Analysis

  • max time kernel
    137s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 04:10

General

  • Target

    0dfb3f58e38847129e415d66bb8d6d0d.exe

  • Size

    7.8MB

  • MD5

    0dfb3f58e38847129e415d66bb8d6d0d

  • SHA1

    85cc78bd0793b0b92a826bc281d70131e1c38975

  • SHA256

    c1566abc174a19e33a0db71b201da4ed9b419686f78ef317c9f40c90dde5ade2

  • SHA512

    696937b37b2993ce5eab873106e313b91943473da2120d12be92b2007c9804a5d16875c379eb9342a716e08b367ebaf1eb3d120d59bb567f32c625247a794bf6

  • SSDEEP

    196608:w3YTdlirYeeMkdlirfcGMdlirYeeMkdlir6LyYJMsfCdlirYeeMkdlirfcGMdliF:v0Be2mxB

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0dfb3f58e38847129e415d66bb8d6d0d.exe
    "C:\Users\Admin\AppData\Local\Temp\0dfb3f58e38847129e415d66bb8d6d0d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\0dfb3f58e38847129e415d66bb8d6d0d.exe
      C:\Users\Admin\AppData\Local\Temp\0dfb3f58e38847129e415d66bb8d6d0d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2992
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\0dfb3f58e38847129e415d66bb8d6d0d.exe" /TN qm2lmOfce5f6 /F
    1⤵
    • Creates scheduled task(s)
    PID:3020
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN qm2lmOfce5f6
    1⤵
      PID:2688
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c schtasks.exe /Query /XML /TN qm2lmOfce5f6 > C:\Users\Admin\AppData\Local\Temp\NRMlOzu9.xml
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\0dfb3f58e38847129e415d66bb8d6d0d.exe

      Filesize

      93KB

      MD5

      3c0b504f6089c675d60d773dc4c0b54e

      SHA1

      3f34ea610d6c41c833e77f2e2b4d4ab1c12f81cf

      SHA256

      5b8c7f08c5962589fd62bbdccb5789b7e8902addda35cd0d7687e6c8f39e26df

      SHA512

      54123336322fa52519b9194ba5f74dcfd24676a919340655ef421766821614873fdf3a2158e0608a344a0bff186e6bd4a95bc7c4c238f1f6044a60fdb07b1fc6

    • \Users\Admin\AppData\Local\Temp\0dfb3f58e38847129e415d66bb8d6d0d.exe

      Filesize

      375KB

      MD5

      440ca54cbcf577f285f948f6dc56306c

      SHA1

      6abe54416616656f6d67881345528620806de441

      SHA256

      117e1cea0395b7633351791ad908f57ed47f64f8209be352413ceac65def5c37

      SHA512

      8a20b5ca8e15476ff32d6d5d24e4d1cfd77b3410fe0ba749bcb3ae54ce6f91e1866001d17b2fb4199cab7ffd7222634dac2e3409fda47677cb61099d22c82486

    • memory/2748-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2748-2-0x0000000000230000-0x00000000002AE000-memory.dmp

      Filesize

      504KB

    • memory/2748-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2748-16-0x0000000023F70000-0x00000000241CC000-memory.dmp

      Filesize

      2.4MB

    • memory/2748-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2992-20-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2992-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2992-31-0x0000000000340000-0x00000000003AB000-memory.dmp

      Filesize

      428KB

    • memory/2992-22-0x00000000002C0000-0x000000000033E000-memory.dmp

      Filesize

      504KB

    • memory/2992-44-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB