Analysis

  • max time kernel
    50s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 02:43

General

  • Target

    a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe

  • Size

    623KB

  • MD5

    2107fc71caf8a0a75f4a664305e320ad

  • SHA1

    e07bc25dc049c4d6476962ea84a509376cad6da0

  • SHA256

    a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c

  • SHA512

    3057546f7bb89ba78ebc2bb5e73e5f0828edad9cfb2c9a71259d8375319fe046b98e52debd21731ca8f7253a45120bbbf7efb4d2f8e0e18f84e33141ad568f42

  • SSDEEP

    12288:XQXik2ugDdI251hczaS3wc4CUu4SRFZ0yD2D:1k2uN+0H3TXFRFqyD2D

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe
    "C:\Users\Admin\AppData\Local\Temp\a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\AppData\Local\Temp\n2171\s2171.exe
      "C:\Users\Admin\AppData\Local\Temp\n2171\s2171.exe" 81ce6d483d6471f504655096s2izIh0VUibLCJ1cFxHUCREbLcZgLzGvnzo1DgWPHLmLqv9GFel2oLsianW0+PTyJQ3w3PHFTXbigeoQ0PyA/LDDcYbiATzGoYrmI/oPT6saRUi4hFgesGheHwzlCcoBQLJWPqVmKy4cnIu07kAq7KtowR316vveAvyY /v "C:\Users\Admin\AppData\Local\Temp\a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:552

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n2171\s2171.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • C:\Users\Admin\AppData\Local\Temp\n2171\s2171.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • \Users\Admin\AppData\Local\Temp\n2171\s2171.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • \Users\Admin\AppData\Local\Temp\n2171\s2171.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • \Users\Admin\AppData\Local\Temp\n2171\s2171.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • \Users\Admin\AppData\Local\Temp\n2171\s2171.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • memory/552-62-0x000007FEF39C0000-0x000007FEF43E3000-memory.dmp

          Filesize

          10.1MB

        • memory/552-63-0x000007FEF2920000-0x000007FEF39B6000-memory.dmp

          Filesize

          16.6MB

        • memory/552-64-0x0000000000B16000-0x0000000000B35000-memory.dmp

          Filesize

          124KB

        • memory/552-65-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

          Filesize

          8KB

        • memory/552-66-0x000007FEEDF60000-0x000007FEEEDEF000-memory.dmp

          Filesize

          14.6MB

        • memory/552-67-0x000007FEF2630000-0x000007FEF291A000-memory.dmp

          Filesize

          2.9MB

        • memory/552-68-0x0000000000B16000-0x0000000000B35000-memory.dmp

          Filesize

          124KB

        • memory/1388-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

          Filesize

          8KB