Analysis

  • max time kernel
    121s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-03-2024 10:03

General

  • Target

    b72644d7b2cdb11fa41c4b7947b7582f.exe

  • Size

    2.9MB

  • MD5

    b72644d7b2cdb11fa41c4b7947b7582f

  • SHA1

    044f1776ef4f83802afdc60780880d93f4f28ee1

  • SHA256

    a7c5656d425825b9d1e0744c94db8273c54d6515b44bfc83df5276352d9ff449

  • SHA512

    ccac064699179aaa7828895929df582046a0449d1a1c2b61c31178ab3c8d5a6d58191bfa341771161bfeb66d4dad58908690d4eab62c297b23e3e62b2ca14f30

  • SSDEEP

    49152:vQ/wFmaeCj/E24Zcyks4emAZXImb7EZw9Baj8BBT4SfcsUjoh48TyMPkXdwkyZ:vriCj/ckj3U6SHau42c1joCjMPkNwk6

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b72644d7b2cdb11fa41c4b7947b7582f.exe
    "C:\Users\Admin\AppData\Local\Temp\b72644d7b2cdb11fa41c4b7947b7582f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Users\Admin\AppData\Local\Temp\b72644d7b2cdb11fa41c4b7947b7582f.exe
      C:\Users\Admin\AppData\Local\Temp\b72644d7b2cdb11fa41c4b7947b7582f.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:1888

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\b72644d7b2cdb11fa41c4b7947b7582f.exe

    Filesize

    1.6MB

    MD5

    8510ca3b46c5fafc515fa6ecae127704

    SHA1

    6496d35c2a60467ed3c03c7e25bb175c866eaf9f

    SHA256

    8844ed41baa655de923ed3be1a501ebf2e604b83a32450c4696fbdc767765954

    SHA512

    40d7910fe482eeaed7e89550bab16a4c13b45c72cdd12c481d5a2cb266e472335ccaa34a303d45fbed36d94ba7df1b46ef201f761c2fddb845d28fbfb1e2c0bc

  • C:\Users\Admin\AppData\Local\Temp\b72644d7b2cdb11fa41c4b7947b7582f.exe

    Filesize

    1.1MB

    MD5

    9057f5a799103534321e4ddf4046300c

    SHA1

    9cbfdf9aa68da5dc8a16b6c8c8adb0f0815772b1

    SHA256

    b2e523de0ccd049ea5e809ae7d4b4cc461bb522f4854763fa73d54f519dc59b7

    SHA512

    a88918b36558e068004c52f8c0158a31f44c41398c70f04957c480e3f63843afe65cd52bf46028f020906cff18caf7b3b809f7b2c4e61f73d5c81239b5a4cea6

  • \Users\Admin\AppData\Local\Temp\b72644d7b2cdb11fa41c4b7947b7582f.exe

    Filesize

    2.2MB

    MD5

    d05b997ce06e75be28f80771c5b72ea1

    SHA1

    b2d6695c7edf0e4dc2183166646f6f2bbf133126

    SHA256

    da53bc98988e5363969b302fba99eda025e743d3a94b02234aed25ab06141907

    SHA512

    460051c4a07a51a761545ea51c78f6f80090019d7da3a1af74749e0efce1d49ede830058757196f94c920cc4e4deebbf5db04c25d35eb1ee2860bdba5e4b7972

  • memory/1888-17-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1888-16-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1888-19-0x0000000000260000-0x0000000000393000-memory.dmp

    Filesize

    1.2MB

  • memory/1888-23-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/1888-24-0x00000000034F0000-0x000000000371A000-memory.dmp

    Filesize

    2.2MB

  • memory/1888-32-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2136-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2136-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2136-15-0x00000000037F0000-0x0000000003CDF000-memory.dmp

    Filesize

    4.9MB

  • memory/2136-14-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2136-1-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2136-31-0x00000000037F0000-0x0000000003CDF000-memory.dmp

    Filesize

    4.9MB