Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/03/2024, 18:00

General

  • Target

    b550c3071b37029a0e3a01f7a6c49af5.exe

  • Size

    2.6MB

  • MD5

    b550c3071b37029a0e3a01f7a6c49af5

  • SHA1

    5216b7af5bd151ea2973b4ddf5d32b2b95059a8a

  • SHA256

    2edb65226ad91ca338385e38e6e1983bfc18925492af663eb4d6b974e2131b3c

  • SHA512

    ca897d2d460d24843262b9ca4f1d736adb0510fbb525600cbb9d2b48b7cbb04ad3000ed5271daf867c495a0beb86f72a4a926775f8f23ee8a573a3620cb45366

  • SSDEEP

    49152:KplP9O0+N2OClu9Lgbo0iACwXXuJeFKQuFB9ay3:KEv2yS4cO7x3

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b550c3071b37029a0e3a01f7a6c49af5.exe
    "C:\Users\Admin\AppData\Local\Temp\b550c3071b37029a0e3a01f7a6c49af5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\b550c3071b37029a0e3a01f7a6c49af5.exe
      C:\Users\Admin\AppData\Local\Temp\b550c3071b37029a0e3a01f7a6c49af5.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\b550c3071b37029a0e3a01f7a6c49af5.exe

    Filesize

    2.6MB

    MD5

    392c848404acc5875dbaeb04eeff9b8d

    SHA1

    3597736fb9668ecc042a31f043e6256ec898b606

    SHA256

    72db08cfc75a15dc433af690c3436a90ff44e11d3452d2ae83eab01edd39c893

    SHA512

    da0dab78989776650f6066cd4903344fcdd632cc76a7060800dcd4d38a1f59c2d68eed5441d0b996ebc37f2419f9d1657f38fdf3daf17e0e590ff87b97c3684a

  • memory/2180-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2180-1-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2180-2-0x0000000002260000-0x00000000024BA000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-15-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2180-16-0x0000000003B60000-0x00000000044FE000-memory.dmp

    Filesize

    9.6MB

  • memory/2180-43-0x0000000003B60000-0x00000000044FE000-memory.dmp

    Filesize

    9.6MB

  • memory/3012-19-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3012-21-0x0000000001FA0000-0x00000000021FA000-memory.dmp

    Filesize

    2.4MB

  • memory/3012-44-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB