Resubmissions

13-07-2024 20:10

240713-yxnyysxfqf 8

13-07-2024 19:57

240713-ypcwqavemq 10

General

  • Target

    FanControl_193_net_8_0_Installer.exe

  • Size

    14.3MB

  • Sample

    240713-ypcwqavemq

  • MD5

    287079832c0d4a7966a0d35ee03a9689

  • SHA1

    d69b33d39b8d0d67f4bb5b60f541fe0ea3229568

  • SHA256

    62fc1f42f6741730198bbbee636af31f21f1d994e1ec89a3154c5955a2b41673

  • SHA512

    0cd46c9e43b97ba22bc0ee3666ba408c5cc677511c3e8f2892e4b8ca582886b11a8707679a23fc1e0f39cfdf4f0ecc00ce002181f47ef2ace131e235170ff7e9

  • SSDEEP

    196608:2tH8S4B4hAtkl1czIhgsK+7Gc4uMMywHiBrfkdt4RAiq7Vr5geDQaFGA9iR0vPy9:SHT4BAOIh1K+qc6XF9mDQa8A9ievPNo

Malware Config

Targets

    • Target

      FanControl_193_net_8_0_Installer.exe

    • Size

      14.3MB

    • MD5

      287079832c0d4a7966a0d35ee03a9689

    • SHA1

      d69b33d39b8d0d67f4bb5b60f541fe0ea3229568

    • SHA256

      62fc1f42f6741730198bbbee636af31f21f1d994e1ec89a3154c5955a2b41673

    • SHA512

      0cd46c9e43b97ba22bc0ee3666ba408c5cc677511c3e8f2892e4b8ca582886b11a8707679a23fc1e0f39cfdf4f0ecc00ce002181f47ef2ace131e235170ff7e9

    • SSDEEP

      196608:2tH8S4B4hAtkl1czIhgsK+7Gc4uMMywHiBrfkdt4RAiq7Vr5geDQaFGA9iR0vPy9:SHT4BAOIh1K+qc6XF9mDQa8A9ievPNo

    • Chimera

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

    • Chimera Ransomware Loader DLL

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

    • Renames multiple (3283) files with added filename extension

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

    • Downloads MZ/PE file

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v15

Tasks