Analysis

  • max time kernel
    151s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 05:05

General

  • Target

    53ee1582c84b70371a35ff0850521050db0127391218ade6e398c4c72c4ad875.exe

  • Size

    96KB

  • MD5

    25485b5c193c4445302ca3a951f6e1d0

  • SHA1

    1922e83e558a2200a98b1779d0776370d3a14f45

  • SHA256

    53ee1582c84b70371a35ff0850521050db0127391218ade6e398c4c72c4ad875

  • SHA512

    f86fef76bdedc835e4a1173b3aa3f97265750f856d39806d110c4076627514ecf4a3793cce036fadb7b3e9134933443cb304b932898deaee3359ae09e6f98b84

  • SSDEEP

    1536:8V6/l1TwNq9tAna04OLQ+0DAjS9vnvCFTXob1Uai3LWyvojQKAdTspU:n/Hgq9UjS9vKFzCihLWywjQKA9OU

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53ee1582c84b70371a35ff0850521050db0127391218ade6e398c4c72c4ad875.exe
    "C:\Users\Admin\AppData\Local\Temp\53ee1582c84b70371a35ff0850521050db0127391218ade6e398c4c72c4ad875.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Users\Admin\AppData\Local\Temp\53ee1582c84b70371a35ff0850521050db0127391218ade6e398c4c72c4ad875.exe
      74
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Loads dropped DLL
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Users\Admin\bimup.exe
        "C:\Users\Admin\bimup.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1716
        • C:\Users\Admin\bimup.exe
          74
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1004

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\bimup.exe

    Filesize

    96KB

    MD5

    25485b5c193c4445302ca3a951f6e1d0

    SHA1

    1922e83e558a2200a98b1779d0776370d3a14f45

    SHA256

    53ee1582c84b70371a35ff0850521050db0127391218ade6e398c4c72c4ad875

    SHA512

    f86fef76bdedc835e4a1173b3aa3f97265750f856d39806d110c4076627514ecf4a3793cce036fadb7b3e9134933443cb304b932898deaee3359ae09e6f98b84

  • C:\Users\Admin\bimup.exe

    Filesize

    96KB

    MD5

    25485b5c193c4445302ca3a951f6e1d0

    SHA1

    1922e83e558a2200a98b1779d0776370d3a14f45

    SHA256

    53ee1582c84b70371a35ff0850521050db0127391218ade6e398c4c72c4ad875

    SHA512

    f86fef76bdedc835e4a1173b3aa3f97265750f856d39806d110c4076627514ecf4a3793cce036fadb7b3e9134933443cb304b932898deaee3359ae09e6f98b84

  • C:\Users\Admin\bimup.exe

    Filesize

    96KB

    MD5

    25485b5c193c4445302ca3a951f6e1d0

    SHA1

    1922e83e558a2200a98b1779d0776370d3a14f45

    SHA256

    53ee1582c84b70371a35ff0850521050db0127391218ade6e398c4c72c4ad875

    SHA512

    f86fef76bdedc835e4a1173b3aa3f97265750f856d39806d110c4076627514ecf4a3793cce036fadb7b3e9134933443cb304b932898deaee3359ae09e6f98b84

  • \Users\Admin\bimup.exe

    Filesize

    96KB

    MD5

    25485b5c193c4445302ca3a951f6e1d0

    SHA1

    1922e83e558a2200a98b1779d0776370d3a14f45

    SHA256

    53ee1582c84b70371a35ff0850521050db0127391218ade6e398c4c72c4ad875

    SHA512

    f86fef76bdedc835e4a1173b3aa3f97265750f856d39806d110c4076627514ecf4a3793cce036fadb7b3e9134933443cb304b932898deaee3359ae09e6f98b84

  • \Users\Admin\bimup.exe

    Filesize

    96KB

    MD5

    25485b5c193c4445302ca3a951f6e1d0

    SHA1

    1922e83e558a2200a98b1779d0776370d3a14f45

    SHA256

    53ee1582c84b70371a35ff0850521050db0127391218ade6e398c4c72c4ad875

    SHA512

    f86fef76bdedc835e4a1173b3aa3f97265750f856d39806d110c4076627514ecf4a3793cce036fadb7b3e9134933443cb304b932898deaee3359ae09e6f98b84

  • memory/1004-81-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1004-78-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1932-56-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1932-63-0x00000000756A1000-0x00000000756A3000-memory.dmp

    Filesize

    8KB

  • memory/1932-62-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1932-59-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1932-80-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB