Analysis

  • max time kernel
    62s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2022 14:27

General

  • Target

    8eccdd9cfea1de66d15d476a5210a5594eeb9e977e185cbc08222ea67039ec61.exe

  • Size

    279KB

  • MD5

    c68dccdab2d5cfa8d0d4e3ce4c090cd5

  • SHA1

    113457d241c2db680a310c6707e1ee0b67ecbf82

  • SHA256

    8eccdd9cfea1de66d15d476a5210a5594eeb9e977e185cbc08222ea67039ec61

  • SHA512

    98451338e50416e3e6e6b3982e483add0c45fc4f5a4f8257cce35452b52d8c813779b189684032cac1d3846474908e94b4cd2addf92b5ba14cf6b6195c1f926e

  • SSDEEP

    6144:REqOM7phBbVhI4Vj6KLaQi+HcCZnObnAaniJ6:R17phBbVX+Qi+HcgOpH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8eccdd9cfea1de66d15d476a5210a5594eeb9e977e185cbc08222ea67039ec61.exe
    "C:\Users\Admin\AppData\Local\Temp\8eccdd9cfea1de66d15d476a5210a5594eeb9e977e185cbc08222ea67039ec61.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" 116.202.5.121/c taskkill /im 8eccdd9cfea1de66d15d476a5210a5594eeb9e977e185cbc08222ea67039ec61.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8eccdd9cfea1de66d15d476a5210a5594eeb9e977e185cbc08222ea67039ec61.exe" & del C:\PrograData\*.dll & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4540
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im 8eccdd9cfea1de66d15d476a5210a5594eeb9e977e185cbc08222ea67039ec61.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4288
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:1408

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/916-132-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB