Overview

overview

10

Static

static

3

1dacdc296f...38.exe

windows7-x64

10

1dacdc296f...38.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 16:37

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General

  • Target

    1dacdc296fd6ef6ba817b184cce9901901c47c01d849adfa4222bfabfed61838.exe

  • Size

    232KB

  • MD5

    60fabd1a2509b59831876d5e2aa71a6b

  • SHA1

    8b91f3c4f721cb04cc4974fc91056f397ae78faa

  • SHA256

    1dacdc296fd6ef6ba817b184cce9901901c47c01d849adfa4222bfabfed61838

  • SHA512

    3e842a7d47b32942adb936cae13293eddf1a6b860abcfe7422d0fb73098264cc95656b5c6d9980fad1bf8b5c277cd846c26acaba1bef441582caf34eb1e5295a

  • SSDEEP

    3072:BMhIBKH7j7DzQi7y5bvl4YAbdY9KWvwn7XHMzqEOf64CEEl64HBVdGXPKD:BMh5H7j5g54YZKXoxOuEEl64HZAi

Score
10/10
chimeradiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Chimera 64 IoCs

    Ransomware which infects local and network files, often distributed via Dropbox links.

    ransomwarechimera
  • Chimera Ransomware Loader DLL 1 IoCs

    Drops/unpacks executable file which resembles Chimera's Loader.dll.

    ransomware
  • Renames multiple (3248) files with added filename extension

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

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 27 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.

  • Drops file in Program Files directory 64 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.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 40 IoCs
    adwarespyware
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1dacdc296fd6ef6ba817b184cce9901901c47c01d849adfa4222bfabfed61838.exe
    "C:\Users\Admin\AppData\Local\Temp\1dacdc296fd6ef6ba817b184cce9901901c47c01d849adfa4222bfabfed61838.exe"
    1⤵
    • Chimera
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -k "C:\Users\Admin\Downloads\YOUR_FILES_ARE_ENCRYPTED.HTML"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1292 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4904

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Java\jdk-1.8\jre\lib\YOUR_FILES_ARE_ENCRYPTED.HTML
          Filesize

          4KB

          MD5

          0ce5bcbdee1797e8383c4df61297e37f

          SHA1

          55ab6a3e47349de2db6a9b63d128fea4b6c3ce52

          SHA256

          44eeed2ba5e074eedd1869b8ff8bb70e13831e24d27322600b5410efb6f1af17

          SHA512

          b3592a48972c2372c15f3863b3b5409488626d966d89158c1691b99c7e120cf3d882a0f015d77e73046ab4df7611bf10fc4eadf93806b5311bf1bd30bfe14a1d

          Download Submit

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZVPQNGKM\suggestions[1].en-US
          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          Download Submit

        • memory/2548-0-0x0000000075282000-0x0000000075283000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2548-1-0x0000000075280000-0x0000000075831000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/2548-2-0x0000000075280000-0x0000000075831000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/2548-3-0x0000000010000000-0x0000000010010000-memory.dmp

          Filesize

          64KB

          Download

        • memory/2548-8-0x0000000075280000-0x0000000075831000-memory.dmp

          Filesize

          5.7MB

          Download

        • memory/2548-9-0x0000000005820000-0x000000000583A000-memory.dmp

          Filesize

          104KB

          Download

        • memory/2548-715-0x0000000075282000-0x0000000075283000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2548-716-0x0000000075280000-0x0000000075831000-memory.dmp

          Filesize

          5.7MB

          Download