Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 23:09

General

  • Target

    d74f082bd073de1899cfc024dae507c8.exe

  • Size

    3.9MB

  • MD5

    d74f082bd073de1899cfc024dae507c8

  • SHA1

    331bec6ebb23e72f71bac944541ea4a88f1e9274

  • SHA256

    ea83911c451e33102203e13f28ba9750c21a4c39f81c88f2029142adc8cf3941

  • SHA512

    18094be0721c8241d0c0fd6233151bbf320d5017d1f19d9b31b9df5aa5b466b9437417ea8095324376103c85fcf6715c09874e311f5c1a1741da3ffda92203db

  • SSDEEP

    98304:r2b5+Vl2/IcakcibiqhMbMgOn7n0bcakcibiqh7xMi8S3bJ3LfUcakcibiqhMbM5:r++VlPdlirybMgOnkdlirHMDSr5Udlix

Score
7/10
upx

Malware Config

Signatures

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

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Program crash 2 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d74f082bd073de1899cfc024dae507c8.exe
    "C:\Users\Admin\AppData\Local\Temp\d74f082bd073de1899cfc024dae507c8.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4432
    • C:\Users\Admin\AppData\Local\Temp\d74f082bd073de1899cfc024dae507c8.exe
      C:\Users\Admin\AppData\Local\Temp\d74f082bd073de1899cfc024dae507c8.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3332
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\d74f082bd073de1899cfc024dae507c8.exe" /TN Zu1tk2JP99e9 /F
        3⤵
        • Creates scheduled task(s)
        PID:2336
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN Zu1tk2JP99e9 > C:\Users\Admin\AppData\Local\Temp\nz6DJmv.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3656
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN Zu1tk2JP99e9
          4⤵
            PID:3932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 604
          3⤵
          • Program crash
          PID:2044
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 652
          3⤵
          • Program crash
          PID:1748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3332 -ip 3332
      1⤵
        PID:1376
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3332 -ip 3332
        1⤵
          PID:1320

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\d74f082bd073de1899cfc024dae507c8.exe

          Filesize

          230KB

          MD5

          22ddd05a1a2584d9e054928d18b854e8

          SHA1

          e825e7bcb939e6cc948812fb3f496f75c5745e6c

          SHA256

          33f321fe9044d51f5d8fe97e600792111f1c6fcddb5c80bde8399f47d07aaa85

          SHA512

          674a7f88ebdd58219c5d488acfbceb4c6a40cfe1696856da59d5520033a62b7f4321ab77af874c99d12aae6189665c0e136370a0e6cb573329ac9a0405145a27

        • C:\Users\Admin\AppData\Local\Temp\nz6DJmv.xml

          Filesize

          1KB

          MD5

          10359181bf618d879a985da27c6589b8

          SHA1

          c607290288706c6a74bc55718c5b5b35a104416f

          SHA256

          123fc0e519b281b535b85353a0078627dc2529a1fe22cb77feb6271c6b403acb

          SHA512

          ff9075dc9159483941ed4fc8109d3c04307ccf057ce8d086eb88e7ba2a27f0859d98817b28f1d6bb87d4eb99db292cfecb091f64197568ed7de7dea8e11c3a56

        • memory/3332-15-0x0000000024030000-0x00000000240AE000-memory.dmp

          Filesize

          504KB

        • memory/3332-17-0x0000000000400000-0x000000000065C000-memory.dmp

          Filesize

          2.4MB

        • memory/3332-23-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/3332-22-0x00000000004B0000-0x000000000051B000-memory.dmp

          Filesize

          428KB

        • memory/3332-40-0x0000000000400000-0x000000000065C000-memory.dmp

          Filesize

          2.4MB

        • memory/4432-0-0x0000000000400000-0x000000000065C000-memory.dmp

          Filesize

          2.4MB

        • memory/4432-1-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4432-3-0x0000000024FF0000-0x000000002506E000-memory.dmp

          Filesize

          504KB

        • memory/4432-13-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB