Analysis

  • max time kernel
    151s
  • max time network
    70s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    24-02-2023 01:25

General

  • Target

    7d80230df68ccba871815d68f016c282.exe

  • Size

    261KB

  • MD5

    7d80230df68ccba871815d68f016c282

  • SHA1

    e10874c6108a26ceedfc84f50881824462b5b6b6

  • SHA256

    f4234a501edcd30d3bc15c983692c9450383b73bdd310059405c5e3a43cc730b

  • SHA512

    64d02b3e7ed82a64aaac1f74c34d6b6e6feaac665ca9c08911b93eddcec66595687024ec576e74ea09a1193ace3923969c75de8733859835fef45335cf265540

  • SSDEEP

    3072:vDKW1LgppLRHMY0TBfJvjcTp5XxG8pt+oSOpE22obq+NYgvPuCEbMBWJxLRiUgV:vDKW1Lgbdl0TBBvjc/M8n35nYgvKjdzi

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\DECRYPT_YOUR_FILES.HTML

Ransom Note
<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>DGypWIQlthy5LgE7KVreE89IIw4RBteqGVt9klcEF6yW+nvWX+QE+RfCcxbmO9IAQPNffsU4Jd8UT13YQoY49Dps9dY3rWcQCgouNfmsWBf467hP6dEdyjajCoZj9XReEpFSNXrBjLEOTwiUcIE7P02DC28xt2Y1O/dwpzDwnpPm1PVPYba6oKDZ8qDpZDbonIJxX6G6PnV2HAPpzeHgHumntsGqOUByRz94RsPRKdkowJ2+lLMTUtQjRQN6s/WTFf+ObXqpS3G5G1c4U+mW/ZTdVCROdj/FsMlBimxNHdfR07JioXsCosBbn2feDp99H0xY0kc5DYWTuTvP0x+EhA==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Signatures

  • Fantom

    Ransomware which hides encryption process behind fake Windows Update screen.

  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d80230df68ccba871815d68f016c282.exe
    "C:\Users\Admin\AppData\Local\Temp\7d80230df68ccba871815d68f016c282.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe"
      2⤵
      • Executes dropped EXE
      PID:952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\DECRYPT_YOUR_FILES.HTML

    Filesize

    1KB

    MD5

    cc7937abc1a42598c808877e4fd5a716

    SHA1

    66ed937685dc9e975550374ac74afc7d633ff8a1

    SHA256

    e97f2984d1f955344e2c87624a40fde48eeba537553359e342ed107549611b27

    SHA512

    2c792b44e726a5335d9b35f469f5618b9166e6b82ac343ba69ccf0bc8372b66f9383333b3f1cdce4b0708249b95173cb43ec457ad0b82f5ef6a6959af76c72bb

  • C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif

    Filesize

    160B

    MD5

    e7a9e2d8d7da604d5daa35746af327b2

    SHA1

    4b3827c2c6c9c6bf1316b522b13e25ece88a0cde

    SHA256

    b4f512f17702e35c77b7664893aaf8fb38e09e43914b8789fbde5cefafa9f14f

    SHA512

    10e45de8e51e93cca26dba51b341ddcb4cd08527b439e24477a7104beef622cc859a7fe3701826d3a3c534331c00e71061058f02fe74c9028a30e5783ef0fbae

  • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\epl-v10.html

    Filesize

    12KB

    MD5

    ed9c531ca7980003ae7c3cde626e9509

    SHA1

    cc92df08a28c87325d89dbfe949f080159826abc

    SHA256

    0c9b06108243bc2e9addc1923b34ce5c4ab1d38f78856c67b9d77aaca93be3f8

    SHA512

    7cd957bfcf3ce62e7b2d255bfdb590d03fff17db010bb66c5a5f7d62345f1d06aa1460844446818eace81bd923587ae3afbbef4da0ac6bd9fb82cd6e8a8f3ac1

  • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\license.html

    Filesize

    8KB

    MD5

    e7c3f0971535e4444d38d317beadb18e

    SHA1

    49f55ea842a82cbd4f89d6762855b8b128a2bb0f

    SHA256

    6ecfd3c641815b9369acad7b120ff3c1d552234b4e8e9693232798ed33dd75a8

    SHA512

    97d0cbee62a2a7b5c7d9e29d46b6610959eb11fb0a1eae6bec2c72bbe6f4cb2b8132d0b6b8afe03cfc379fb7e479aac90b584a7234363c74080785acfa26ac5b

  • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\asl-v20.txt

    Filesize

    11KB

    MD5

    9b6bbb478e50eba68a731f1d45988411

    SHA1

    d5c51007de0b6409b20c08f59f9f865a5d5c2c0b

    SHA256

    35d65257ba6e72da057c845043a51520b65395c017566a3690c32dc9510e49f2

    SHA512

    9d727a5a600cc2beba72c2fee6d52d5ee225f4dadb4b891066fdf9733459888d715769c18dc67db4bb72ca3b721ea2cc30ed565cfbb0891238ec872441e79e6b

