Analysis

  • max time kernel
    118s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 13:32

General

  • Target

    SUNNY (1).exe

  • Size

    570KB

  • MD5

    bab905e6355fb5494cc78bf0c07e860e

  • SHA1

    b80b9c2e9b1456a21604d2521fe14735c578288f

  • SHA256

    e754eab189a74ac7cbd51694643beeb94a9f8ae2da1f20967dce58ac6884cfce

  • SHA512

    14cc8d341e2037c375333c619be1dc3ad8eb8cda0f7d80f3ea6e1f15786a62d4d98d436dcb67acd1f65aef8ace00c9eeeedb5770b292ac39276459fdd960c67b

  • SSDEEP

    6144:BFOCkq/GipgCdGyyCPoL/fdRoY66xK5h3ndHleysfifx9L0nrzQ7JkgxKAxMklCw:6MyC2NyYzYFndFem50nQyLfDgP

Malware Config

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe
    "C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe
      "C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe"
      2⤵
        PID:3236
      • C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe
        "C:\Users\Admin\AppData\Local\Temp\SUNNY (1).exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SUNNY (1).exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/1676-11-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/1676-19-0x0000000074C50000-0x0000000075400000-memory.dmp

      Filesize

      7.7MB

    • memory/1676-18-0x00000000068A0000-0x0000000006A62000-memory.dmp

      Filesize

      1.8MB

    • memory/1676-17-0x0000000006480000-0x00000000064D0000-memory.dmp

      Filesize

      320KB

    • memory/1676-16-0x0000000074C50000-0x0000000075400000-memory.dmp

      Filesize

      7.7MB

    • memory/1676-14-0x0000000074C50000-0x0000000075400000-memory.dmp

      Filesize

      7.7MB

    • memory/2344-5-0x0000000004F20000-0x0000000004F2A000-memory.dmp

      Filesize

      40KB

    • memory/2344-8-0x0000000074C50000-0x0000000075400000-memory.dmp

      Filesize

      7.7MB

    • memory/2344-9-0x00000000063D0000-0x0000000006432000-memory.dmp

      Filesize

      392KB

    • memory/2344-10-0x0000000009FA0000-0x000000000A03C000-memory.dmp

      Filesize

      624KB

    • memory/2344-7-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

      Filesize

      4KB

    • memory/2344-6-0x0000000005260000-0x0000000005272000-memory.dmp

      Filesize

      72KB

    • memory/2344-4-0x0000000074C50000-0x0000000075400000-memory.dmp

      Filesize

      7.7MB

    • memory/2344-15-0x0000000074C50000-0x0000000075400000-memory.dmp

      Filesize

      7.7MB

    • memory/2344-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

      Filesize

      4KB

    • memory/2344-3-0x0000000004F40000-0x0000000004FD2000-memory.dmp

      Filesize

      584KB

    • memory/2344-2-0x00000000054F0000-0x0000000005A94000-memory.dmp

      Filesize

      5.6MB

    • memory/2344-1-0x00000000005D0000-0x0000000000664000-memory.dmp

      Filesize

      592KB