Analysis

  • max time kernel
    135s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2023 01:00

General

  • Target

    b61d731a27cdb669aed74e29ad0f2aec901cc3d09b65f7d0dd1582d4561c6a6e.exe

  • Size

    432KB

  • MD5

    c53c8cbfa96d427d54361e39ff61a0a2

  • SHA1

    3e4a145c6d5c7662670bb4ac12ab618f745313b0

  • SHA256

    b61d731a27cdb669aed74e29ad0f2aec901cc3d09b65f7d0dd1582d4561c6a6e

  • SHA512

    4548e344bd3b8f12272b227298020444b8d39477a60132f9a374ef8a51454d71e85bb4333102b9f33e7921158fc481156ac8fdf1cb992e6dd914c7e12ffe424b

  • SSDEEP

    6144:tLgmu7gGPLWBPGfFxcS3veCuHkcX8DoHw+j00JnlUSVRGDRI:tL32zW+MnCu+oDJ+XDRI

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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b61d731a27cdb669aed74e29ad0f2aec901cc3d09b65f7d0dd1582d4561c6a6e.exe
    "C:\Users\Admin\AppData\Local\Temp\b61d731a27cdb669aed74e29ad0f2aec901cc3d09b65f7d0dd1582d4561c6a6e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 1244
      2⤵
      • Program crash
      PID:3844
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4420 -ip 4420
    1⤵
      PID:4820

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4420-134-0x0000000002300000-0x000000000233E000-memory.dmp

      Filesize

      248KB

    • memory/4420-135-0x0000000004DD0000-0x0000000005374000-memory.dmp

      Filesize

      5.6MB

    • memory/4420-137-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

      Filesize

      64KB

    • memory/4420-136-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

      Filesize

      64KB

    • memory/4420-138-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

      Filesize

      64KB

    • memory/4420-139-0x0000000007800000-0x0000000007E18000-memory.dmp

      Filesize

      6.1MB

    • memory/4420-140-0x0000000004D80000-0x0000000004D92000-memory.dmp

      Filesize

      72KB

    • memory/4420-141-0x0000000007E20000-0x0000000007F2A000-memory.dmp

      Filesize

      1.0MB

    • memory/4420-142-0x0000000007F30000-0x0000000007F6C000-memory.dmp

      Filesize

      240KB

    • memory/4420-143-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

      Filesize

      64KB

    • memory/4420-144-0x0000000008220000-0x0000000008286000-memory.dmp

      Filesize

      408KB

    • memory/4420-145-0x00000000088D0000-0x0000000008962000-memory.dmp

      Filesize

      584KB

    • memory/4420-146-0x0000000008AA0000-0x0000000008B16000-memory.dmp

      Filesize

      472KB

    • memory/4420-147-0x0000000008B80000-0x0000000008D42000-memory.dmp

      Filesize

      1.8MB

    • memory/4420-148-0x0000000008D60000-0x000000000928C000-memory.dmp

      Filesize

      5.2MB

    • memory/4420-149-0x0000000009390000-0x00000000093AE000-memory.dmp

      Filesize

      120KB

    • memory/4420-151-0x0000000000400000-0x00000000006EA000-memory.dmp

      Filesize

      2.9MB