Analysis

  • max time kernel
    140s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2024 01:51

General

  • Target

    9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe

  • Size

    46KB

  • MD5

    1d94b9a477d019a4bfd3c388304e62ad

  • SHA1

    7c86b4e3a4d24e01ecb13c67fc2097225882f0e5

  • SHA256

    9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616

  • SHA512

    90906a69622e95b4e4c975905488a4f73bce969cd555fe401e625e29d461c897a76114a0a2e58339c60de27b58c0aacf5e99aefb182722c48ed13ae66b7b0cda

  • SSDEEP

    768:keLI9Sqhu9+8tuGKXGRRkwbRlgcXQVQWjSs1tZ8pdNmLUrcrsANsdM5T233U8:NLI4qg9+Q/KMJqSsGpdNmLUIsWsdM5Tq

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe
    "C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9C658D~1.EXE > nul
      2⤵
      • Deletes itself
      PID:1448
  • C:\Windows\Debug\evdhost.exe
    C:\Windows\Debug\evdhost.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    PID:1840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\evdhost.exe

    Filesize

    46KB

    MD5

    b86e4f5991c54837a94e797d8baf42df

    SHA1

    11a148059b0899ea423a9452dbc55e75cdf37c4c

    SHA256

    b89a9d8dc5c408bd725bd34e979c8d94e5dd20712e22db07396199dee6f706b8

    SHA512

    cf65ca266aefd5058ba9bb879f05309eee744d939af40f23fa51b1ec71ef1b4024d84cd9a9330a99db897fb0dd71789dbedd736c6b66710bbb69affbd6040ba9

  • memory/1840-11-0x0000000010000000-0x000000001000E000-memory.dmp

    Filesize

    56KB

  • memory/1840-12-0x0000000010000000-0x000000001000E000-memory.dmp

    Filesize

    56KB

  • memory/1840-14-0x0000000010000000-0x000000001000E000-memory.dmp

    Filesize

    56KB

  • memory/1840-16-0x0000000010000000-0x000000001000E000-memory.dmp

    Filesize

    56KB

  • memory/1840-17-0x0000000010000000-0x000000001000E000-memory.dmp

    Filesize

    56KB

  • memory/1840-19-0x0000000010000000-0x000000001000E000-memory.dmp

    Filesize

    56KB

  • memory/1840-21-0x0000000010000000-0x000000001000E000-memory.dmp

    Filesize

    56KB

  • memory/2176-0-0x0000000010000000-0x000000001000E000-memory.dmp

    Filesize

    56KB

  • memory/2176-5-0x0000000010000000-0x000000001000E000-memory.dmp

    Filesize

    56KB