Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 07:57

General

  • Target

    12cb486e08aceea42a1d3a2ce7eaea69.exe

  • Size

    888KB

  • MD5

    12cb486e08aceea42a1d3a2ce7eaea69

  • SHA1

    00dddccfb0d47c296db963ae91cd9530dde9e61c

  • SHA256

    fbf0388628cb2dfc1457adee1af6c5ca5ba58338f9e80b5fc496a5ead2e8c8ea

  • SHA512

    d4577f9189388e0d74217120ef65233ceeba8b9b71c38f6b1346f2faec8d1df18a47d96f94f9e3eedfb7dbe245b63f0e121dd2ad83aaa03f3fb9982edad193c4

  • SSDEEP

    12288:vRu10z5N3Sy5/dehF8ACG0EJKjS+UPweBMW+FEyXeiksBEc:vQSNiy5/dGoRtjSFPw7JFVS/

Score
10/10

Malware Config

Extracted

Family

limerat

Wallets

bc1qqzgu92ktr9qnz4z8uwxkkndtapv76wn3hxt9j4

Attributes
  • aes_key

    limerat

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/2JryzqpH

  • delay

    3

  • download_payload

    false

  • install

    false

  • install_name

    Wservices.exe

  • main_folder

    Temp

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/2JryzqpH

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

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

  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12cb486e08aceea42a1d3a2ce7eaea69.exe
    "C:\Users\Admin\AppData\Local\Temp\12cb486e08aceea42a1d3a2ce7eaea69.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SCclfRHuzjh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3459.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3060
    • C:\Users\Admin\AppData\Local\Temp\12cb486e08aceea42a1d3a2ce7eaea69.exe
      "C:\Users\Admin\AppData\Local\Temp\12cb486e08aceea42a1d3a2ce7eaea69.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab6442.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar64B2.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\tmp3459.tmp

    Filesize

    1KB

    MD5

    de21a8ef711483f81822ec5ec3a2001f

    SHA1

    df5e309050da423251473520a3d37e7e3accf2b4

    SHA256

    c00bd31bdadb5a6260747635c725d0153ddf0c20f22d3c525a1c4d6250135b4b

    SHA512

    4afc4e9c42f415af9ae16bf1f7af758eec34dcab2c9400bfd7781150eb0e5ee12bc6ad7fef2597cf4a140d5c9292933a461d74ebf7c0d922a0d7498abab4be44

  • memory/1900-27-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1900-63-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1900-28-0x0000000004E30000-0x0000000004E70000-memory.dmp

    Filesize

    256KB

  • memory/1900-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1900-26-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1900-64-0x0000000004E30000-0x0000000004E70000-memory.dmp

    Filesize

    256KB

  • memory/1900-13-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1900-15-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1900-17-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1900-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1900-21-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2856-5-0x0000000004DD0000-0x0000000004E10000-memory.dmp

    Filesize

    256KB

  • memory/2856-25-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2856-7-0x00000000005C0000-0x00000000005CC000-memory.dmp

    Filesize

    48KB

  • memory/2856-6-0x0000000004D00000-0x0000000004D80000-memory.dmp

    Filesize

    512KB

  • memory/2856-0-0x0000000000980000-0x0000000000A64000-memory.dmp

    Filesize

    912KB

  • memory/2856-4-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2856-3-0x00000000003D0000-0x00000000003E2000-memory.dmp

    Filesize

    72KB

  • memory/2856-2-0x0000000004DD0000-0x0000000004E10000-memory.dmp

    Filesize

    256KB

  • memory/2856-1-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB