Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04/01/2024, 11:55

General

  • Target

    40cb4cecad3e64f0f099d4dc888534b1.exe

  • Size

    2.9MB

  • MD5

    40cb4cecad3e64f0f099d4dc888534b1

  • SHA1

    7ffa75834dbb6447d8c4d58c7a1cae578e486ba7

  • SHA256

    bc0f4bd0bdd8148776e96d369e12436ce4b8828a3bb60c3b9eb082ba662c19bd

  • SHA512

    ed7d4106e5098d1ceb6478e61d30506791e6ae5c4fdc2acd22ee63bad2d834d10f5a339a4713d8a6f27eee73c9d194977780ce26911b155cb1d6b264730fe2c6

  • SSDEEP

    49152:fRHeTQKP6bSKBNbk1jErYc2WzryMhpxQqbrsI8OFP4M338dB2IBlGuuDVUsdxxjl:ftmP65BNCjEkc/z2tVPOFgg3gnl/IVU8

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 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\40cb4cecad3e64f0f099d4dc888534b1.exe
    "C:\Users\Admin\AppData\Local\Temp\40cb4cecad3e64f0f099d4dc888534b1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1016
    • C:\Users\Admin\AppData\Local\Temp\40cb4cecad3e64f0f099d4dc888534b1.exe
      C:\Users\Admin\AppData\Local\Temp\40cb4cecad3e64f0f099d4dc888534b1.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2644

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\40cb4cecad3e64f0f099d4dc888534b1.exe

    Filesize

    1.5MB

    MD5

    e4cd6a19625ff68d3ef43463b11d45d8

    SHA1

    3bc055eb3eccaca33790f542c3b4375d6c6929d5

    SHA256

    01cc766ca75999e03eb8c8fb0bb971272dbef2b646e940f6f7edc0bbdbc80b38

    SHA512

    5519b6f4d09a17cea9fe03692c8f52e29f09649c7ecdd758bb1ee948a9691ccc63238cfb61bc6cea32e0e26e444d1b7f37b0adfa011d38eb9ab4e70f7e94d737

  • \Users\Admin\AppData\Local\Temp\40cb4cecad3e64f0f099d4dc888534b1.exe

    Filesize

    400KB

    MD5

    fdcf1d360e21d349eec7f0e56f7ef0d4

    SHA1

    45a09c7002b77a78855cd9b1c363fb7a2cd1e4a7

    SHA256

    9cffaabd043115bc9944070489d53720d28dba5694ccf1e48fb081c2e0aec81e

    SHA512

    ee7c4b0cdb3503512c1549b283811db7a3228132cc289f278a21613f43553e87cd817920ecc483ba9b3a828f098d66f8a0266fb5efb766f33954ca5d88f82166

  • memory/1016-3-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/1016-1-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1016-15-0x00000000037F0000-0x0000000003CDF000-memory.dmp

    Filesize

    4.9MB

  • memory/1016-16-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1016-0-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2644-17-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2644-19-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2644-18-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2644-26-0x0000000003410000-0x000000000363A000-memory.dmp

    Filesize

    2.2MB

  • memory/2644-24-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2644-32-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB