Resubmissions

24-04-2024 14:37

240424-ry6f3abf54 10

24-04-2024 14:33

240424-rw92gabf8s 10

Analysis

  • max time kernel
    69s
  • max time network
    71s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24-04-2024 14:37

Errors

Reason
Machine shutdown: "{\"level\":\"info\",\"time\":\"2024-04-24T14:38:29Z\",\"message\":\"Dirty snapshot: /var/lib/sandbox/hatchvm/win11-20240412-en/instance_0-dirty.qcow2\"}"

General

  • Target

    3771c6b371d8e1ca4aebee40614aa138246e74b60d6526b425c79438f3ff0fed.exe

  • Size

    306KB

  • MD5

    a3aac374d10b679af8d09cd2ac974678

  • SHA1

    86d86cafd09b2aba75ce190034b6cf26a32cc44b

  • SHA256

    3771c6b371d8e1ca4aebee40614aa138246e74b60d6526b425c79438f3ff0fed

  • SHA512

    b4afd7bd9d49b7378bc76fc61c905a891dfb94874bc6699fbbdccaadd71c0618a165b5b4dd2d8968b220a740e6832bfc23d12322aeb417497130ac73acfa1161

  • SSDEEP

    6144:/qY6irwP7YfmrYiJv7TAPAzdcZqf7DI/L:/nwPkiJvGAzdcUzs/

Malware Config

Extracted

Family

redline

Botnet

spoo

C2

103.113.70.99:2630

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 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).

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3771c6b371d8e1ca4aebee40614aa138246e74b60d6526b425c79438f3ff0fed.exe
    "C:\Users\Admin\AppData\Local\Temp\3771c6b371d8e1ca4aebee40614aa138246e74b60d6526b425c79438f3ff0fed.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1900
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2204
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa3a1a055 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:1416

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Subvert Trust Controls

    1
    T1553

    Install Root Certificate

    1
    T1553.004

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Tmp47F6.tmp
      Filesize

      2KB

      MD5

      1420d30f964eac2c85b2ccfe968eebce

      SHA1

      bdf9a6876578a3e38079c4f8cf5d6c79687ad750

      SHA256

      f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

      SHA512

      6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

    • memory/1900-21-0x00000000062E0000-0x00000000062FE000-memory.dmp
      Filesize

      120KB

    • memory/1900-3-0x0000000004E80000-0x0000000004F12000-memory.dmp
      Filesize

      584KB

    • memory/1900-25-0x0000000006570000-0x000000000667A000-memory.dmp
      Filesize

      1.0MB

    • memory/1900-26-0x00000000064B0000-0x00000000064C2000-memory.dmp
      Filesize

      72KB

    • memory/1900-5-0x0000000004F30000-0x0000000004F3A000-memory.dmp
      Filesize

      40KB

    • memory/1900-0-0x0000000000370000-0x00000000003C2000-memory.dmp
      Filesize

      328KB

    • memory/1900-20-0x00000000059A0000-0x0000000005A16000-memory.dmp
      Filesize

      472KB

    • memory/1900-1-0x0000000075200000-0x00000000759B1000-memory.dmp
      Filesize

      7.7MB

    • memory/1900-36-0x0000000075200000-0x00000000759B1000-memory.dmp
      Filesize

      7.7MB

    • memory/1900-2-0x0000000005370000-0x0000000005916000-memory.dmp
      Filesize

      5.6MB

    • memory/1900-4-0x0000000005030000-0x0000000005040000-memory.dmp
      Filesize

      64KB

    • memory/1900-27-0x0000000006510000-0x000000000654C000-memory.dmp
      Filesize

      240KB

    • memory/1900-28-0x0000000006680000-0x00000000066CC000-memory.dmp
      Filesize

      304KB

    • memory/1900-29-0x00000000067D0000-0x0000000006836000-memory.dmp
      Filesize

      408KB

    • memory/1900-32-0x0000000007310000-0x00000000074D2000-memory.dmp
      Filesize

      1.8MB

    • memory/1900-33-0x0000000007A10000-0x0000000007F3C000-memory.dmp
      Filesize

      5.2MB

    • memory/1900-34-0x0000000007930000-0x0000000007980000-memory.dmp
      Filesize

      320KB

    • memory/1900-24-0x0000000006A20000-0x0000000007038000-memory.dmp
      Filesize

      6.1MB