  • C:\Program Files\Java\jre7\THIRDPARTYLICENSEREADME-JAVAFX.txt

    Filesize

    109KB

    MD5

    de909cf119eba105f51969b87fcabc3b

    SHA1

    55c013853d3c28aaf1dfb3cdbe4b536c492de2df

    SHA256

    e4f50447c79e3760168026f1673c86bc2987b5d03c1662d0a819c119da008a05

    SHA512

    c99693f6db139dd7ae4fb0564d489f04deb1342166c7c4bb0f6b6d8f7f48f8f73fd80184c428ca728f9aca89939577ad45c1abe99082dbfc301dc48770acb3c1

  • C:\Program Files\Java\jre7\THIRDPARTYLICENSEREADME.txt

    Filesize

    172KB

    MD5

    4d91cfc19ebece594e5352a7ade94825

    SHA1

    039c8fe68e06c0f3ab31bcff8e031e70a1c5b63e

    SHA256

    8b20d3fe2395bc63ebd92416a1a0b8247cdb7f5aecd22c1c04b6268b5f5cad4b

    SHA512

    2aed2ff297badd697d9060db0d93a22a6785ce59552d39631b6f23ea9ab0956379a7fb200d4bac3c9f01cd9e0121399c255d69ed46d1ca4b5b5bdc86048485a2

  • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe

    Filesize

    21KB

    MD5

    fec89e9d2784b4c015fed6f5ae558e08

    SHA1

    581fd9fb59bd42fbe7bd065cf0e6ff6d4d0daba2

    SHA256

    489f2546a4ad1e0e0147d1ca2fd8801785689f67fb850171ccbaa6306a152065

    SHA512

    e3bbf89cc0a955a2819455137e540952c55f417732a596ef314a46d5312b3bed644ac7595f75d3639ebc30e85f0f210dba0ef5b013d1b83bafd2c17a9d685a24

  • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe

    Filesize

    21KB

    MD5

    fec89e9d2784b4c015fed6f5ae558e08

    SHA1

    581fd9fb59bd42fbe7bd065cf0e6ff6d4d0daba2

    SHA256

    489f2546a4ad1e0e0147d1ca2fd8801785689f67fb850171ccbaa6306a152065

    SHA512

    e3bbf89cc0a955a2819455137e540952c55f417732a596ef314a46d5312b3bed644ac7595f75d3639ebc30e85f0f210dba0ef5b013d1b83bafd2c17a9d685a24

  • \Users\Admin\AppData\Local\Temp\WindowsUpdate.exe

    Filesize

    21KB

    MD5

    fec89e9d2784b4c015fed6f5ae558e08

    SHA1

    581fd9fb59bd42fbe7bd065cf0e6ff6d4d0daba2

    SHA256

    489f2546a4ad1e0e0147d1ca2fd8801785689f67fb850171ccbaa6306a152065

    SHA512

    e3bbf89cc0a955a2819455137e540952c55f417732a596ef314a46d5312b3bed644ac7595f75d3639ebc30e85f0f210dba0ef5b013d1b83bafd2c17a9d685a24

  • memory/952-664-0x000000001B120000-0x000000001B1A0000-memory.dmp

    Filesize

    512KB

  • memory/952-195-0x000000001B120000-0x000000001B1A0000-memory.dmp

    Filesize

    512KB

  • memory/952-193-0x00000000008C0000-0x00000000008CC000-memory.dmp

    Filesize

    48KB

  • memory/952-196-0x000000001B120000-0x000000001B1A0000-memory.dmp

    Filesize

    512KB

  • memory/952-667-0x000000001B120000-0x000000001B1A0000-memory.dmp

    Filesize

    512KB

  • memory/1188-77-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-121-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-85-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-83-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-87-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-91-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-89-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-93-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-97-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-95-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-99-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-103-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-101-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-105-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-109-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-107-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-111-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-115-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-113-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-117-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-119-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-79-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-183-0x0000000002030000-0x0000000002031000-memory.dmp

    Filesize

    4KB

  • memory/1188-182-0x00000000021A0000-0x00000000021E0000-memory.dmp

    Filesize

    256KB

  • memory/1188-184-0x00000000021A0000-0x00000000021E0000-memory.dmp

    Filesize

    256KB

  • memory/1188-185-0x00000000021A0000-0x00000000021E0000-memory.dmp

    Filesize

    256KB

  • memory/1188-186-0x0000000002230000-0x000000000223E000-memory.dmp

    Filesize

    56KB

  • memory/1188-81-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-54-0x0000000001F10000-0x0000000001F42000-memory.dmp

    Filesize

    200KB

  • memory/1188-75-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-71-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-194-0x00000000021A0000-0x00000000021E0000-memory.dmp

    Filesize

    256KB

  • memory/1188-73-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-69-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-65-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-663-0x00000000021A0000-0x00000000021E0000-memory.dmp

    Filesize

    256KB

  • memory/1188-67-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-63-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-61-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-59-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-58-0x0000000002000000-0x000000000202B000-memory.dmp

    Filesize

    172KB

  • memory/1188-57-0x00000000021A0000-0x00000000021E0000-memory.dmp

    Filesize

    256KB

  • memory/1188-56-0x00000000021A0000-0x00000000021E0000-memory.dmp

    Filesize

    256KB

  • memory/1188-55-0x0000000002000000-0x0000000002032000-memory.dmp

    Filesize

    200KB