Overview

overview

10

Static

static

3

d7ba988134...c3.exe

windows7-x64

10

d7ba988134...c3.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 02:11

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General

  • Target

    d7ba9881345d71862a68080d210643e2c2d3e17fd13065385edcd3b3391898c3.exe

  • Size

    905KB

  • MD5

    f6e5f0ed974c89e2b4a47989fc987c79

  • SHA1

    1906b34b2b7b30abeea67cf5bd1bd895624d2702

  • SHA256

    d7ba9881345d71862a68080d210643e2c2d3e17fd13065385edcd3b3391898c3

  • SHA512

    f16de7dba20b7443b4c19bed4ed9e8ae82bda2b4b352cbac0aeddc26b18a583ccf8d6d8177fc061f69ea8789a2f224cafef3e01f670aa734695d2a31fc496275

  • SSDEEP

    6144:/I99bj5oxq4BhArStlw0vRK/NMMmJZ/76jOMFMJnUm5cOgdVzOTeE:7IStlw0vRK/6h/7tJnLhgXXE

Score
10/10
rhysidacredential_accessdiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Detects Rhysida ransom note 1 IoCs
  • Rhysida

    Rhysida is a ransomware that is written in C++ and discovered in 2023.

    ransomwarerhysida
  • Renames multiple (8183) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7ba9881345d71862a68080d210643e2c2d3e17fd13065385edcd3b3391898c3.exe
    "C:\Users\Admin\AppData\Local\Temp\d7ba9881345d71862a68080d210643e2c2d3e17fd13065385edcd3b3391898c3.exe"
    1⤵
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cmd.exe /c start ping 127.0.0.1 -n 2 > nul && del /f /q "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\d7ba9881345d71862a68080d210643e2c2d3e17fd13065385edcd3b3391898c3.exe"
      2⤵
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Windows\system32\cmd.exe
        cmd.exe /c start ping 127.0.0.1 -n 2
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2820
        • C:\Windows\system32\PING.EXE
          ping 127.0.0.1 -n 2
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\CriticalBreachDetected.pdf
    Filesize

    111KB

    MD5

    1a89f87fe9f32b46bee6600ff2053647

    SHA1

    a215d017a30f0f41116dbebe6b13e4d144962408

    SHA256

    71c8257174b75afb74598a130a806d5272e551ed9f556dbc4dc8e31f83883293

    SHA512

    f53b63d0ca57ac8180468ee747da727fb478e1ca7761cfa7c54ef4046bc393baf7a1a268c4870b972cc2858970b33f401ad979375d274a7b3ed4c1ab271e784e

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  • memory/2384-7390-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

    Download

  • memory/2384-10419-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

    Download

  • memory/2384-10420-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

    Download

  • memory/2384-10421-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

    Download