Analysis

  • max time kernel
    42s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-09-2022 16:51

General

  • Target

    p9d2s.exe

  • Size

    279KB

  • MD5

    c8d1c103b214703e696023614b075c9d

  • SHA1

    06b5727434705f87a7cdfc7f5612630c4f3f06c2

  • SHA256

    f84038a5c35557bb57839423dcab27287ac5ab490fca503f496df61da5e2bc99

  • SHA512

    edcd3fb473a6316fec8568266f92b6c5ff0350ca401147669c5f92a0f0a28496ac371eb382fd8034e7e39ded2a61648fe222908a5c70d189675bee125dd0b10b

  • SSDEEP

    6144:Ekjaba2rnQPW2I4YCKMQ0iaOVCZgm0yAjn:E42rnQPW+60iaOVnmE

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\p9d2s.exe
    "C:\Users\Admin\AppData\Local\Temp\p9d2s.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" J.198.89.6/c taskkill /im p9d2s.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\p9d2s.exe" & del C:\PrograData\*.dll & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1836
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im p9d2s.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:544
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/544-76-0x0000000000000000-mapping.dmp

  • memory/688-77-0x0000000000000000-mapping.dmp

  • memory/1836-75-0x0000000000000000-mapping.dmp

  • memory/1948-54-0x0000000075F51000-0x0000000075F53000-memory.dmp

    Filesize

    8KB

  • memory/1948-55-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB