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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2024, 16:45

General

  • Target

    4bf2635b6b07aa93931508f8e6700187.exe

  • Size

    1.3MB

  • MD5

    4bf2635b6b07aa93931508f8e6700187

  • SHA1

    816a84dab6b16706c794f79dc26ce5855dc1f3ab

  • SHA256

    ae3b3752370f0aea3695dc07d0bb479c59103d8bd568864873bfacca605dcf2a

  • SHA512

    33c4b29c67feb5843643f2816399314a3259f38eaaed6875058f53c392afdea423e8fae1945a221fb75ebf3c4305a743d99480ff9ef777f923623f7d2acdb700

  • SSDEEP

    24576:/WrDaqw1Y9bLPXQtnMoqWLqTtonhSAfSV2rTpoc7+xKXAWBWc:u32YxbXWMqqTto3fSqTpN+xKXjp

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 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\4bf2635b6b07aa93931508f8e6700187.exe
    "C:\Users\Admin\AppData\Local\Temp\4bf2635b6b07aa93931508f8e6700187.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\4bf2635b6b07aa93931508f8e6700187.exe
      C:\Users\Admin\AppData\Local\Temp\4bf2635b6b07aa93931508f8e6700187.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2228

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\4bf2635b6b07aa93931508f8e6700187.exe

    Filesize

    1KB

    MD5

    75cd077b20688812e60f001e971879f2

    SHA1

    1e14421b4ee9766ed5fab39641f74e6d1d62366c

    SHA256

    47e869dcf48a55d1a4b15b893938cf206dc11fea437bcebb6d7bb1810bb91c0f

    SHA512

    ef7a8ede214c9a3a664e193656889bfa61c90a3edb412cd951242c3249036f47200b3a8a4671ead956993ce4f635db814a1c2d317da25d2133159a602fdae810

  • \Users\Admin\AppData\Local\Temp\4bf2635b6b07aa93931508f8e6700187.exe

    Filesize

    32KB

    MD5

    293632acf202a4f5cd4be817abd2c12e

    SHA1

    10c9b43d88cdf3a1a325d455439275e877c4058b

    SHA256

    3990ec36169d4b88ccc5e5bac3c0fd60a9dddc0a499b2f92df4bb42e9b5331e3

    SHA512

    fc8f579df7cbcbede2577ce7439da52313f0fb6b3f479d338d119e7db2f1b2d0e4242808c5841bbc627bfbaafa00d766fb9f34317d356afd8cf0e1ce7ec2e23d

  • memory/2228-16-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2228-15-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2228-18-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2228-23-0x0000000003410000-0x000000000363A000-memory.dmp

    Filesize

    2.2MB

  • memory/2228-22-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2228-30-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2364-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2364-1-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2364-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2364-14-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB