Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    30-05-2022 01:07

General

  • Target

    0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e.exe

  • Size

    125KB

  • MD5

    cdcb8d03e87665854688fc9988bf4345

  • SHA1

    d749dfbf1418a8628382f9a808854eb1b36c83d0

  • SHA256

    0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e

  • SHA512

    6a60dbe438c55bfa99c5b4c7f9ed484d6fbc55f325551d0547355f8bb500df6025c8b4e32187f1f321fa13cce4685167f037763c9a93f92f498ddbe91b916619

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    pogiako123

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/NvPAsz1f

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    licenseemu.exe

  • main_folder

    AppData

  • pin_spread

    true

  • sub_folder

    \ tofu\

  • usb_spread

    true

Signatures

  • LimeRAT

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e.exe
    "C:\Users\Admin\AppData\Local\Temp\0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Users\Admin\AppData\Local\Temp\0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e.exe
      "C:\Users\Admin\AppData\Local\Temp\0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e.exe"
      2⤵
      • Loads dropped DLL
      • Maps connected drives based on registry
      • Suspicious use of WriteProcessMemory
      PID:1044
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe'"
        3⤵
        • Creates scheduled task(s)
        PID:848
      • C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe
        "C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:840
        • C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe
          "C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe"
          4⤵
          • Executes dropped EXE
          PID:1740
        • C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe
          "C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Modifies system certificate store
          • Suspicious use of AdjustPrivilegeToken
          PID:1108
        • C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe
          "C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe"
          4⤵
          • Executes dropped EXE
          PID:368

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe

    Filesize

    125KB

    MD5

    cdcb8d03e87665854688fc9988bf4345

    SHA1

    d749dfbf1418a8628382f9a808854eb1b36c83d0

    SHA256

    0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e

    SHA512

    6a60dbe438c55bfa99c5b4c7f9ed484d6fbc55f325551d0547355f8bb500df6025c8b4e32187f1f321fa13cce4685167f037763c9a93f92f498ddbe91b916619

  • C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe

    Filesize

    125KB

    MD5

    cdcb8d03e87665854688fc9988bf4345

    SHA1

    d749dfbf1418a8628382f9a808854eb1b36c83d0

    SHA256

    0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e

    SHA512

    6a60dbe438c55bfa99c5b4c7f9ed484d6fbc55f325551d0547355f8bb500df6025c8b4e32187f1f321fa13cce4685167f037763c9a93f92f498ddbe91b916619

  • C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe

    Filesize

    125KB

    MD5

    cdcb8d03e87665854688fc9988bf4345

    SHA1

    d749dfbf1418a8628382f9a808854eb1b36c83d0

    SHA256

    0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e

    SHA512

    6a60dbe438c55bfa99c5b4c7f9ed484d6fbc55f325551d0547355f8bb500df6025c8b4e32187f1f321fa13cce4685167f037763c9a93f92f498ddbe91b916619

  • C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe

    Filesize

    125KB

    MD5

    cdcb8d03e87665854688fc9988bf4345

    SHA1

    d749dfbf1418a8628382f9a808854eb1b36c83d0

    SHA256

    0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e

    SHA512

    6a60dbe438c55bfa99c5b4c7f9ed484d6fbc55f325551d0547355f8bb500df6025c8b4e32187f1f321fa13cce4685167f037763c9a93f92f498ddbe91b916619

  • C:\Users\Admin\AppData\Roaming\ tofu\licenseemu.exe

    Filesize

    125KB

    MD5

    cdcb8d03e87665854688fc9988bf4345

    SHA1

    d749dfbf1418a8628382f9a808854eb1b36c83d0

    SHA256

    0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e

    SHA512

    6a60dbe438c55bfa99c5b4c7f9ed484d6fbc55f325551d0547355f8bb500df6025c8b4e32187f1f321fa13cce4685167f037763c9a93f92f498ddbe91b916619

  • \Users\Admin\AppData\Roaming\ tofu\licenseemu.exe

    Filesize

    125KB

    MD5

    cdcb8d03e87665854688fc9988bf4345

    SHA1

    d749dfbf1418a8628382f9a808854eb1b36c83d0

    SHA256

    0c0f27f2c4435b5bcf675c56d2d716c6364435d5f2415db8e291326c14da2f9e

    SHA512

    6a60dbe438c55bfa99c5b4c7f9ed484d6fbc55f325551d0547355f8bb500df6025c8b4e32187f1f321fa13cce4685167f037763c9a93f92f498ddbe91b916619

  • memory/840-80-0x0000000000000000-mapping.dmp

  • memory/840-103-0x0000000072E70000-0x00000000741FF000-memory.dmp

    Filesize

    19.6MB

  • memory/840-84-0x0000000000EB0000-0x0000000000ED8000-memory.dmp

    Filesize

    160KB

  • memory/840-113-0x0000000071040000-0x0000000071D5D000-memory.dmp

    Filesize

    13.1MB

  • memory/840-109-0x00000000743E0000-0x0000000074BC0000-memory.dmp

    Filesize

    7.9MB

  • memory/840-105-0x00000000721E0000-0x00000000723B1000-memory.dmp

    Filesize

    1.8MB

  • memory/840-106-0x0000000071D60000-0x0000000071EF4000-memory.dmp

    Filesize

    1.6MB

  • memory/840-104-0x0000000072460000-0x0000000072E70000-memory.dmp

    Filesize

    10.1MB

  • memory/848-77-0x0000000000000000-mapping.dmp

  • memory/1044-65-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1044-61-0x0000000000407D5E-mapping.dmp

  • memory/1044-74-0x00000000743E0000-0x0000000074BC0000-memory.dmp

    Filesize

    7.9MB

  • memory/1044-75-0x00000000721E0000-0x00000000723B1000-memory.dmp

    Filesize

    1.8MB

  • memory/1044-76-0x00000000720B0000-0x00000000721D3000-memory.dmp

    Filesize

    1.1MB

  • memory/1044-66-0x0000000072E70000-0x00000000741FF000-memory.dmp

    Filesize

    19.6MB

  • memory/1044-78-0x0000000075C51000-0x0000000075C53000-memory.dmp

    Filesize

    8KB

  • memory/1044-63-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1044-81-0x0000000071D60000-0x0000000071EF4000-memory.dmp

    Filesize

    1.6MB

  • memory/1044-73-0x0000000072460000-0x0000000072E70000-memory.dmp

    Filesize

    10.1MB

  • memory/1044-60-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1044-59-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1044-85-0x0000000072E70000-0x00000000741FF000-memory.dmp

    Filesize

    19.6MB

  • memory/1044-57-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1044-86-0x0000000072460000-0x0000000072E70000-memory.dmp

    Filesize

    10.1MB

  • memory/1044-87-0x00000000721E0000-0x00000000723B1000-memory.dmp

    Filesize

    1.8MB

  • memory/1044-88-0x00000000720B0000-0x00000000721D3000-memory.dmp

    Filesize

    1.1MB

  • memory/1044-56-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1044-120-0x0000000071040000-0x0000000071D5D000-memory.dmp

    Filesize

    13.1MB

  • memory/1044-94-0x0000000071040000-0x0000000071D5D000-memory.dmp

    Filesize

    13.1MB

  • memory/1108-107-0x0000000072E70000-0x00000000741FF000-memory.dmp

    Filesize

    19.6MB

  • memory/1108-118-0x0000000070770000-0x0000000070EAE000-memory.dmp

    Filesize

    7.2MB

  • memory/1108-125-0x0000000070770000-0x0000000070EAE000-memory.dmp

    Filesize

    7.2MB

  • memory/1108-124-0x0000000070EB0000-0x0000000070FD3000-memory.dmp

    Filesize

    1.1MB

  • memory/1108-123-0x00000000721E0000-0x00000000723B1000-memory.dmp

    Filesize

    1.8MB

  • memory/1108-122-0x0000000072460000-0x0000000072E70000-memory.dmp

    Filesize

    10.1MB

  • memory/1108-121-0x0000000072E70000-0x00000000741FF000-memory.dmp

    Filesize

    19.6MB

  • memory/1108-108-0x0000000072460000-0x0000000072E70000-memory.dmp

    Filesize

    10.1MB

  • memory/1108-119-0x0000000071050000-0x000000007114C000-memory.dmp

    Filesize

    1008KB

  • memory/1108-110-0x00000000743E0000-0x0000000074BC0000-memory.dmp

    Filesize

    7.9MB

  • memory/1108-111-0x00000000721E0000-0x00000000723B1000-memory.dmp

    Filesize

    1.8MB

  • memory/1108-112-0x0000000070EB0000-0x0000000070FD3000-memory.dmp

    Filesize

    1.1MB

  • memory/1108-97-0x0000000000407D5E-mapping.dmp

  • memory/1108-116-0x0000000071150000-0x0000000071E6D000-memory.dmp

    Filesize

    13.1MB

  • memory/1108-115-0x0000000071E70000-0x0000000072004000-memory.dmp

    Filesize

    1.6MB

  • memory/1448-114-0x0000000071320000-0x000000007203D000-memory.dmp

    Filesize

    13.1MB

  • memory/1448-67-0x0000000072E70000-0x00000000741FF000-memory.dmp

    Filesize

    19.6MB

  • memory/1448-69-0x00000000743E0000-0x0000000074BC0000-memory.dmp

    Filesize

    7.9MB

  • memory/1448-55-0x00000000003D0000-0x00000000003DA000-memory.dmp

    Filesize

    40KB

  • memory/1448-54-0x00000000013D0000-0x00000000013F8000-memory.dmp

    Filesize

    160KB

  • memory/1448-68-0x0000000072460000-0x0000000072E70000-memory.dmp

    Filesize

    10.1MB

  • memory/1448-71-0x00000000721E0000-0x00000000723B1000-memory.dmp

    Filesize

    1.8MB

  • memory/1448-70-0x0000000072040000-0x00000000721D4000-memory.dmp

    Filesize

    1.6MB

  • memory/1448-72-0x0000000071320000-0x000000007203D000-memory.dmp

    Filesize

    13.1MB