Analysis

  • max time kernel
    112s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2023 10:46

General

  • Target

    edcef5c438b6dcc5577fddda5ed4d3a8.exe

  • Size

    416KB

  • MD5

    edcef5c438b6dcc5577fddda5ed4d3a8

  • SHA1

    fe528c9c99f71b5b57135e78e75930709adb00c0

  • SHA256

    932e06ef373d93ea1cde5e4fef13d321e5ce8b3b707be937e87264fb64c3a545

  • SHA512

    752c18bfabe0ce1f5332c3ad09c796acf506315fe857699fde0ee55d3de042339ba7bebed99f51d588a1711d7baea954540681d8a9d2f45fd58ec78ff9cffcaa

  • SSDEEP

    12288:yuOPg6ULiv3/tptEjL6EPybrhc9CJb7d5:RUgBLm3VptEvnj9qb7d5

Malware Config

Signatures

  • 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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\edcef5c438b6dcc5577fddda5ed4d3a8.exe
    "C:\Users\Admin\AppData\Local\Temp\edcef5c438b6dcc5577fddda5ed4d3a8.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 1264
      2⤵
      • Program crash
      PID:1516
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4460 -ip 4460
    1⤵
      PID:2628

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4460-132-0x000000000061D000-0x000000000064C000-memory.dmp
      Filesize

      188KB

    • memory/4460-133-0x0000000002200000-0x000000000224B000-memory.dmp
      Filesize

      300KB

    • memory/4460-134-0x0000000000400000-0x0000000000483000-memory.dmp
      Filesize

      524KB

    • memory/4460-135-0x0000000004C10000-0x00000000051B4000-memory.dmp
      Filesize

      5.6MB

    • memory/4460-136-0x00000000051C0000-0x00000000057D8000-memory.dmp
      Filesize

      6.1MB

    • memory/4460-137-0x0000000005860000-0x000000000596A000-memory.dmp
      Filesize

      1.0MB

    • memory/4460-138-0x00000000059A0000-0x00000000059B2000-memory.dmp
      Filesize

      72KB

    • memory/4460-139-0x00000000059C0000-0x00000000059FC000-memory.dmp
      Filesize

      240KB

    • memory/4460-140-0x0000000005CB0000-0x0000000005D42000-memory.dmp
      Filesize

      584KB

    • memory/4460-141-0x0000000005D50000-0x0000000005DB6000-memory.dmp
      Filesize

      408KB

    • memory/4460-142-0x00000000067E0000-0x0000000006856000-memory.dmp
      Filesize

      472KB

    • memory/4460-143-0x0000000006870000-0x00000000068C0000-memory.dmp
      Filesize

      320KB

    • memory/4460-144-0x000000000061D000-0x000000000064C000-memory.dmp
      Filesize

      188KB

    • memory/4460-145-0x00000000068D0000-0x0000000006A92000-memory.dmp
      Filesize

      1.8MB

    • memory/4460-146-0x0000000006AA0000-0x0000000006FCC000-memory.dmp
      Filesize

      5.2MB

    • memory/4460-147-0x000000000061D000-0x000000000064C000-memory.dmp
      Filesize

      188KB

    • memory/4460-148-0x0000000000400000-0x0000000000483000-memory.dmp
      Filesize

      524KB