Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    10-05-2024 09:35

General

  • Target

    93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe

  • Size

    30KB

  • MD5

    e3eaf28d0259c1b26429966c9b09a3cc

  • SHA1

    b117999cc232f0faf9ff619dcabe34cea1f4d37e

  • SHA256

    93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f

  • SHA512

    3aa82942d23f9c43810098798fa59fe2c31b0b471bcd1d29329049b2c1089bda018afa306b12f9505f378807d4191fd6780d71b8373bde0457281e36b6b48f3e

  • SSDEEP

    384:ZpB+Sbj6NKsfv6ZRAHNqOL5qDYu7HPFGvDKNrCeJE3WNg3U7a6mdRXRen+PB+Qr3:ZDpsH6ZRwNPTuTPFs45NvGa+PWbj

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    123

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/bQi0vNVC

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    pdf.exe

  • main_folder

    AppData

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/bQi0vNVC

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe
    "C:\Users\Admin\AppData\Local\Temp\93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\pdf.exe'"
      2⤵
      • Creates scheduled task(s)
      PID:2712
    • C:\Users\Admin\AppData\Roaming\pdf.exe
      "C:\Users\Admin\AppData\Roaming\pdf.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\pdf.exe

    Filesize

    30KB

    MD5

    e3eaf28d0259c1b26429966c9b09a3cc

    SHA1

    b117999cc232f0faf9ff619dcabe34cea1f4d37e

    SHA256

    93a09a5ecefc75e6fda23d83deffeffddf544da2103a75422e768d26cfe9ee7f

    SHA512

    3aa82942d23f9c43810098798fa59fe2c31b0b471bcd1d29329049b2c1089bda018afa306b12f9505f378807d4191fd6780d71b8373bde0457281e36b6b48f3e

  • memory/2552-12-0x00000000012F0000-0x00000000012FE000-memory.dmp

    Filesize

    56KB

  • memory/2552-14-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/2552-15-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/2552-16-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/2552-17-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-0-0x000000007495E000-0x000000007495F000-memory.dmp

    Filesize

    4KB

  • memory/2616-1-0x0000000000890000-0x000000000089E000-memory.dmp

    Filesize

    56KB

  • memory/2616-13-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB