Analysis

  • max time kernel
    187s
  • max time network
    260s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    29/10/2023, 22:22

General

  • Target

    8d58024006a6c3503ba5af8f92dbdfd9178e27082491717ca1a2bdc35cf81b02.exe

  • Size

    167KB

  • MD5

    a666eac4d7ffb6c00bbc79b627e1c660

  • SHA1

    ddfd94e60bdbf9a4a08e50a2a0a77e4d8d7c8fdf

  • SHA256

    8d58024006a6c3503ba5af8f92dbdfd9178e27082491717ca1a2bdc35cf81b02

  • SHA512

    ed1fec4f3d268c2255fd76e59fc610da4fc04977da466ffd271dde466e49d263b1cd16af9663484cfdaf8c81092be51004d1fdee9ddc9eff5b5c35178bc15525

  • SSDEEP

    3072:i4BNWDTQpQFduAuphybdpku3HWSXX+2JSb9pYDsqndUyDxajquSc:v64QFdNuphMTku3HR+2O9pY4oHo

Malware Config

Signatures

  • Downloads MZ/PE file
  • 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 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).

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d58024006a6c3503ba5af8f92dbdfd9178e27082491717ca1a2bdc35cf81b02.exe
    "C:\Users\Admin\AppData\Local\Temp\8d58024006a6c3503ba5af8f92dbdfd9178e27082491717ca1a2bdc35cf81b02.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8d58024006a6c3503ba5af8f92dbdfd9178e27082491717ca1a2bdc35cf81b02.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:3348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Are.docx

    Filesize

    11KB

    MD5

    a33e5b189842c5867f46566bdbf7a095

    SHA1

    e1c06359f6a76da90d19e8fd95e79c832edb3196

    SHA256

    5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

    SHA512

    f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \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/824-1-0x0000000000980000-0x0000000000A80000-memory.dmp

    Filesize

    1024KB

  • memory/824-2-0x0000000000900000-0x000000000091B000-memory.dmp

    Filesize

    108KB

  • memory/824-3-0x0000000000400000-0x00000000007B3000-memory.dmp

    Filesize

    3.7MB

  • memory/824-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/824-61-0x0000000000980000-0x0000000000A80000-memory.dmp

    Filesize

    1024KB

  • memory/824-67-0x0000000000900000-0x000000000091B000-memory.dmp

    Filesize

    108KB

  • memory/824-66-0x0000000000400000-0x00000000007B3000-memory.dmp

    Filesize

    3.7MB

  • memory/824-76-0x0000000000400000-0x00000000007B3000-memory.dmp

    Filesize

    3.7MB