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Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/01/2025, 03:41

General

  • Target

    HawkEye.exe

  • Size

    232KB

  • MD5

    60fabd1a2509b59831876d5e2aa71a6b

  • SHA1

    8b91f3c4f721cb04cc4974fc91056f397ae78faa

  • SHA256

    1dacdc296fd6ef6ba817b184cce9901901c47c01d849adfa4222bfabfed61838

  • SHA512

    3e842a7d47b32942adb936cae13293eddf1a6b860abcfe7422d0fb73098264cc95656b5c6d9980fad1bf8b5c277cd846c26acaba1bef441582caf34eb1e5295a

  • SSDEEP

    3072:BMhIBKH7j7DzQi7y5bvl4YAbdY9KWvwn7XHMzqEOf64CEEl64HBVdGXPKD:BMh5H7j5g54YZKXoxOuEEl64HZAi

Malware Config

Signatures

  • Chimera 64 IoCs

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

  • Chimera Ransomware Loader DLL 1 IoCs

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

  • Chimera family
  • Renames multiple (3261) files with added filename extension

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

  • Reads user/profile data of web browsers 3 TTPs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 40 IoCs
  • 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\HawkEye.exe
    "C:\Users\Admin\AppData\Local\Temp\HawkEye.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:4612
    • 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:400
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:400 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1492

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

    e9185f641a9dd0efe19a113da4f2dbed

    SHA1

    a0a17fe2714b2e92c5bc20b0ec205a1638451ff2

    SHA256

    93a0085c05942ed37f6edfd0c4f3cf41699ed3f4e3e6e5f9b319414f7ee8752f

    SHA512

    6f6db9b0dd271cc96a4dd669665edc9fbc5967011be74d1f7ea53910386a339a62177b2e7e0bce401158aaad3d474ea4e0190a583adf0d2be9e5891430ecf56b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    05a55aacc33432fec9fea490f5c69442

    SHA1

    bd2dd697d6e49290ff51f6f8e2db9bde87e72860

    SHA256

    65d742646568766a452eafac7bd80d140b7acfcedb5cd55923fbcc0f3cd2fa43

    SHA512

    91aa6dc1cb9632f1b9fec82da928a3e49d5531298e264228eba79ae38d530377a78af5f0beef9763d7d624acbdbe93bfffff4caf5b8dc29fa4d9b8d01514e5a5

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    268ec90ef8842f99298862edf2fdb2c6

    SHA1

    db14707fcbaa6538d206695a36eeee1b97c3ea7f

    SHA256

    892674df21c62ddb7f6454695d6ab124fa02d3ace035a42dc21870764c988b84

    SHA512

    d4b361c09703f8ff7dda6871325b6aa3b1a82346cb446c40e7b29be82007c42d820bc26b65cc7a81c35e301730523339fb46b1542081a852c15ef254b6768fc3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/4612-0-0x0000000074A32000-0x0000000074A33000-memory.dmp

    Filesize

    4KB

  • memory/4612-1-0x0000000074A30000-0x0000000074FE1000-memory.dmp

    Filesize

    5.7MB

  • memory/4612-2-0x0000000074A30000-0x0000000074FE1000-memory.dmp

    Filesize

    5.7MB

  • memory/4612-3-0x0000000010000000-0x0000000010010000-memory.dmp

    Filesize

    64KB

  • memory/4612-8-0x0000000074A30000-0x0000000074FE1000-memory.dmp

    Filesize

    5.7MB

  • memory/4612-9-0x00000000055B0000-0x00000000055CA000-memory.dmp

    Filesize

    104KB

  • memory/4612-609-0x0000000074A30000-0x0000000074FE1000-memory.dmp

    Filesize

    5.7MB

  • memory/4612-608-0x0000000074A32000-0x0000000074A33000-memory.dmp

    Filesize

    4KB