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Analysis

  • max time kernel
    167s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 11:27

General

  • Target

    038fdbfb7f46fed85b05571310c376a24ff3efb1ad80ba1625d9e4d636539f89.exe

  • Size

    536KB

  • MD5

    39bf0ab50c09a22792cecb6fe5c1b3d2

  • SHA1

    8ddd89d0f8791f71f1904d6dac82e803059c230c

  • SHA256

    038fdbfb7f46fed85b05571310c376a24ff3efb1ad80ba1625d9e4d636539f89

  • SHA512

    3ebc2631e16e804eef7a0845019226cce12704e6999837d7e20801933718cd2af482bc1ce4c84c8b00f9c5770d6880ece52b023e34a5988d4ef018ffded04015

  • SSDEEP

    12288:Vhf0Bs9bDDq9hu53Ltp/p+gPhhwPOaoTJRkmOkx2LIa:VdQyDL9xp/BGA1RkmOkx2LF

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 7 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of FindShellTrayWindow 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
    PID:3136
    • C:\Users\Admin\AppData\Local\Temp\038fdbfb7f46fed85b05571310c376a24ff3efb1ad80ba1625d9e4d636539f89.exe
      "C:\Users\Admin\AppData\Local\Temp\038fdbfb7f46fed85b05571310c376a24ff3efb1ad80ba1625d9e4d636539f89.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3888

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046

    Filesize

    1KB

    MD5

    a1f04d597102dcff7d4a7d15e7669f95

    SHA1

    0c2cb6fcc09da00eafe14ca5500b6da0b1c639a3

    SHA256

    3fe2dd34fffba51db94882aa52161da94cd2648057ad19b68606221b59d9c42f

    SHA512

    e0dca116d5b6d0d1c1899f34fc4187910daf9bc8b6583265861385e0d6d3237c1eb98eda2432d6993bf9f167425fea08f5a6c835d78508ca6412eb67ae82eb57

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D440AC65793A7BBE167BE882B99F465E

    Filesize

    938B

    MD5

    1e3efe731ff2279126ec4e8d2feb2c59

    SHA1

    4a317ed2c9005b37e50fd43502da25894003ba36

    SHA256

    b9b4411cfa4ddd72bb752b69af2ba7eae692eb53dd88e07df937134f230c47e2

    SHA512

    4431f09b2ced7e12167e82cef5211b1df24639ad8f70c86a0b015c441b48bf695b8544a1d99ed9d7aa7441fa7026129bff80eebd4100628fbe25636a7167fd99

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046

    Filesize

    502B

    MD5

    48f82f97a62be95d81c9d2d611d42867

    SHA1

    7a89f8eccfffbc6350cdbb0fca203c6ff4107411

    SHA256

    79bd4110a8d4a95b8959d90c148d9dced77be7b21d13d59c0283a8f7081f2e33

    SHA512

    7b285a0c351e5ea34d5c44142a1b5cae5befb0450e0fbee6178208df7145a4029770fc6acdbfb2eb767cd4b7dc849a1349096dc448a283ab5db5d4ee418b785a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D440AC65793A7BBE167BE882B99F465E

    Filesize

    520B

    MD5

    a41a6d652f003af24fb319d8ab0f6bbd

    SHA1

    088ab52310206b37c7e72e3fda05456224a73038

    SHA256

    aa504dcb8e08e848d94af650381a51a9b614b8e7d2294a46fc42d5992d191097

    SHA512

    8a9ea83ca23ac22fd44350f902637662ecfd9205ef224d12304453476e578a1836832003d13d41786f4b47f9b773f6c3c34417ebff30278d7d7ab3a6863e3f91

  • memory/3136-7-0x00000000024B0000-0x0000000002529000-memory.dmp

    Filesize

    484KB

  • memory/3136-6-0x0000000000630000-0x0000000000633000-memory.dmp

    Filesize

    12KB

  • memory/3136-16-0x00000000024B0000-0x0000000002529000-memory.dmp

    Filesize

    484KB

  • memory/3136-3-0x0000000000630000-0x0000000000633000-memory.dmp

    Filesize

    12KB

  • memory/3136-4-0x0000000000630000-0x0000000000633000-memory.dmp

    Filesize

    12KB

  • memory/3136-5-0x00000000024B0000-0x0000000002529000-memory.dmp

    Filesize

    484KB

  • memory/3888-8-0x0000000000A80000-0x0000000000B82000-memory.dmp

    Filesize

    1.0MB

  • memory/3888-0-0x0000000000A80000-0x0000000000B82000-memory.dmp

    Filesize

    1.0MB

  • memory/3888-25-0x0000000000A80000-0x0000000000B82000-memory.dmp

    Filesize

    1.0MB

  • memory/3888-26-0x0000000000A80000-0x0000000000B82000-memory.dmp

    Filesize

    1.0MB

  • memory/3888-29-0x0000000000A80000-0x0000000000B82000-memory.dmp

    Filesize

    1.0MB

  • memory/3888-43-0x0000000000A80000-0x0000000000B82000-memory.dmp

    Filesize

    1.0MB

  • memory/3888-65-0x0000000000A80000-0x0000000000B82000-memory.dmp

    Filesize

    1.0MB