B

    MD5

    24b6492fda069622dcd4a312afc362ff

    SHA1

    77502b856df3af1dc1ec892af45ea1c3ca8e0f65

    SHA256

    355bc16067676b5c26fbf709c16b1c5709bb71b26a20b270cc0308cd503cd2bb

    SHA512

    f8373f6717606a26353c45045e5d9769821529a93586e9f69ec853501b630dcf4af7e60a27d032d2563bdfa1021fe804a287567d94a15e46f02cb4f355e14655

  • C:\Users\Admin\AppData\Local\Temp\Tar1347.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1252-6-0x0000000003D90000-0x0000000003E09000-memory.dmp

    Filesize

    484KB

  • memory/1252-4-0x0000000002DD0000-0x0000000002DD3000-memory.dmp

    Filesize

    12KB

  • memory/1252-502-0x0000000003D90000-0x0000000003E09000-memory.dmp

    Filesize

    484KB

  • memory/1252-3-0x0000000002DD0000-0x0000000002DD3000-memory.dmp

    Filesize

    12KB

  • memory/2896-0-0x0000000000A00000-0x0000000000B02000-memory.dmp

    Filesize

    1.0MB

  • memory/2896-332-0x0000000000A00000-0x0000000000B02000-memory.dmp

    Filesize

    1.0MB

  • memory/2896-731-0x0000000000A00000-0x0000000000B02000-memory.dmp

    Filesize

    1.0MB

  • memory/2896-916-0x0000000000A00000-0x0000000000B02000-memory.dmp

    Filesize

    1.0MB

  • memory/2896-930-0x0000000000A00000-0x0000000000B02000-memory.dmp

    Filesize

    1.0MB